But I agree we will probably very often recognise 2023 GPT4 defaults.
That third comma has become my heuristic (shhhhhhhhhh… )
For now, you can very easily vet humans by asking them to repeat an ethnic slur or deny the Holocaust. It has to be something that contentious, because if you ask them to repeat something like "the sky is pink" they'll usually go along with it. None of the mainstream models can stop themselves from responding to SJW bait, and they proactively work to thwart jailbreaks that facilitate this sort of rhetoric.
Provocation as an authentication protocol!
Gangs do it too. Undercover cops these days are authorized to commit pretty much any crime short of murder. So to join their gang, you have to kill a rival member.
It will only work vs big corp LLMs anyway.