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

Post a Github proof message

Log in to github.com and click on New gist.

Name the file openpgp.md and copy the following content into it (make sure to replace FINGERPRINT and USERNAME):

This is an OpenPGP proof that connects [my OpenPGP key](https://keyoxide.org/FINGERPRINT) to [this Github account](https://github.com/USERNAME). For details check out https://keyoxide.org/guides/openpgp-proofs

[Verifying my OpenPGP key: openpgp4fpr:FINGERPRINT]

After creating a public gist, copy the link to the gist.

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 post copied above):

proof@metacode.biz=https://gist.github.com/USERNAME/12345678912345678912345678912345

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 Github account.