Morning Edition · Saturday, October 10, 2026Published at 2:23 AM EDT · New York
Lean formalizations cover the main result of only 162 of the 722 manuscripts, and a group of mathematicians, in a statement Fields medalist Terence Tao posted to his blog, has urged colleagues to stop working with OpenAI.

On October 6, OpenAI published 722 mathematical manuscripts grouped into 372 result families. An internal frontier model that the company has not released produced all of them. The public GitHub repository includes Lean formalizations and abridged summaries of the model's reasoning. OpenAI said the model worked on about 4,000 open problems during an internal evaluation period. The showcased families therefore represent less than 10 percent of what it attempted, and the selection criteria for that subset matter as much as the results.
The catalog claims resolutions of problems that would each be a major result if confirmed: the Mahler conjectures, an exact irrationality exponent for π, the Unique Games Conjecture, the free group factor isomorphism problem, and large-data global regularity for the relativistic Vlasov–Maxwell system, according to Unite.AI's summary of the repository. Fortune reported that the field responded with both celebration and criticism.
Verification is the gap. Lean formalizations cover the main result of 162 of the 722 papers. The remaining proofs are informal, and so far only OpenAI's researchers and the model itself have read them in full. Other tallies of machine-checked coverage differ. Even a passing Lean check proves only the formal statement, so a reviewer still has to confirm that the formal statement matches the conjecture as mathematicians state it. Dana Moshkovitz, a theoretical computer scientist who has spent her career on the Unique Games Conjecture, said OpenAI's document states plainly that the conjecture is proven. She also said the proof was written so badly that she could not read it without AI help, The Decoder reported.
The professional response has been organized. A group calling itself the Association for Human Mathematics (AHM) accused OpenAI of "total disregard" for the norms of scientific research and urged mathematicians to stop working with the company. Tao, a Fields medalist, posted the statement as a guest post on his blog on October 7, per The Decoder. Earlier, OpenAI withdrew its sponsorship of a Caltech "Mathathon" after an open letter against the event drew about 500 signatories.
The release also prompted security warnings. AI Post relayed claims that rapid AI progress in mathematics could threaten internet security, and Ethereum researcher Justin Drake issued what CryptoSlate called a "bunker mode" warning for Bitcoin and Ethereum. The Week described the argument as a "Mathspocalypse." Coverage of the security case agrees that there is no evidence AI models are close to breaking deployed cryptography. The concern is that faster discovery of new algorithms would shorten the time defenders have to migrate.
Verified so far: the volume of output, and a machine-checked subset whose formal statements still need human audit. Asserted but not verified: the correctness of the informal flagship proofs. No outside party can evaluate the process, because the model is unreleased and the attempts that did not make the cut are unpublished.
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If the framing holds, OpenAI gets a capability signal it can use with investors and research partners without releasing the model or its prompts, and the Association for Human Mathematics (AHM) gets standing as the group that controls what counts as an accepted mathematical result.
The release, the 4,000 attempted problems and the boycott call are all corroborated, but the count of machine-checked proofs is disputed: the article says 162, while Let's Data Science reported 300 of 719 top-line results as of October 7. OpenAI also kept the prompts, the model's name and the compute per problem private, against the advice of the mathematicians it consulted.
An open-source-intelligence read of how likely this story is true with its real nuance, not a judgment of any outlet. It assesses the claim, weighing independent and adversarial reporting. How we label confidence.
What this means
Generating a proof now costs OpenAI less than refereeing that proof costs the field. The constraint on new mathematics has moved from discovery to verification, and the parties exposed are journals, the Lean and Mathlib formalization community, and OpenAI's academic partnerships. OpenAI gets a capability signal that no benchmark can provide. Mathematicians want to keep control over what counts as a result, and their available tool is withdrawing cooperation, which the Caltech episode shows OpenAI will accommodate. There is a precedent. Appel and Haken's 1976 computer-assisted proof of the four color theorem stayed contested for decades until Gonthier and Werner formalized it in Coq in 2005, and the field ended up accepting machine checking as the standard rather than rejecting the result. The likelier outcome is similar but faster: within months, the Lean-covered subset gains acceptance, specialists confirm or break one or two flagship informal claims such as Unique Games, and journals start requiring formalization for AI-generated submissions. That depends on OpenAI expanding Lean coverage beyond 162 papers. The read is wrong if specialist teams find that formal statements in the verified subset do not match the published conjectures. For crypto assets, the near-term price channel is narrative only. No claimed result bears on the hardness assumptions behind deployed signatures, so expect faster talk of migrating to post-quantum cryptography and switchable algorithms, not breakage.
What to watch
Observations to monitor, not financial advice.
Source: Polylog editors
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