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

{
  "commit": "8977803787241e1474bdbb35cbc704c57cce6fcd",
  "url": "https://github.com/commercialhaskell/all-cabal-hashes/archive/8977803787241e1474bdbb35cbc704c57cce6fcd.tar.gz",
  "sha256": "1ivdqlmpdqpa5m5cdwdk6l258nmnz9a6466y8xs19x0wkdx4b738",
  "msg": "Update from Hackage at 2021-08-07T10:52:35Z"
}