It's called the "fingerprint". You'll see it in the output of `gpg --list-keys` under your pub.
You can search for keys with the fingerprint with tools like https://keys.openpgp.org
It's called the "fingerprint". You'll see it in the output of `gpg --list-keys` under your pub.
You can search for keys with the fingerprint with tools like https://keys.openpgp.org