自己署名の確認

$ gpg --edit-key example

Secret key is available.

pub  1024D/71EC4BBD  created: 2006-03-11  expires: never       usage: CS
                     trust: ultimate      validity: ultimate
sub  2048g/79094954  created: 2006-03-11  expires: never       usage: E
[ultimate] (1). example example <example@example.com>

Command> check
uid  example example <example@example.com>
sig!3        71EC4BBD 2006-03-11  [self-signature]