Found it!

How you can find your earliest notes:

I looked up your npub in snort (https://snort.social/p/yournpub) & scrolled down as fast as possible. If it doesn't get to that first note, refresh the page and scroll down faster.

nostr:note1r08gy3han6wuntyqejnxnd8ncmfn0fafq9nxxnzxw5q3xp5vap3qa7d0t3