The law requires Pornhub to use a government service (LA Wallet) to verify the license, allowing the Louisiana government to log the event.

In order to foster faithful discussion on this site we enjoy citations. Do you have any for your parent comment? You make many bold claims but do not have any research to back it up.

They do have to record it, because it needs to be auditable if it's questioned legally.

Uh huh…

And when they’re dragged into court by the parents of some kid that got caught watching porn how are they supposed to prove they complied with the law?

In a bar they come in and randomly card people to make sure they’re not serving underage people. I’ve seen it once, just a spot check by the state liquor board or whoever. No need to store any information, if you’re in the bar be expected to be carded at any time.