{"type": "article", "title": "OpenAI says GPT-5.6 Sol Ultra produced a proof of a 50-year graph theory problem", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/openai-says-gpt-5-6-sol-ultra-produced-a-proof-of-a-50-year-graph-theory-problem", "original_source": "https://runtimewire.com/article/openai-gpt-5-6-sol-ultra-cycle-double-cover-proof", "published": "2026-07-10T20:09:46+00:00", "accessed": "2026-07-10", "id": "openai-says-gpt-5-6-sol-ultra-produced-a-proof-of-a-50-year-graph-theory-problem"}