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

{
  "commit": "5ac4efab1c8e40b19b0bc4ba833477a4abc75358",
  "url": "https://github.com/commercialhaskell/all-cabal-hashes/archive/5ac4efab1c8e40b19b0bc4ba833477a4abc75358.tar.gz",
  "sha256": "0xnrdwmc646ghwzp61jp376s9fkpcd74slxc39law7akfp77v4ls",
  "msg": "Update from Hackage at 2021-11-18T20:32:52Z"
}