Create the proof
Log in to gitlab.com or any other GitLab instance (your profile must be "public", not "private") and click on New project.
Set the project name to Gitlab proof.
Set the project slug to gitlab_proof.
Set the project description to:
An example of a proof:
The following proof formats are supported:
After creating the project, copy the link to the project.
Add the claim…
The claim looks as follows:
Make sure to replace DOMAIN and USERNAME.
…to a signature profile:
Follow the instructions provided here. The claim should look like:
…to an OpenPGP profile:
Follow the instructions provided here. The notation should look like: