{
  "domain": "engineering-energy",
  "topics": [
    "fusion-energy"
  ],
  "type": "design",
  "benchmark": {
    "task": "Minimize the maximum elongation of a stellarator boundary within shape limits",
    "metric": {
      "name": "Score 1 − (max elongation − 1)/9; 0 if infeasible",
      "better": "higher"
    },
    "baseline": {
      "name": "Best on the ConStellaration leaderboard (canyon-ant)",
      "score": 0.980483470120651
    }
  },
  "source": {
    "key": "constellaration",
    "name": "ConStellaration",
    "url": "https://github.com/proximafusion/constellaration/blob/v0.2.6/src/constellaration/problems.py#L113",
    "id": "geometrical",
    "curator": "Proxima Fusion",
    "poser": "Proxima Fusion (Cadena et al., 2025)",
    "status": "open",
    "as_of": "2026-10-20",
    "catalog": "0521c19bbd38"
  }
}