But is "I asked chatgpt" assigning any authority to it? I use precisely that sentence as a shorthand for "I didn't know, looked it up in the most convenient way, and it sounded plausible enough to pass on".
Just do the research, and you don't have to qualify it. "GPT said that Don Knuth said..." Just verify that Don said it, and report the real fact! And if something turns out to be too difficult to fact check, that's still valuable information.