{
  "title": "Catalunya LiDAR cave-entrance retrieval pilot",
  "experiment_dates": [
    "2026-10-16",
    "2026-10-17"
  ],
  "verified_on": "2026-11-12",
  "status": "Experimental; no new cave entrance confirmed",
  "metric": "Known reference entrances within 25m of up to 25 ranked terrain candidates per fixed0.64km\u00b2 window; retrieval, not precision",
  "regions": [
    {
      "name": "Muntanyes de Prades",
      "references": 37,
      "baseline": 18,
      "revised": 21
    },
    {
      "name": "Els Ports",
      "references": 22,
      "baseline": 3,
      "revised": 2
    },
    {
      "name": "Alta Garrotxa",
      "references": 16,
      "baseline": 0,
      "revised": 2
    }
  ],
  "top25_cap": {
    "references": 75,
    "baseline_hits": 21,
    "revised_hits": 25,
    "baseline_review_count": 112,
    "revised_review_count": 150
  },
  "equal_workload": {
    "references": 75,
    "review_count_each": 112,
    "baseline_hits": 21,
    "revised_hits": 24,
    "baseline_one_to_one_hits": 19,
    "revised_one_to_one_hits": 21
  },
  "limitations": [
    "Cave-rich windows selected using historical catalogue density; not representative of Catalunya",
    "Coordinates documented but not independently resurveyed",
    "Candidate truth not established by fieldwork",
    "Six previously held-out windows now observed; fresh geography required after further tuning"
  ],
  "sources": [
    {
      "experiment_file": "results/iteration-20261017/plan.json",
      "sha256": "6c02ecbe549b70931a3ecf5dbfcac59cbfe84346cf00549c40a7770896dfcace"
    },
    {
      "experiment_file": "results/iteration-20261017/selection.json",
      "sha256": "c4a36af519aaa2e6e9c5a331fa8d06803c6f8e298357e7aaec7f335c34b044b5"
    },
    {
      "experiment_file": "results/iteration-20261017/decision.json",
      "sha256": "7dcacc775be7ac1a7665cf0746baf46cd09d157f5807bd6d8fda367980928923"
    },
    {
      "experiment_file": "results/iteration-20261017/equal-effort.json",
      "sha256": "be1234ba2d7d88fd4900a30216fd39a23ef44bd95e2cc6f7c300d68a3c446f12"
    },
    {
      "experiment_file": "results/iteration-20261017/verification.json",
      "sha256": "4ebaa3be4ab69c0ef4be4ef9609676dadf395dbb5acfc825e5eeafc6c7a9b50a"
    }
  ]
}