atagar@odin:~$ gpg --sign-key 31B0974B

pub  1024D/31B0974B  created: 2003-07-17  expires: never       usage: SC
                     trust: unknown       validity: unknown
sub  4096g/B77F95F7  created: 2003-07-17  expires: never       usage: E
[ unknown] (1). Andrew Lewman (phobos) <phobos@rootme.org>
[ unknown] (2)  Andrew Lewman <andrew@lewman.com>
[ revoked] (3)  Andrew Lewman <aplewman@osem.com>
[ unknown] (4)  Andrew Lewman <andrew@torproject.org>
[ revoked] (5)  Andrew Lewman (r00tin) <deimos@rootme.org>
[ revoked] (6)  Andrew Lewman (Free Haven) <phobos@freehaven.net>
[ revoked] (7)  Andrew Lewman (Simple End User Linux) <phobos@seul.org>
[ revoked] (8)  Andrew Lewman (TechTarget, Inc.) <andrew@techtarget.com>
[ revoked] (9)  Andrew Lewman (TechTarget, Inc.) <alewman@techtarget.com>
[ revoked] (10)  Andrew Lewman (Lewman Racing, LLC) <andrew@lewmanracing.com>

Really sign all user IDs? (y/N)