you can just query directly to confirm this:

echo ["REQ", "nostril-query", {"authors": ["eb300dd2386a3b8efe0447be59bac4603d8b2f558a77b5ea7cb41823b56e21e6"]}] | nostcat wss://relay.damus.io

you'll see fa11cadbb65d6e81ae4e18a09ab7d784ea87d8b5c18bc81ece76b088fa0d1f5b pubkeys