Let's add a decentralized Discourse proof to your OpenPGP keys.

Update the Discourse account

Log in to the discourse instance website and add the following text to your About me (make sure to replace FINGERPRINT):

This is an OpenPGP proof that connects my OpenPGP key to this Discourse account.
For details check out https://keyoxide.org/guides/openpgp-proofs


[Verifying my OpenPGP key: openpgp4fpr:FINGERPRINT]

After posting, copy the link to your profile page (it should end with your /u/USERNAME).

Update the PGP key

First, edit the key (make sure to replace FINGERPRINT):

gpg --edit-key FINGERPRINT

Add a new notation:

notation

Enter the notation (make sure to replace PROFILE_URL with the link to the profile copied above):

proof@metacode.biz=PROFILE_URL

Save the key:

save

Upload the key to WKD or keys.openpgp.org (make sure to replace FINGERPRINT):

gpg --send-keys FINGERPRINT

And you're done! Reload your profile page, it should now show a verified Discourse account.