it wouldn't be available for "all profiles" if the latter.
Maybe a two pronged approach..
"First seen: "
"Confirmed:"
nostr:npub1dergggklka99wwrs92yz8wdjs952h2ux2ha2ed598ngwu9w7a6fsh9xzpc - should it be the created_at of the earliest found event, or should one instead scan only for NIP-03 timestamped events?
it wouldn't be available for "all profiles" if the latter.
Maybe a two pronged approach..
"First seen: "
"Confirmed:"
#YESTR