nixpkgs/pkgs/data/misc/hackage/pin.json

{
  "commit": "c3251a7b66241fd25a603ea957ec88b9fa6fffa9",
  "url": "https://github.com/commercialhaskell/all-cabal-hashes/archive/c3251a7b66241fd25a603ea957ec88b9fa6fffa9.tar.gz",
  "sha256": "0rpwykkvd6m5v0ay3ra9fyjgax1y67pr857s32z7l5bjgv1aap5p",
  "msg": "Update from Hackage at 2021-10-05T05:41:58Z"
}