{ mkDerivation }: # How to obtain `sha256`: # nix-prefetch-url --unpack https://github.com/erlang/otp/archive/OTP-${version}.tar.gz mkDerivation { version = "22.3.4.17"; sha256 = "sha256-YhKU9I4qN+TVG3t//t9htUBkOu8DS75vbn/qWvS1zc0="; }