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

Post a Twitter proof message

Log in to twitter.com and compose a new tweet with the following text (make sure to replace FINGERPRINT):

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

[Verifying my OpenPGP key: openpgp4fpr:FINGERPRINT]

After posting, copy the link to the tweet.

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 update with the link to the tweet copied above):

proof@metacode.biz=https://twitter.com/USERNAME/status/1234567891234567891

Save the key:

save

Upload the key to the HKP servers (make sure to replace FINGERPRINT):

gpg --send-keys FINGERPRINT

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