Formalizing Fermat's Last Theorem - https://news.ycombinator.com/item?id=49568506 - Sept 2026 (177 comments)
Discussion of Kevin's post in the top subthread:
https://news.ycombinator.com/item?id=49568667
(I'd much prefer the xenaproject link to be the #1 on HN but it seems fair to give Anthropic their due in this case!)