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@misc{OpenAICharacteristicTwo2026,
 author={{OpenAI}},
 title={{A Counterexample to Kaplansky's Direct-Finiteness Conjecture in Characteristic Two}},
 howpublished={OpenAI Math Release preprint
               \href{https://github.com/openai/math/blob/main/preprints/A-Counterexample-to-Kaplanskys-Direct-Finiteness-Conjecture-in-Characteristic-Two-September-23-2026/paper.pdf}{OAI:A-Counterexample-to-Kaplanskys-Direct-Finiteness-Conjecture-in-Characteristic-Two-September-23-2026}},
 year={2026}
}