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

{
  "commit": "5b1efa929ec68b76f8e84df53bf48b6e4a392feb",
  "url": "https://github.com/commercialhaskell/all-cabal-hashes/archive/5b1efa929ec68b76f8e84df53bf48b6e4a392feb.tar.gz",
  "sha256": "1azja4gm6yy8zs0fjfiscjamfn13w4wp9wwadqhzhv0dmisg9y8v",
  "msg": "Update from Hackage at 2021-12-08T21:36:39Z"
}