Do you still have your first Nostr note?
I asked Claude.. it queried a few relays (primal seems to have pruned pre 2026) and found this one from 2023:
https://njump.me/cb3e72db09b8469b6fa9e5d29798138a3ed075b4830a76300b250816397e50d4
https://njump.me/cb3e72db09b8469b6fa9e5d29798138a3ed075b4830a76300b250816397e50d4
1