これは出力です：
$ gpg --list-keys
/home/peng/.gnupg/pubring.kbx
-----------------------------
pub rsa3072 2021-11-11 [SC] [expires: 2023-11-11]
A8DD0A5173596CE87F613E42E1D4CD2CE69ED220
uid [ultimate] tribbloid <pc175@uow.edu.au>
sub rsa3072 2021-11-11 [E] [expires: 2023-11-11]
IDはどの部分ですか？