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

{
  "commit": "0b85617478c8c03b4db538b5dc1774f9fa5bf41c",
  "url": "https://github.com/commercialhaskell/all-cabal-hashes/archive/0b85617478c8c03b4db538b5dc1774f9fa5bf41c.tar.gz",
  "sha256": "1r2w0cysn4x8hzw0989p9cmqvyqkjs4phy8iisphczw30s02zc27",
  "msg": "Update from Hackage at 2022-01-14T12:47:41Z"
}