SHA512 (pg-1.5.4.gem) = 77d68e06dd26eeec932741875543cb9e02d8e4925f5483914bc1acdda0c792896ca2bb205366245745c24aae512d90a482f4a45a3e174c5ed0dbfd983762cd61
SHA512 (pg-1.5.4-spec.tar.gz) = 4db24cd730b0363f05a4ef9d293fba370f8f937b06774f242e163d1139266bbee5ff2eab55c75ea735457dc9142d95f16353d6c4b7a7863408f8ff929f50bc41