{ "domain": "mathematics", "topics": [ "analysis", "number-theory" ], "type": "proof", "source": { "key": "erdos", "name": "Erdős Problems", "url": "https://www.erdosproblems.com/510", "id": "510", "curator": "Thomas Bloom", "poser": "Sarvadaman Chowla", "status": "open", "as_of": "2026-10-20", "catalog": "0521c19bbd38" }, "review": true, "approval": "first-time" }