{ mkDerivation }: # How to obtain `sha256`: # nix-prefetch-url --unpack https://github.com/erlang/otp/archive/OTP-${version}.tar.gz mkDerivation { version = "25.0"; sha256 = "1nf72yiirdpxcs8m10xc04ryghxxc73x954x38m5a6fhv2hfhp2n"; }