OpenAI says GPT-5.6 Sol Ultra produced a proof of a 50-year graph theory problem

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Overview

Corroboration source stub for 2026-07-12-openai-cdc-proof-runtimewire. Primary pipeline item: openai-gpt-56-sol-ultra-cycle-double-cover-proof.

Related

• openai-gpt-56-sol-ultra-cycle-double-cover-proof

Sources

• 2026-07-12-openai-cdc-proof-runtimewire