Info for http://swtch.com//plan9port/plan9port.tgz
as of Fri Apr 18 06:40:29 EDT 2014

$ ls -l plan9port.tgz
lrwxr-xr-x  1 rsc  users  22 Apr 10 00:01 plan9port.tgz -> plan9port-20140410.tgz
$ sha1sum plan9port.tgz
742bdf301d897db1d43ec4e2a1d83356c18f79d6	plan9port.tgz
$ md5sum plan9port.tgz
57ca37c5419000a9f20e6c4cfe318ca4	plan9port.tgz
$