It's a nondeterministic sensical system. Yes, sometimes it suffers from "hallucinations" (or whatever we're calling them these days). However, it's generally very good at regurgitating back it's limitations.

https://chat.openai.com/share/a18029ba-bf1b-4018-853f-206173...

https://chat.openai.com/share/49cd4e0d-9327-4984-8bba-1254b6...

How would you propose the person who linked the April 2023 chat log faked it? The way that the person phrased the question in the chat log was actually GREAT question to ask to show they indeed have an April 2023 version, as it's a particularly hard question to fake.