...

To enable people to find your public key, you should publish it to a well-known keyserver.  This is a simple command with gpg:

...

This will upload your public key to a well-known keyserver, which will then trigger other connected keyservers to get a copy.  You Afterward, you can verify the general availability of your public key by searching for your name in one of the keyservers in the SKS network.

3.

...

Publish Your Key Fingerprint

Add your fingerprint to this wiki page.