{ mkDerivation }: # How to obtain `sha256`: # nix-prefetch-url --unpack https://github.com/erlang/otp/archive/OTP-${version}.tar.gz mkDerivation { version = "23.3.1"; sha256 = "1nx9yv3l8hf37js7pqs536ywy786mxhkqba1jsmy1b3yc6xki1mq"; }