Update. I'm sure this has occurred to #AI / #LLM tool builders. Determining whether an assertion is #true is a hard problem and we don't expect an adequate software solution any time soon, if ever. But determining whether a #citation points to a real publication and whether it's #relevant to the passage citing it, are comparatively easy. (Just comparatively.)

Some tools already cite sources. But when will tools promise that their citations are real and relevant — and deliver on that promise?