Create the proof
Log in to OpenCollective and add a proof to the collective's About section at the bottom of the page.
An example of a proof:
The following proof formats are supported:
Add the claim…
The claim looks as follows:
Make sure to replace 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: