That's what GPT3 does. When you ask for a source and the DOI of the supposed pap...

trompetenaccoun on Jan 31, 2023 | parent | context | favorite | on: Show HN: ELI5 Powered by GPT-3

That's what GPT3 does. When you ask for a source and the DOI of the supposed paper it makes up a fake DOI. You point out the DOI is fake it apologizes and gives you a different made-up DOI.