{
  "domain": "mathematics",
  "topics": [
    "number-theory"
  ],
  "type": "construction",
  "source": {
    "key": "frontiermath-open",
    "name": "FrontierMath: Open Problems",
    "url": "https://epoch.ai/frontiermath/open-problems/sum-of-three-cubes",
    "id": "sum-of-three-cubes",
    "curator": "Epoch AI",
    "status": "unsolved",
    "as_of": "2026-10-20",
    "catalog": "0521c19bbd38"
  }
}