TIMESTAMP = 1505292447
SHA256 (racket/6.10.1/racket-6.10.1-src-builtpkgs.tgz) = a73074394c7cf59f9ce62ad1c495ffa31d0a57ea7ea7f44f272d22f2d7af319a
SIZE (racket/6.10.1/racket-6.10.1-src-builtpkgs.tgz) = 119081256