TIMESTAMP = 1558861137
SHA256 (racket/7.3/racket-7.3-src-builtpkgs.tgz) = 6324ab7212ca2ba89cf6c5cee743adb0e9bc0b3dd9d1ec30abb55134ff06a601
SIZE (racket/7.3/racket-7.3-src-builtpkgs.tgz) = 127136703