Info for http://swtch.com//plan9port/plan9port.tgz
as of Fri Aug 29 11:21:22 EDT 2014

$ ls -l plan9port.tgz
lrwxr-xr-x  1 rsc  users  22 Jul 23 00:01 plan9port.tgz -> plan9port-20140723.tgz
$ sha1sum plan9port.tgz
13b6cde278f4108364fe6079051d8a7fb0bef688	plan9port.tgz
$ md5sum plan9port.tgz
b4e42c6dcc5900692235957e7ee916cc	plan9port.tgz
$