mattrobball / mathlib4_fork

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          "body": "Co-authored-by: Andrew Yang <36414270+erdOne@users.noreply.github.com>",
          "is_bot": false,
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          "is_bot": false,
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          "body": "From Toric",
          "is_bot": false,
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          "author_name": "Yaël Dillies",
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          "body": "`Mathlib/Topology/Algebra/RestrictedProduct.lean` is over 1000 lines and we have over 500 lines more of restricted product API in FLT with more to come, so I thought I would split sooner rather than later.",
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          "is_bot": false,
          "headline": "feat: let `gcongr` deal with implications (#25534)",
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          "body": "…s (#25676)\n\nSnippet copied from `build_fork.yml`.",
          "is_bot": false,
          "headline": "chore: limit GITHUB_TOKEN permissions on pull_request_target workflow…",
          "author_name": "Bryan Gin-ge Chen",
          "author_login": "bryangingechen",
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          "body": "…topological group, as an open normal subgroup (#25668)",
          "is_bot": false,
          "headline": "feat: add path component of the identity in a locally path connected …",
          "author_name": "Jireh Loreaux",
          "author_login": "j-loreaux",
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          "body": "Apply the correct quotations to the json fields.",
          "is_bot": false,
          "headline": "fix(CI); autolabel correct json fields (#25661)",
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          "body": "```\r\ntheorem range_le_range_iff_ker_le_ker {U : E →ₗ[𝕜] E} (hT : T.IsSymmetric) (hU : U.IsSymmetric) :\r\n    range T ≤ range U ↔ ker U ≤ ker T := by\r\n```\r\nand the forward direction holds in the infinite dimensional case too.\r\n\r\nUpstreamed from [quantumInfo](https://github.com/Timeroot/Lean-QuantumInfo)\r\n\r\n\n\nCo-authored-by: Alex Meiburg <timeroot.alex@gmail.com>",
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          "body": "…iff_orthogonal_le_orthogonal` and similars (#25240)",
          "is_bot": false,
          "headline": "feat(Analysis/InnerProductSpace/Projection): add lemma `Submodule.le_…",
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          "body": "We no longer rely on `autolabel` to add the label via `gh`, but use a commandline `curl` instead.",
          "is_bot": false,
          "headline": "fix(C): autolabel applies the label using curl (#25641)",
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          "is_bot": false,
          "headline": "doc(MeasureTheory/Integral/Bochner): update links in docstring (#25647)",
          "author_name": "Oliver Butterley",
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          "body": "…iff its closure has finite index (#23312)\n\nLet `u : Fin (rank K) → (𝓞 K)ˣ` be a family of units of a number field `K`. We prove that `isMaxRank u`, that is its regulator is nonzero, iff `closure (Set.range u))` has finite index.",
          "is_bot": false,
          "headline": "feat(NumberField/Units): prove that a family of units is of max rank …",
          "author_name": "Xavier Roblot",
          "author_login": "xroblot",
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          "body": "Use the new definition `analyticOrderAt` to provide a version of `AnalyticOnNhd.codiscrete_setOf_analyticOrderAt_eq_zero_or_top` that is easier to use, since it avoids hassle with subtypes and subsets. Provide easy-to-use special cases about the discreteness of the zero locus of analytic functions.",
          "is_bot": false,
          "headline": "feat: improve API for isolated zeros of analytic functions (#25643)",
          "author_name": "Stefan Kebekus",
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          "oid": "39d8416ae1e1083477f7546f1fd10e460ad37936",
          "body": "Given a quiver with decidable equality on its vertices and arrows, we construct an instance of decidable equality for `Quiver.Path`. We proceed through a recursion on the length of the path utilizing an intermediate subtype of uniformly bounded paths `Quiver.Path.BoundedPath`.\n\nThis was motivated by doing computations on small quivers with Lean.\n\n\n\nCo-authored-by: Matthew Robert Ballard <100034030+mattrobball@users.noreply.github.com>",
          "is_bot": false,
          "headline": "feat: decidable equality for `Quiver.Path` (#25623)",
          "author_name": "Matthew Robert Ballard",
          "author_login": "mattrobball",
          "committed_at": "2025-06-10T10:01:48Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "5db2d4df25746b0b19b588e0d6be79ed4da95278",
          "body": "… (#22834)\n\nGiven a parametrized adjunction `adj₂ : F ⊣₂ G` between bifunctors `F : C₁ ⥤ C₂ ⥤ C₃` and `G : C₁ᵒᵖ ⥤ C₃ ⥤ C₂`, three maps `f₁ : X₁ ⟶ Y₁` in `C₁`, `f₂ : X₂ ⟶ Y₂` in `C₂`, and `f₃ : X₃ ⟶ Y₃` in `C₃`, this PR shows that `f₃` has the right lifting property with respect to the \"inclusion\" of\n[…]\nelia Livingston <101damnations@github.com>\nCo-authored-by: JovanGerb <jovan.gerbscheid@gmail.com>\nCo-authored-by: Jireh Loreaux <loreaujy@gmail.com>\nCo-authored-by: Oliver Nash <github@olivernash.org>",
          "is_bot": false,
          "headline": "feat(CategoryTheory): lifting properties and parametrized adjunctions…",
          "author_name": "Joël Riou",
          "author_login": "plp127",
          "committed_at": "2025-06-10T09:42:12Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "855ce5ce821cc42e2147ea69c03c212c672bca3b",
          "body": null,
          "is_bot": false,
          "headline": "ci: reporting success should include post build checks (#25642)",
          "author_name": "Johan Commelin",
          "author_login": "jcommelin",
          "committed_at": "2025-06-10T08:10:57Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "7c2e3ba444cfc1c16f84eaec71e75b70e1e1839b",
          "body": null,
          "is_bot": false,
          "headline": "feat: add AlgHom.natCard_of_splits (#25253)",
          "author_name": "Ruben Van de Velde",
          "author_login": "Ruben-VandeVelde",
          "committed_at": "2025-06-10T07:34:29Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "0e832cb41d406dc3c36bccead1fb0f1015f53ca7",
          "body": "This lemma loops with `IsMon_Hom.one_hom` applied to `(λ_ N.X).inv`, as evidenced by the following trace:\r\n```\r\n[Meta.Tactic.simp.rewrite] Mon_Class.tensorObj.one_def:1000:\r\n      Mon_Class.one\r\n    ==>\r\n      (λ_ (𝟙_ C)).inv ≫ (Mon_Class.one ⊗ Mon_Class.one)\r\n[Meta.Tactic.simp.rewrite] id_tensorHom\n[…]\n the equivalent of `map_one` while `one_def` is not fine since it is the equivalent of `Algebra.TensorProduct.one_def`.\r\n\r\nDo the same thing for the `mul` lemmas and the `Mon_` versions.\r\n\r\nFrom Toric",
          "is_bot": false,
          "headline": "chore(CategoryTheory): unsimp `Mon_Class.tensorObj.one_def` (#25601)",
          "author_name": "Yaël Dillies",
          "author_login": "YaelDillies",
          "committed_at": "2025-06-10T06:49:57Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "fe12b92d4f441acfac152e00848988e774befe5c",
          "body": "We define a class `HasFibers p` for a given functor `p : 𝒳 ⥤ 𝒮`. The point of this is to give the user the option to supply their own fiber categories, as often the standard fibers will not be definitionally the same as the (equivalent) categories one is interested in.\r\n\r\nCo-authored-by: Paul Lezeau <paul.lezeau@gmail.com>",
          "is_bot": false,
          "headline": "feat(FiberedCategory/HasFibers): define HasFibers class (#13611)",
          "author_name": "Calle Sönne",
          "author_login": "callesonne",
          "committed_at": "2025-06-10T06:43:25Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "05be7e6bf7366c9e3d233917e5fdb0ce5f127b1c",
          "body": "This PR removes the `Lean.githash` component of `cache`s hashing function.\r\n\r\nThis enables running `cache` compiled on one toolchain against a checkout on another toolchain.\r\n\r\nHowever, this (as advertised in the deleted comment) will break CI for the `lean-pr-testing-NNNN` toolchains. This is not a\n[…]\nthese is presumed broken anyway as a result of recent CI upgrades. We will fix this shortly by tagging the `lean-pr-testing-NNNN` toolchains with an embedded hash, e.g. `lean-pr-testing-1234-ab57ce3`.",
          "is_bot": false,
          "headline": "feat: don't use `Lean.githash` in `cache` hashing (#25639)",
          "author_name": "Kim Morrison",
          "author_login": "kim-em",
          "committed_at": "2025-06-10T05:54:11Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "30b4d6e87eaaa93450a25e8ad795bf3596275589",
          "body": "Discovered while investigating why the bot has been failing recently: this will likely not fix the bot, but should be updated anyway!",
          "is_bot": false,
          "headline": "chore: use non-deprecated function in bench_summary (#25495)",
          "author_name": "damiano",
          "author_login": "adomani",
          "committed_at": "2025-06-09T23:58:24Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "3e523a149fa63dde0651c6b3272c1737b37edc6c",
          "body": "…nneg_eigenvalues` (#25493)",
          "is_bot": false,
          "headline": "feat(Analysis/InnerProductSpace/Positive): add theorem `IsPositive.no…",
          "author_name": "Iván Renison",
          "author_login": "IvanRenison",
          "committed_at": "2025-06-09T23:51:33Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "ea33796baf279603f94007e934e2245c4a0d27a4",
          "body": null,
          "is_bot": false,
          "headline": "fix: add missing simps projections for ContinuousAddEquiv (#24892)",
          "author_name": "Ruben Van de Velde",
          "author_login": "Ruben-VandeVelde",
          "committed_at": "2025-06-09T23:04:40Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "4bc3282320af58a0d05d3d2e5076b8926bfe4457",
          "body": "This PR updates the Mathlib dependencies.",
          "is_bot": true,
          "headline": "chore: update Mathlib dependencies 2025-06-09 (#25627)",
          "author_name": "mathlib4-update-dependencies-bot",
          "author_login": "mathlib-bors[bot]",
          "committed_at": "2025-06-09T20:54:46Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "7b3a5561f0803e0f4d5f38ab0df6bd6f0a288fff",
          "body": "Continuation from #18621.\r\n\r\nFrom the ExponentialRamsey project.",
          "is_bot": false,
          "headline": "feat(SpecialFunctions/Log): more continuity and limits for logb (#18912)",
          "author_name": "Bhavik Mehta",
          "author_login": "b-mehta",
          "committed_at": "2025-06-09T18:47:13Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "e99fde22b3578f46d1e7cdced350239463c1d914",
          "body": "If `master` is on a different toolchain than the PR, then its `mk_all` doesn't work; we fix that by just running the PR branch's version of `mk_all` inside `landrun`.",
          "is_bot": false,
          "headline": "fix: run pr branch version of mk_all (#25624)",
          "author_name": "Bryan Gin-ge Chen",
          "author_login": "bryangingechen",
          "committed_at": "2025-06-09T17:35:50Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "3c689580a42d979448dfe65b37ce9e858d993f8f",
          "body": "Removes extraneous lemmas from `Ring/Hom/Basic`.\r\n\r\n\n\nCo-authored-by: Wrenna Robson <wren.robson@gmail.com>",
          "is_bot": false,
          "headline": "fix: Remove lemmas from `Ring/Hom/Basic` (#25447)",
          "author_name": "Wrenna Robson",
          "author_login": "wrenna-robson",
          "committed_at": "2025-06-09T16:45:50Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "f8584e63b902a6965d4eddbe2ff6f3b3003381c3",
          "body": "Fill in simple lemmas as convenient special cases with the right syntactic equalities for rewrites.",
          "is_bot": false,
          "headline": "feat(Finset/SymmDiff): add additional api lemmas (#25553)",
          "author_name": "Bhavik Mehta",
          "author_login": "b-mehta",
          "committed_at": "2025-06-09T16:08:09Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "4141bd5ee664edd57dccd75a2b72caecbb922839",
          "body": "… is equivalent with dirac measure evaluation (#25396)\n\nMathlib has `mem_ae_dirac_iff` that provides `s ∈ ae (dirac a) ↔ a ∈ s`, which expands to `(dirac a) sᶜ = 0 ↔ a ∈ s`. A more natural statement (arguably) is `(dirac a) s = 1 ↔ a ∈ s`.\r\n\r\nThis feature adds `(dirac a) s = 1 ↔ a ∈ s` and a compani\n[…]\ns merged.\r\n\r\n(Note, the proofs depend on `dirac` being a `ProbabilityMeasure`, hence why the theorems are where they are in Dirac.lean.)\r\n\r\n\n\nCo-authored-by: bwehlin <bwehlin@users.noreply.github.com>",
          "is_bot": false,
          "headline": "feat (MeasureTheory/Measure/Dirac): a point being in a measurable set…",
          "author_name": "bwehlin",
          "author_login": "bwehlin",
          "committed_at": "2025-06-09T15:56:27Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "d24f7121ba1ee50e9df804c212133604660a9436",
          "body": "…fferential (#25589)\n\nCo-authored-by: Andrew Yang <36414270+erdOne@users.noreply.github.com>",
          "is_bot": false,
          "headline": "feat(RingTheory/DedekindDomain): unramified primes does not divide di…",
          "author_name": "Andrew Yang",
          "author_login": "erdOne",
          "committed_at": "2025-06-09T15:24:34Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "d9ad6f7f5c6f83c18419a1cab4d95f8fc1462a38",
          "body": "…hapes.AbelianImages): minimize hypotheses (#25185)\n\nMinimize the hypotheses needed for the definition of `Abelian.image`, `Abelian.Coimage` and the definitions associated to them, as well as for `PreservesImage.iso` and `PreservesCoimage.iso` (the isomorphisms expressing that a functor commutes wit\n[…]\nHasKernels`/`HasCokernels` instances by instances involving only the precise kernels/cokernels that are needed.\r\n(This is useful for one of my projects, where I don't yet know that all kernels exist.)",
          "is_bot": false,
          "headline": "feat(CategoryTheory.Abelian.Images, CategoryTheory.Limits.Preserves.S…",
          "author_name": "smorel394",
          "author_login": null,
          "committed_at": "2025-06-09T15:16:38Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "51f395a11e621d783e280335ceb1a5c6c6248014",
          "body": "… (#25443)\n\nI am going to be adding some more summability results for Eisenstein series (for example for E2), so it makes sence for this to all be in a separate file.",
          "is_bot": false,
          "headline": "chore : Split summability results for Eisenstein series into own file…",
          "author_name": "Chris Birkbeck",
          "author_login": "CBirkbeck",
          "committed_at": "2025-06-09T13:00:04Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "c9a191be40d6f147aa466f25016fdcd251242aab",
          "body": "…NNReal`-linear functionals (#24265)\n\nprove the Riesz-Markov-Kakutani theorem for `NNReal`-linear functional, by reducing the statement to the `Real`-version, but for `lintegral` instead of `integral`.\r\n\r\nThe bulk of the PR is the definitions and lemmas to go back and forth between `Real` and `NNReal` linear functionals.\r\n\r\nMotivation: this is the version first aimed at, perhaps for applications in probability.\n\nCo-authored-by: Yoh Tanimoto <hoyt@jcom.home.ne.jp>",
          "is_bot": false,
          "headline": "feat(MeasureTheory/Integral): the Riesz-Markov-Kakutani theorem for `…",
          "author_name": "Yoh Tanimoto",
          "author_login": "yoh-tanimoto",
          "committed_at": "2025-06-09T12:09:13Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "eb04d3dfad4e7f811d3fd6c85d552dfd5a8274ba",
          "body": "…25413)\n\nThis fixes the instances diamonds in the `Rat` and `NNRat` actions, and adds lemmas about `{Nat,Int,NNRat,NRat}.cast`and `of{Nat,Scientific}`.\r\n\r\nThere is no motivation here beyond cleaning up diamonds.",
          "is_bot": false,
          "headline": "fix(HahnSeries): solve `SMul Rat` diamonds, and lemmas about casts (#…",
          "author_name": "Eric Wieser",
          "author_login": "eric-wieser",
          "committed_at": "2025-06-09T11:40:12Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "d8fba24f987c655793fe3d1294e4fd2d68925d82",
          "body": "This PR updates the Mathlib dependencies.",
          "is_bot": true,
          "headline": "chore: update Mathlib dependencies 2025-06-09 (#25618)",
          "author_name": "mathlib4-update-dependencies-bot",
          "author_login": "mathlib-bors[bot]",
          "committed_at": "2025-06-09T10:59:15Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "210d1c312c648203a35b599192b20e1013e5116f",
          "body": "for `OneHom.mulSingle` and `MonoidHom.mulSingle`.",
          "is_bot": false,
          "headline": "feat(Algebra/Group/Pi): add injectivity and coe lemmas (#25525)",
          "author_name": "Peiran Wu",
          "author_login": "wupr",
          "committed_at": "2025-06-09T10:18:17Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "fe653fb930c0c9c876267b109287322a055e12a0",
          "body": null,
          "is_bot": false,
          "headline": "feat(Data/Fin): `Fin.castLE` on the result of a cast from `Nat` (#25083)",
          "author_name": "Jakob von Raumer",
          "author_login": "javra",
          "committed_at": "2025-06-09T09:08:14Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "64678d94d57d7470ed8e72c981e32558f043033e",
          "body": "If `μ` is gaussian, then `μ.map (fun x ↦ x + c)` is gaussian as well.\r\nThe same is true for `c + x`, `x - c`, `-x` and `c - x` instead of `x + c`.",
          "is_bot": false,
          "headline": "feat(Probability): translations of gaussians are gaussian (#25532)",
          "author_name": "Rémy Degenne",
          "author_login": "RemyDegenne",
          "committed_at": "2025-06-09T09:00:45Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "b2a691d28e92758e26984b1db78d9e6539a86d06",
          "body": "The third of 3 PRs refactoring group cohomology to use the bar resolution. Given a comm ring `k` and a group `G`, this is the projective resolution of `k` as a trivial `G`-representation whose `n`th object is \r\n`Gⁿ →₀ k[G]` with representation defined pointwise by the left regular representation on \n[…]\nc. We carry the exactness properties across this isomorphism to conclude the bar resolution is a projective resolution too, in `Rep.barResolution`.\r\n\r\n\n\nCo-authored-by: 101damnations <al3717@ic.ac.uk>",
          "is_bot": false,
          "headline": "feat(RepresentationTheory/*): add the bar resolution (#21738)",
          "author_name": "Amelia Livingston",
          "author_login": null,
          "committed_at": "2025-06-09T08:15:24Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "7deb334c5f5104f4edad1a6396dd02a8cddefb86",
          "body": null,
          "is_bot": false,
          "headline": "chore: deprime `induction` in `GroupTheory` (#25353)",
          "author_name": "Jeremy Tan Jie Rui",
          "author_login": "Parcly-Taxel",
          "committed_at": "2025-06-09T05:02:15Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "9168cb3c598586220481137e6e99332eea930727",
          "body": "Factored out from #22420",
          "is_bot": false,
          "headline": "feat(GroupWithZero): monoid with zero homs to (co)products (#25466)",
          "author_name": "Yakov Pechersky",
          "author_login": "pechersky",
          "committed_at": "2025-06-09T04:25:39Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "18fc2693a603f23ffda0e45a2983ccf374aa1323",
          "body": "Currently bors requires status checks named \"Build\" and \"Lint Style\" to succeed before it will merge a PR; however, for PRs from forks, the status checks are named \"Build (fork)\" and \"Lint Style (fork)\". To solve this, we create a no-op job downstream from the two jobs with the name \"CI Success\" and\n[…]\nmit, as opposed to a job in a workflow triggered by `pull_request_target` or `push` etc. In principle we could have done some stuff with the GitHub API to fix this, but the approach here seems easier.",
          "is_bot": false,
          "headline": "chore: let bors merge PRs from forks (#25614)",
          "author_name": "Bryan Gin-ge Chen",
          "author_login": "bryangingechen",
          "committed_at": "2025-06-09T04:10:34Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "02aed454ae7880b5ade42e22bb929144df53f386",
          "body": "Currently, the \"Style Lint (fork)\" job is triggered even for PRs from branches in this repo. We add the fork conditional to all jobs in order to fix this.",
          "is_bot": false,
          "headline": "fix: only run jobs in the fork workflow for PRs from forks (#25615)",
          "author_name": "Bryan Gin-ge Chen",
          "author_login": "bryangingechen",
          "committed_at": "2025-06-09T03:42:04Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "fb2feae156bb82f905351998a7a5a4db17ce7b04",
          "body": "This PR updates the Mathlib dependencies.",
          "is_bot": true,
          "headline": "chore: update Mathlib dependencies 2025-06-09 (#25610)",
          "author_name": "mathlib4-update-dependencies-bot",
          "author_login": "mathlib-bors[bot]",
          "committed_at": "2025-06-09T02:22:49Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "8b8fe2fa631658e55895b284747a997a249d3599",
          "body": null,
          "is_bot": false,
          "headline": "fix(CI): prevent another emoji reaction from forks (#25598)",
          "author_name": "damiano",
          "author_login": "adomani",
          "committed_at": "2025-06-08T18:48:14Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "1150bf562665cebc5bbf10fdf12f5a293a703f56",
          "body": "…r` (#24257)\n\nThis PR generalizes `PFunctor` to have potentially different universe levels for its `A` and `B` fields. This is to aid with my formalization attempt (with @dtumad ) of poly functors [here](https://github.com/dtumad/VCV-io/blob/master/ToMathlib/PFunctor/Basic.lean) (in order to model interactive systems in general, and cryptographic protocols in particular).\r\n\r\nThere is no plan yet to need `MvPFunctor`, so I do not generalize universe levels of that for now.",
          "is_bot": false,
          "headline": "feat(Data/PFunctor/Univariate): Generalize universe level in `PFuncto…",
          "author_name": "Quang Dao",
          "author_login": "quangvdao",
          "committed_at": "2025-06-08T17:42:39Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "e1cc5c558996c408490de4cff6dc428c3b7eadbb",
          "body": "This is a CI action that only runs on commits to master, which is why I had missed it earlier.",
          "is_bot": false,
          "headline": "fix(CI): yet another action that should not run from forks (#25594)",
          "author_name": "damiano",
          "author_login": "adomani",
          "committed_at": "2025-06-08T16:31:22Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "a4ec7db3014165e418ef1f634cfd5afbed2ce04f",
          "body": "…r` (#25569)\n\nWe add `Functor.toPseudofunctor` which takes a functor between categories and returns the corresponding pseudofunctor between locally discrete categories. Previously, `Functor.toPseudofunctor` took a functor from a category to a _strict_ bicategory, and returned the corresponding pseudofunctor. Since this new construction works for all functors, I suggest that this takes the name `Functor.toPseudofunctor` and the latter gets renamed to `Functor.toPseudofunctor'`.",
          "is_bot": false,
          "headline": "feat(Bicategory/Functor/LocallyDiscrete): add `Functor.toPseudofuncto…",
          "author_name": "Calle Sönne",
          "author_login": "callesonne",
          "committed_at": "2025-06-08T16:23:17Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "d1c754c26e7bb83ba1f88f9a51e3c536722c769f",
          "body": "…leGraph` (#22085)",
          "is_bot": false,
          "headline": "feat(Combinatorics/SimpleGraph): introduce `ConnectedComponent.toSimp…",
          "author_name": "Iván Renison",
          "author_login": "IvanRenison",
          "committed_at": "2025-06-08T14:55:42Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "b84acde320e524a278d2f3f18816bb93d71d4fc0",
          "body": "These are the remaining actions using a non-`secrets.GITHUB_TOKEN` token.  Hopefully this covers most, if not all, the reamining regular failures for actions on forks.\r\n\r\nThe previous PR with a similar effect was #25590.",
          "is_bot": false,
          "headline": "fix(CI): avoid running more mathlib4 only actions in forks (#25592)",
          "author_name": "damiano",
          "author_login": "adomani",
          "committed_at": "2025-06-08T14:49:54Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "80b79be68fca5e62b2b224170595514b336b9e07",
          "body": "Add some congr lemmas and a locally finset range lemma.",
          "is_bot": false,
          "headline": "feat(Topology/Algebra/InfiniteSum/UniformOn): add congr lemmas (#25446)",
          "author_name": "Chris Birkbeck",
          "author_login": "CBirkbeck",
          "committed_at": "2025-06-08T14:36:36Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "32a7b4c048bda800ae6e17cc5984446ba1fff28e",
          "body": "These are a few of the actions that report failures.",
          "is_bot": false,
          "headline": "fix(CI): avoid running mathlib4 only actions in forks (#25590)",
          "author_name": "damiano",
          "author_login": "adomani",
          "committed_at": "2025-06-08T14:09:49Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
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          "oid": "9dbb163e576423ee953f0ee6f759f63714339162",
          "body": "…#25367)\n\nThis is required to prove that A_n is simple iff n = 3 or 5 ≤ n: #23555",
          "is_bot": false,
          "headline": "feat: `Subgroup ↥(H : Subgroup G) ≃o { H' : Subgroup G // H' ≤ H }` (…",
          "author_name": "Miyahara Kō",
          "author_login": "Komyyy",
          "committed_at": "2025-06-08T14:09:48Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "284e9184e3c66df8c1ab46e85f2cbf4e6b6c3e68",
          "body": "…lity (#25576)\n\nAdd three simple lemmas and golf a fourth.",
          "is_bot": false,
          "headline": "feat(SetTheory/Cardinal): relate nonemptiness of a set to its cardina…",
          "author_name": "Bhavik Mehta",
          "author_login": "b-mehta",
          "committed_at": "2025-06-08T11:29:55Z",
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          "body": "The docstring for `Matrix.toLin'` references `Matrix.vecMulLin`, which does not exist. This PR changes the docstring to correctly reference `Matrix.mulVecLin` instead.",
          "is_bot": false,
          "headline": "docs(LinearAlgebra/Matrix/ToLin): fix docstring (#25571)",
          "author_name": "plp127",
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          "committed_at": "2025-06-08T11:11:49Z",
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          "oid": "0830de5843a83128a28a8ec3aa90ec9c572d61c9",
          "body": "…#25581)\n\nLimit the `Dependent issues` actions to `leanprover-community/mathlib4`.",
          "is_bot": false,
          "headline": "fix(CI): run dependent issues only on leanprover-community/mathlib4 (…",
          "author_name": "damiano",
          "author_login": "adomani",
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          "body": "Replace `measurability` by `fun_prop` where it made a visible difference in elaboration time.",
          "is_bot": false,
          "headline": "perf: replace `measurability` by `fun_prop` (#25577)",
          "author_name": "plp127",
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          "oid": "c38c7fde32656c7fa1b2471ed1ae0d50a600f089",
          "body": "Another PR trying to fix the PR summary from forks.\r\n\r\nWithout this change, the [error](https://github.com/leanprover-community/mathlib4/actions/runs/15494880040/job/43629089332?pr=25540) was `error: pathspec 'adomani/fork_test' did not match any file(s) known to git`.",
          "is_bot": false,
          "headline": "fix(PR summary): use hash instead of branch name (#25544)",
          "author_name": "damiano",
          "author_login": "adomani",
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          "body": "…angle_add_angle_eq_pi` (#25559)\n\nIt turns out that `angle_add_angle_add_angle_eq_pi` can be proved with one condition less :)",
          "is_bot": false,
          "headline": "feat(Geometry/Euclidean/Triangle): remove hypothesis from `angle_add_…",
          "author_name": "JovanGerb",
          "author_login": "JovanGerb",
          "committed_at": "2025-06-07T22:05:57Z",
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          "oid": "f4848f31e6409cadd5955625c2cf7bef8d6c026d",
          "body": "This PR fixes the naming and statement of transitivity lemmas for `≤` and `<`.\r\n\r\nIt deprecates `gt_of_ge_of_gt` and `gt_of_gt_of_ge`\r\n\r\nThe main changes are in `Mathlib.Order.Basic` and `Mathlib.Order.Defs.PartialOrder`",
          "is_bot": false,
          "headline": "chore(Order): use new ge/gt naming convention - Part 4 (#25572)",
          "author_name": "JovanGerb",
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          "oid": "6f872f1d3300e5877cb0874ea47000ab0911f04f",
          "body": "Using this we can do things like:\r\n```lean\r\nattribute [simp] Matrix.one_fin_two\r\n#check !![2, -3; -1, 2].toPerfectPairing ⟨!![2, 3; 1, 2], by simp, by simp⟩ -- Works\r\n```",
          "is_bot": false,
          "headline": "feat: an invertible matrix as a perfect pairing (#25477)",
          "author_name": "Oliver Nash",
          "author_login": "ocfnash",
          "committed_at": "2025-06-07T19:11:47Z",
          "body_truncated": false,
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          "body": "This PR renames 4 more lemmas in Order.Basic.",
          "is_bot": false,
          "headline": "chore(Order): use new ge/gt naming convention - Part 3 (#25566)",
          "author_name": "JovanGerb",
          "author_login": "JovanGerb",
          "committed_at": "2025-06-07T18:15:56Z",
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          "oid": "f886ece749d2584376532f07d8ea74fc19f36d44",
          "body": "This PR moves some lemmas in Order.Basic to the correct place.\r\n\r\nSome of the lemmas now only assume `LE` or `LT` instead of `Preorder`.\r\n\r\nFor example `le_of_le_of_eq` and `le_of_le_of_eq'` now have the same hypothesis.",
          "is_bot": false,
          "headline": "chore(Order/Basic): move lemmas to the correct section (#25568)",
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          "author_login": "JovanGerb",
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          "body": null,
          "is_bot": false,
          "headline": "chore(Order): deprecate `gt_irrefl` (#25567)",
          "author_name": "JovanGerb",
          "author_login": "JovanGerb",
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          "body_truncated": false,
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        {
          "oid": "cb99f5a52ecf7a1ca248bef8c42ade620024df9a",
          "body": "I have decided that depriming one folder (or part of a folder) at a time is the way to go.",
          "is_bot": false,
          "headline": "chore: deprime `induction` in `Archive` and `SetTheory` (#25512)",
          "author_name": "Jeremy Tan Jie Rui",
          "author_login": "Parcly-Taxel",
          "committed_at": "2025-06-07T16:11:32Z",
          "body_truncated": false,
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          "oid": "6c6e0180f0d3dc9f47f85532f48d268d8656789a",
          "body": "This PR renames \r\nLT.lt.not_le -> LT.lt.not_ge\r\nLE.le.not_lt -> LE.le.not_gt\r\nLT.lt.not_lt -> LT.lt.not_gt",
          "is_bot": false,
          "headline": "chore(Order): use new ge/gt naming convention - Part 2 (#25560)",
          "author_name": "JovanGerb",
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          "body": null,
          "is_bot": false,
          "headline": "feat: the Gamma function is meromorphic (#25538)",
          "author_name": "Miyahara Kō",
          "author_login": "Komyyy",
          "committed_at": "2025-06-07T15:38:51Z",
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          "oid": "c9603c6e6bf74d4a5b31da8aaaa69704dc0bf662",
          "body": "Each of these lemmas has been upstreamed to core, and the deprecations are in favour of exactly identical statements.\r\n\r\nRenames:\r\n- `Nat.mul_right_eq_self_iff` -> `Nat.mul_eq_left`\r\n- `Nat.mul_left_eq_self_iff` -> `Nat.mul_eq_right`\r\n- `Nat.eq_zero_of_double_le` -> `Nat.eq_zero_of_two_mul_le`\r\n- `N\n[…]\nat.div_le_of_le_mul`\r\n- `Nat.div_le_self'` -> `Nat.div_le_self`\r\n\r\nBest reviewed commit-by-commit.\r\n\r\n[![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/from-referrer/)",
          "is_bot": false,
          "headline": "chore(Nat): deprecate lemmas which are now in core (#25494)",
          "author_name": "Bhavik Mehta",
          "author_login": "b-mehta",
          "committed_at": "2025-06-07T14:10:35Z",
          "body_truncated": true,
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        },
        {
          "oid": "dcd738d0b6bab40bc1ab68d39472e77cbedf9219",
          "body": "The main lemma is `t35Space_iff_isEmbedding_stoneCechUnit`.\r\nThis property is stated in [Wikipedia](https://en.wikipedia.org/wiki/Stone–Čech_compactification#Universal_property_and_functoriality).",
          "is_bot": false,
          "headline": "feat: tychonoff space ↔ embedded on Stone-Čech compactification (#24909)",
          "author_name": "Miyahara Kō",
          "author_login": "Komyyy",
          "committed_at": "2025-06-07T14:03:54Z",
          "body_truncated": false,
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        {
          "oid": "3433dea2c282523c59a6fb398f9250c40714f34c",
          "body": "Add three `iff` lemmas which are often useful to compare cardinalities.",
          "is_bot": false,
          "headline": "feat(Finset/Card): relate cardinality of `s \\ t` with `t \\ s` (#25554)",
          "author_name": "Bhavik Mehta",
          "author_login": "b-mehta",
          "committed_at": "2025-06-07T13:26:16Z",
          "body_truncated": false,
          "is_coding_agent": false
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          "oid": "bf1171271afab2055ee6dd577146d47ccfc087f9",
          "body": "…red additive monoids (#23888)",
          "is_bot": false,
          "headline": "feat: properties of graded rings indexed by canonically linearly orde…",
          "author_name": "Jireh Loreaux",
          "author_login": "j-loreaux",
          "committed_at": "2025-06-07T12:40:59Z",
          "body_truncated": false,
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        {
          "oid": "b5368c7d48612974c32bab5cebc280f2517b33be",
          "body": "... by populating the `nsmul` and `zsmul` fields using the existing `SMul` instances (which must be moved earlier).\r\n\r\nThis also improves the defeq of `sub`.",
          "is_bot": false,
          "headline": "fix(HahnSeries): solve `SMul` diamonds (#25408)",
          "author_name": "Eric Wieser",
          "author_login": "eric-wieser",
          "committed_at": "2025-06-07T11:09:34Z",
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          "oid": "bddb146ad166d576305d50841d8d0899052aeb77",
          "body": "…#24982)\n\nThe bijection `mateEquiv` is essentially redefined as a composition of two bijections. The proofs are a little bit simpler as the constructions of each of these two bijections is an easier task. This also allows to prove a lemma `mateEquiv_eq_iff` which shall be used in the construction of the 2-category of adjunctions in a bicategory #13539.",
          "is_bot": false,
          "headline": "refactor(CategoryTheory/Bicategory/Adjunction): definition of mates (…",
          "author_name": "Joël Riou",
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          "committed_at": "2025-06-07T10:03:42Z",
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        {
          "oid": "827b149f0da56b6db07f406f48f9243693a0529d",
          "body": "This is the first PR in a sequence of PRs to apply the new naming convention for order lemmas.\r\n\r\nThis PR changes some lemmas that have multiple occurences of `lt` or `le` in their name, and where `<` and `≤` have their arguments swapped in some places. Then those occurrences of `<` and `≤` are refe\n[…]\nriends, \r\n\r\nThe first commit is an automatic replacement of lemma names. The second commit adds deprecations for the renamed lemmas. Later commits are manual fixes. This should make it easy to review.",
          "is_bot": false,
          "headline": "chore(Order): use new `ge`/`gt` naming convention - Part 1 (#24775)",
          "author_name": "JovanGerb",
          "author_login": "JovanGerb",
          "committed_at": "2025-06-07T10:03:41Z",
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          "oid": "e9d22cd4be1e303da73aa8c853602cd8e2334651",
          "body": "…25546)\n\nThe second of 3 PRs refactoring group cohomology to use the bar resolution. Given a comm ring `k` and a group `G`, this is the projective resolution of `k` as a trivial `G`-representation whose `n`th object is \r\n`Gⁿ →₀ k[G]` with representation defined pointwise by the left regular represen\n[…]\nrties across this isomorphism to conclude the bar resolution is a projective resolution too, in `Rep.barResolution`.\r\n\r\nIn this PR we factor out some material from #21738, to make it easier to review.",
          "is_bot": false,
          "headline": "feat(RepresentationTheory/*): prerequisites for the bar resolution (#…",
          "author_name": "Amelia Livingston",
          "author_login": null,
          "committed_at": "2025-06-07T09:38:08Z",
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          "oid": "bd7f0d6243fa265cd3251a5046111248e07ed421",
          "body": "This also renames `SummableFamily.single` to `SummableFamily.const` (matching `Function.const`) to make room for `SummableFamily.single` (matching `Pi.single`).\r\n\r\nMoves:\r\n- `SummableFamily.single` -> `SummableFamily.const`",
          "is_bot": false,
          "headline": "feat(HahnSeries): `single_inv` and `single_div_single` (#25414)",
          "author_name": "Eric Wieser",
          "author_login": "eric-wieser",
          "committed_at": "2025-06-07T08:13:22Z",
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          "oid": "8ee00f5b77b5fe306cc575caaf7e0b699ac0ee45",
          "body": "…tionIdx`. (#25498)",
          "is_bot": false,
          "headline": "feat: connection between `Algebra.IsUnramifiedAt` and `Ideal.ramifica…",
          "author_name": "Andrew Yang",
          "author_login": "erdOne",
          "committed_at": "2025-06-07T07:26:46Z",
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          "oid": "a8c0ebf803b8e5745a6319d1e88215b478b089bf",
          "body": "The Path API allows for proofs that speak about a particular path through an NFA, with constructions that depend on the specific states the path passes through, rather than just the abstract existence of such a path, which is what `evalFrom` computes.\r\n\r\nThis is the part of the API that proved uncontroversial, extracted out of #23929.\r\n\r\n\r\n\n\nCo-authored-by: Maja Kądziołka <maya@compilercrim.es>",
          "is_bot": false,
          "headline": "feat(Computability/NFA): add a Path API (#25321)",
          "author_name": "Maja Kądziołka",
          "author_login": "meithecatte",
          "committed_at": "2025-06-07T07:26:45Z",
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          "body": null,
          "is_bot": false,
          "headline": "feat(overview.yml): mention Turing degrees (#25061)",
          "author_name": "Tanner Duve",
          "author_login": "tannerduve",
          "committed_at": "2025-06-07T07:26:44Z",
          "body_truncated": false,
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          "oid": "5b64b24ed2af77e69f26d7f2f4b76f2baada71bd",
          "body": "The TODO on equivalence between regular expressions and DFAs seems to be particularly appealing to new contributors, having spawned multiple competing PRs working towards that goal.\r\n\r\nIt is also one where a new contributor is quite likely to produce a design that is not inline with mathlib's API de\n[…]\nire a lot of guidance, which causes the PRs to languish in review.\r\n\r\nReword the TODO to make it less likely that the situation gets worse.\r\n\r\n\r\n\n\nCo-authored-by: Maja Kądziołka <maya@compilercrim.es>",
          "is_bot": false,
          "headline": "chore(RegularExpressions): clarify that TODO has pending PRs (#24205)",
          "author_name": "Maja Kądziołka",
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          "committed_at": "2025-06-07T07:26:43Z",
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          "oid": "4f54a550f93afebf0f903297f5ab0babd842c3c5",
          "body": "Also modify `Int.le_induction` and `Int.le_induction_down` to be like `Nat.le_induction` – `induction n, hn using` syntax can now be used with the first two recursors.\r\n\r\nSee [Zulip](https://leanprover.zulipchat.com/#narrow/channel/287929-mathlib4/topic/Naming.20of.20.60Int.60.20recursors/near/522863583).",
          "is_bot": false,
          "headline": "chore: better recursor names for `ℤ` (#25555)",
          "author_name": "Jeremy Tan Jie Rui",
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          "committed_at": "2025-06-07T06:38:24Z",
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          "oid": "994033ef9c4b418ad19747aa3589495b60728067",
          "body": "zulip discussion: [#new members > EuclideanSpace.single 2 1 ≠ 0](https://leanprover.zulipchat.com/#narrow/channel/113489-new-members/topic/EuclideanSpace.2Esingle.202.201.20.E2.89.A0.200/with/522858317)\r\n\r\n\n\nCo-authored-by: Eric Wieser <wieser.eric@gmail.com>",
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          "headline": "feat: simp lemmas for WithLp eq zero (#25552)",
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      }
    },
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        "merged_prs": 1,
        "open_issues": 0,
        "closed_ratio": null,
        "closed_issues": 0,
        "closed_unmerged_prs": 0
      },
      "bus_factor": 12,
      "bot_contributors": 1,
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        {
          "type": "User",
          "login": "urkud",
          "commits": 1677,
          "avatar_url": "https://avatars.githubusercontent.com/u/188813?v=4"
        },
        {
          "type": "User",
          "login": "kim-em",
          "commits": 1397,
          "avatar_url": "https://avatars.githubusercontent.com/u/477956?v=4"
        },
        {
          "type": "User",
          "login": "YaelDillies",
          "commits": 1369,
          "avatar_url": "https://avatars.githubusercontent.com/u/14090593?v=4"
        },
        {
          "type": "User",
          "login": "eric-wieser",
          "commits": 853,
          "avatar_url": "https://avatars.githubusercontent.com/u/425260?v=4"
        },
        {
          "type": "User",
          "login": "Ruben-VandeVelde",
          "commits": 814,
          "avatar_url": "https://avatars.githubusercontent.com/u/65514131?v=4"
        },
        {
          "type": "User",
          "login": "joelriou",
          "commits": 758,
          "avatar_url": "https://avatars.githubusercontent.com/u/37772949?v=4"
        },
        {
          "type": "User",
          "login": "grunweg",
          "commits": 673,
          "avatar_url": "https://avatars.githubusercontent.com/u/10105016?v=4"
        },
        {
          "type": "User",
          "login": "Parcly-Taxel",
          "commits": 613,
          "avatar_url": "https://avatars.githubusercontent.com/u/54175463?v=4"
        },
        {
          "type": "User",
          "login": "adomani",
          "commits": 500,
          "avatar_url": "https://avatars.githubusercontent.com/u/29467745?v=4"
        },
        {
          "type": "User",
          "login": "j-loreaux",
          "commits": 391,
          "avatar_url": "https://avatars.githubusercontent.com/u/8920598?v=4"
        }
      ],
      "contributors_sampled": 99,
      "top_contributor_share": 0.088
    },
    "quality_signals": {
      "has_ci": true,
      "has_tests": true,
      "ci_workflows": [
        "PR_summary.yml",
        "actionlint.yml",
        "add_label_from_diff.yaml",
        "bench_summary_comment.yml",
        "bors.yml",
        "bot_fix_style.yaml",
        "build.yml",
        "build_fork.yml",
        "daily.yml",
        "dependent-issues.yml",
        "discover-lean-pr-testing.yml",
        "docker_build.yml",
        "label_new_contributor.yml",
        "labels_from_comment.yml",
        "latest_import.yml",
        "lint_and_suggest_pr.yml",
        "long_file_report.yml",
        "maintainer_bors.yml",
        "maintainer_merge.yml",
        "merge_conflicts.yml",
        "nightly_bump_toolchain.yml",
        "nightly_detect_failure.yml",
        "nightly_merge_master.yml",
        "nolints.yml",
        "stale.yml",
        "sync_closed_tasks.yaml",
        "technical_debt_metrics.yml",
        "update_dependencies.yml",
        "update_dependencies_zulip.yml",
        "zulip_emoji_closed_pr.yaml",
        "zulip_emoji_labelling.yaml",
        "zulip_emoji_merge_delegate.yaml"
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      "has_docs_dir": true,
      "linter_configs": [],
      "has_editorconfig": false,
      "has_linter_config": false,
      "has_precommit_config": false
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    "security_signals": {
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      "scorecard": {
        "checks": [
          {
            "name": "Binary-Artifacts",
            "score": 10,
            "reason": "no binaries found in the repo",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#binary-artifacts"
          },
          {
            "name": "Branch-Protection",
            "score": 0,
            "reason": "branch protection not enabled on development/release branches",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#branch-protection"
          },
          {
            "name": "CI-Tests",
            "score": null,
            "reason": "no pull request found",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#ci-tests"
          },
          {
            "name": "CII-Best-Practices",
            "score": 0,
            "reason": "no effort to earn an OpenSSF best practices badge detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#cii-best-practices"
          },
          {
            "name": "Code-Review",
            "score": 0,
            "reason": "Found 0/30 approved changesets -- score normalized to 0",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#code-review"
          },
          {
            "name": "Contributors",
            "score": 10,
            "reason": "project has 35 contributing companies or organizations",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#contributors"
          },
          {
            "name": "Dangerous-Workflow",
            "score": 0,
            "reason": "dangerous workflow patterns detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#dangerous-workflow"
          },
          {
            "name": "Dependency-Update-Tool",
            "score": 10,
            "reason": "update tool detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#dependency-update-tool"
          },
          {
            "name": "Fuzzing",
            "score": 0,
            "reason": "project is not fuzzed",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#fuzzing"
          },
          {
            "name": "License",
            "score": 10,
            "reason": "license file detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#license"
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          {
            "name": "Maintained",
            "score": 0,
            "reason": "0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#maintained"
          },
          {
            "name": "Packaging",
            "score": 10,
            "reason": "packaging workflow detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#packaging"
          },
          {
            "name": "Pinned-Dependencies",
            "score": 7,
            "reason": "dependency not pinned by hash detected -- score normalized to 7",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#pinned-dependencies"
          },
          {
            "name": "SAST",
            "score": 0,
            "reason": "no SAST tool detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#sast"
          },
          {
            "name": "Security-Policy",
            "score": 0,
            "reason": "security policy file not detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#security-policy"
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          {
            "name": "Signed-Releases",
            "score": null,
            "reason": "no releases found",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#signed-releases"
          },
          {
            "name": "Token-Permissions",
            "score": 0,
            "reason": "detected GitHub workflow tokens with excessive permissions",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#token-permissions"
          },
          {
            "name": "Vulnerabilities",
            "score": 10,
            "reason": "0 existing vulnerabilities detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#vulnerabilities"
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      "has_security_policy": false,
      "has_dependabot_config": true
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      "collected": true,
      "ci_last_run_at": "2026-03-20T10:38:01Z",
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  },
  "config": {
    "disabled_metrics": [],
    "disabled_categories": [],
    "disabled_components": {}
  },
  "source": {
    "url": "https://github.com/mattrobball/mathlib4_fork",
    "host": "github.com",
    "name": "mathlib4_fork",
    "owner": "mattrobball"
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  "metrics": {
    "overall": {
      "key": "overall",
      "band": "at_risk",
      "name": "Overall health",
      "note": "Abandonment Policy applies a 85% multiplier to weighted overall health.",
      "notes": [
        {
          "code": "abandonment_overall_adjustment",
          "params": {
            "cap": 0,
            "pct": 85
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        }
      ],
      "value": 37,
      "inputs": {
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        "vitality": 28,
        "community": 12,
        "governance": 75,
        "engineering": 56,
        "abandonment_cap": null,
        "abandonment_state": "at_risk",
        "abandonment_multiplier": 85,
        "weighted_overall_before_abandonment": 44,
        "overall_after_abandonment_multiplier": 37
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      "components": []
    },
    "categories": [
      {
        "key": "vitality",
        "band": "critical",
        "name": "Vitality",
        "value": 28,
        "weight": 0.22,
        "metrics": [
          {
            "key": "development_activity",
            "band": "critical",
            "name": "Development activity",
            "note": null,
            "notes": [],
            "value": 10,
            "inputs": {
              "commits_last_year": 0,
              "human_commit_share": 0.97,
              "days_since_last_push": 129,
              "active_weeks_last_year": 0
            },
            "components": [
              {
                "key": "push_recency",
                "name": "Push recency",
                "detail": "last push 129 days ago",
                "points": 9.9,
                "status": "partial",
                "details": [
                  {
                    "code": "push_recency",
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                      "days": 129
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                ],
                "max_points": 36
              },
              {
                "key": "commit_cadence",
                "name": "Commit cadence",
                "detail": "0/52 weeks with commits",
                "points": 0,
                "status": "missed",
                "details": [
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                    "code": "commit_cadence_weeks",
                    "params": {
                      "weeks": 0
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                  }
                ],
                "max_points": 36
              },
              {
                "key": "commit_volume",
                "name": "Commit volume",
                "detail": "0 commits in the last year",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "commits_last_year",
                    "params": {
                      "count": 0
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                ],
                "max_points": 18
              },
              {
                "key": "openssf_scorecard_maintained",
                "name": "OpenSSF Scorecard: Maintained",
                "detail": "0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 10
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            ]
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          {
            "key": "release_discipline",
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            "name": "Release discipline",
            "note": "Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Signed-Releases. Remaining weights renormalized.",
            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
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              },
              {
                "code": "weights_renormalized",
                "params": {}
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            ],
            "value": 56,
            "inputs": {
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              "latest_release_tag": "v4.20.1",
              "releases_from_tags": true,
              "days_since_latest_release": 418,
              "mean_days_between_releases": 5.8
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            "components": [
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                "key": "ships_releases",
                "name": "Ships releases",
                "detail": "14 version tags (no GitHub releases)",
                "points": 16.2,
                "status": "partial",
                "details": [
                  {
                    "code": "version_tags_no_releases",
                    "params": {
                      "count": 14
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                  }
                ],
                "max_points": 27
              },
              {
                "key": "release_recency",
                "name": "Release recency",
                "detail": "latest release 418 days ago",
                "points": 7.2,
                "status": "partial",
                "details": [
                  {
                    "code": "release_recency",
                    "params": {
                      "days": 418
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                  }
                ],
                "max_points": 36
              },
              {
                "key": "release_cadence",
                "name": "Release cadence",
                "detail": "a release every ~5.8 days",
                "points": 27,
                "status": "met",
                "details": [
                  {
                    "code": "release_cadence",
                    "params": {
                      "gap": 5.8
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                ],
                "max_points": 27
              },
              {
                "key": "openssf_scorecard_signed_releases",
                "name": "OpenSSF Scorecard: Signed-Releases",
                "detail": "no releases found",
                "points": 0,
                "status": "excluded",
                "details": [
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                    "code": "no_data",
                    "params": {}
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                ],
                "max_points": 10
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            ]
          },
          {
            "key": "abandonment",
            "band": "excellent",
            "name": "Abandonment",
            "note": null,
            "notes": [],
            "value": 85,
            "inputs": {
              "cap": null,
              "state": "at_risk",
              "guards": [
                "no_open_demand"
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              "signals": [
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              "red_flag": true,
              "multiplier_pct": 85,
              "declared_reason": null,
              "unverified_reason": null,
              "unanswered_open_prs": 0,
              "unanswered_open_issues": 0,
              "days_since_last_merged_pr": 169,
              "days_since_last_human_commit": 411,
              "days_since_last_human_commit_is_floor": false
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            "components": [
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                "key": "project_is_still_maintained",
                "name": "Project is still maintained",
                "detail": "no human commit for 411 days; 2 unmet obligation(s): releases stalled, Scorecard reports it unmaintained",
                "points": 85,
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                "details": [
                  {
                    "code": "abandonment_flagged",
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                      "days": 411,
                      "count": 2,
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                  }
                ],
                "max_points": 100
              }
            ]
          }
        ],
        "description": "Is the project alive — is code being written and are releases shipping?"
      },
      {
        "key": "community",
        "band": "critical",
        "name": "Community & Adoption",
        "value": 12,
        "weight": 0.18,
        "metrics": [
          {
            "key": "popularity",
            "band": "critical",
            "name": "Popularity & adoption",
            "note": null,
            "notes": [],
            "value": 1,
            "inputs": {
              "forks": 0,
              "stars": 0,
              "watchers": 0,
              "growth_state": "unverified",
              "growth_factor_pct": 100,
              "growth_unverified_reason": "no_history"
            },
            "components": [
              {
                "key": "stars",
                "name": "Stars",
                "detail": "0 stars",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "stars",
                    "params": {
                      "count": 0
                    }
                  }
                ],
                "max_points": 60
              },
              {
                "key": "forks",
                "name": "Forks",
                "detail": "0 forks",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "forks",
                    "params": {
                      "count": 0
                    }
                  }
                ],
                "max_points": 25
              },
              {
                "key": "watchers",
                "name": "Watchers",
                "detail": "0 watchers",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "watchers",
                    "params": {
                      "count": 0
                    }
                  }
                ],
                "max_points": 15
              }
            ]
          },
          {
            "key": "community_health",
            "band": "critical",
            "name": "Community health",
            "note": null,
            "notes": [],
            "value": 25,
            "inputs": {
              "has_readme": false,
              "has_license": false,
              "has_contributing": false,
              "has_issue_template": false,
              "has_code_of_conduct": false,
              "has_pull_request_template": false
            },
            "components": [
              {
                "key": "readme",
                "name": "README",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 22.5
              },
              {
                "key": "license",
                "name": "License",
                "detail": "recognized license (Apache-2.0)",
                "points": 22.5,
                "status": "met",
                "details": [
                  {
                    "code": "license_standard",
                    "params": {}
                  },
                  {
                    "code": "license_spdx",
                    "params": {
                      "spdx": "Apache-2.0"
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                "max_points": 22.5
              },
              {
                "key": "contributing_guide",
                "name": "CONTRIBUTING guide",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 18
              },
              {
                "key": "code_of_conduct",
                "name": "Code of conduct",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 13.5
              },
              {
                "key": "issue_template",
                "name": "Issue template",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 7.2
              },
              {
                "key": "pr_template",
                "name": "PR template",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 6.3
              }
            ]
          }
        ],
        "description": "Does the project have users, downloads, attention, and a welcoming setup for contributors?"
      },
      {
        "key": "governance",
        "band": "good",
        "name": "Sustainability & Governance",
        "value": 75,
        "weight": 0.24,
        "metrics": [
          {
            "key": "maintainer_resilience",
            "band": "excellent",
            "name": "Maintainer resilience (bus factor)",
            "note": null,
            "notes": [],
            "value": 98,
            "inputs": {
              "bus_factor": 12,
              "contributors_sampled": 99,
              "top_contributor_share": 0.088
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            "components": [
              {
                "key": "bus_factor",
                "name": "Bus factor",
                "detail": "12 contributor(s) cover half of all commits",
                "points": 54,
                "status": "met",
                "details": [
                  {
                    "code": "bus_factor",
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                  }
                ],
                "max_points": 54
              },
              {
                "key": "commit_distribution",
                "name": "Commit distribution",
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                "points": 20.5,
                "status": "partial",
                "details": [
                  {
                    "code": "top_contributor_share",
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                ],
                "max_points": 22.5
              },
              {
                "key": "contributor_breadth",
                "name": "Contributor breadth",
                "detail": "99 contributors",
                "points": 13.5,
                "status": "met",
                "details": [
                  {
                    "code": "contributors_sampled",
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                ],
                "max_points": 13.5
              },
              {
                "key": "openssf_scorecard_contributors",
                "name": "OpenSSF Scorecard: Contributors",
                "detail": "project has 35 contributing companies or organizations",
                "points": 10,
                "status": "met",
                "details": [],
                "max_points": 10
              }
            ]
          },
          {
            "key": "responsiveness",
            "band": "good",
            "name": "Issue & PR responsiveness",
            "note": "Excluded from scoring (no data or not applicable): Issue resolution. Remaining weights renormalized.",
            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
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              },
              {
                "code": "weights_renormalized",
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            ],
            "value": 72,
            "inputs": {
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            "components": [
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                "status": "excluded",
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                ],
                "max_points": 46.75
              },
              {
                "key": "pr_acceptance",
                "name": "PR acceptance",
                "detail": "1/1 decided PRs merged",
                "points": 38.2,
                "status": "met",
                "details": [
                  {
                    "code": "decided_prs_merged",
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                      "decided": 1
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                ],
                "max_points": 38.25
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                "key": "openssf_scorecard_code_review",
                "name": "OpenSSF Scorecard: Code-Review",
                "detail": "Found 0/30 approved changesets -- score normalized to 0",
                "points": 0,
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            ]
          },
          {
            "key": "stewardship",
            "band": "moderate",
            "name": "Ownership & stewardship",
            "note": "Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.",
            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
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              },
              {
                "code": "weights_renormalized",
                "params": {}
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            "value": 51,
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              "is_verified": null,
              "owner_login": "mattrobball",
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              "account_age_days": 1619
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            "components": [
              {
                "key": "ownership_backing",
                "name": "Ownership backing",
                "detail": "personal (user) account",
                "points": 10,
                "status": "partial",
                "details": [
                  {
                    "code": "owner_personal",
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                ],
                "max_points": 30
              },
              {
                "key": "verified_domain",
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                "points": 0,
                "status": "excluded",
                "details": [
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                "max_points": 20
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              {
                "key": "owner_reach",
                "name": "Owner reach",
                "detail": "24 followers of mattrobball",
                "points": 10.1,
                "status": "partial",
                "details": [
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                    "code": "owner_followers",
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                  }
                ],
                "max_points": 25
              },
              {
                "key": "track_record",
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                "points": 20.4,
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                "key": "openssf_scorecard_ci_tests",
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          {
            "key": "documentation",
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            "notes": [],
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                "points": 25,
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              {
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              {
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        "key": "security",
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                "key": "code_review",
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                "key": "license",
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                "status": "met",
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                "key": "pinned_dependencies",
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                "max_points": 7.5
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                "key": "vulnerabilities",
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            "notes": [
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                "code": "jurisdiction_evidence_limits",
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