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

{
  "commit": "dfb0b040033334d2e676906786c7a90805310e7d",
  "url": "https://github.com/commercialhaskell/all-cabal-hashes/archive/dfb0b040033334d2e676906786c7a90805310e7d.tar.gz",
  "sha256": "0x53gkkpxlcm6qa38yksx8cws9phl2zxvdys5imjpg8dl1sal3pg",
  "msg": "Update from Hackage at 2021-08-10T19:15:27Z"
}