Claims
| Claim | Type | Assessment | Score | Review checks | References |
|---|---|---|---|---|---|
| OpenAI announced on 8 September 2026 that an internal AI model produced a proof, formalized in Lean, that three-dimensional Navier–Stokes solutions can develop a singularity in finite time. | OBSERVATIONAL | Supported | 0.9781 | 3 of 4 | 264 |