September 19, 2026
Lean Verifies the Proof, Not the Clay Problem: The Formalization Still Needs Verification
On September 19, 2026, the post's author separated three checks: a Lean theorem, consistency with the analytical article, and an answer to the Clay question. OpenAI's formal verification covers only the first level.

On September 19, 2026, the post's author separated three checks: a Lean theorem, consistency with the analytical article, and an answer to the Clay question. OpenAI's formal verification covers only the first level.
The Clay Prize rules require publication in a suitable journal, two years after publication, and broad acceptance by the mathematical community.
