{
  "domain": "mathematics",
  "topics": [
    "algebra"
  ],
  "type": "proof",
  "source": {
    "key": "kourovka",
    "name": "The Kourovka Notebook",
    "url": "https://kourovkanotebookorg.wordpress.com/wp-content/uploads/2026/10/21tkt-3.pdf#page=184",
    "id": "21.40",
    "curator": "E. I. Khukhro and V. D. Mazurov",
    "poser": "A. Dantas and E. de Melo",
    "status": "unsolved; unverified AI solution proposed",
    "as_of": "2026-10-20",
    "catalog": "0521c19bbd38"
  }
}