{ "domain": "mathematics", "topics": [ "probability", "statistical-mechanics" ], "type": "proof", "source": { "key": "aimpl", "name": "AIM Problem Lists", "url": "http://aimpl.org/firstpercolation/5/", "id": "firstpercolation 5.2", "curator": "American Institute of Mathematics", "poser": "Olle Häggström and Robin Pemantle; posed by Christopher Hoffman", "status": "open", "as_of": "2026-10-20", "catalog": "0521c19bbd38" }, "review": true, "approval": "first-time" }