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Latest #013 OpenAI: AI maths proofs looked finished, some were wrong

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What happened · #013

OpenAI: AI maths proofs looked finished, some were wrong

OpenAI's AI maths proofs looked finished, and some were wrong. This updates our earlier Brief. OpenAI announced on the 7th of October 2026 it had withdrawn three AI-produced maths manuscripts over a sign error. They were among 722 preprints posted under 24 hours earlier, Retraction Watch reported.

Source: OpenAI, 7 Oct 2026

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Why it matters

Three things to know

  1. Wrong sign, three out
  2. 14 repaired, 13 updated
  3. Lean checks 300 of 719

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