Mathematicians launch Hexagon, an archive for AI-generated proofs arXiv won't host
On October 6, 2026, Terence Tao and Benjamin Antieau announced Hexagon, a repository for research-level math and theoretical CS that explicitly accepts submissions where contributors claim no human understanding. arXiv has banned fully AI-generated content and, from October 1, capped submissions at two per month after receiving 40,363 papers in September.
- Hexagon accepts papers tagged 'Human understanding: no parts'
- arXiv capped submissions at two per month from October 1
- arXiv received 40,363 submissions in September 2026, 4x a decade ago
- Platform built with OpenAI Codex; foundation registered in Delaware
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