{
  "passed": true,
  "every_record_checked": true,
  "cross_group_intersections": 0,
  "within_group_overlap_count": 1508091,
  "groups_with_positive_mass": 322274,
  "groups_with_zero_mass": 63798,
  "counter_randomized_bruteforce_cases": 120,
  "r1_group_sizes": {
    "min": 0.0,
    "median": 1.0,
    "p95": 10.0,
    "max": 27.0
  },
  "r2_group_sizes": {
    "min": 0.0,
    "median": 1.0,
    "p95": 9.0,
    "max": 662.0
  },
  "spot_check": {
    "seed": 20260915,
    "groups": [
      21705,
      71600,
      73953,
      94813,
      103733,
      125500,
      157846,
      200507,
      214257,
      227650,
      233353,
      238933,
      249715,
      262823,
      287121,
      307771,
      327636,
      354009,
      356198,
      359473
    ],
    "positive_pairs_examined": 38,
    "scope": "Deterministic geometric spot checks; not a population distribution estimate",
    "intersection_area_pixel_squared": {
      "min": 15.54,
      "median": 927.3449,
      "p95": 99250.06819499983,
      "max": 268782.8981
    },
    "iou": {
      "min": 0.0017384574811863769,
      "median": 0.8513640758664862,
      "p95": 0.9876125976743538,
      "max": 0.9940411920365035
    },
    "shared_exact_geometry_occurrences_in_selected_groups": 0
  },
  "numeric_range": {
    "max_coordinate": 98286053490,
    "unit_weights": true,
    "note": "Algorithm-specific area and cumulative-mass overflow checks remain required."
  }
}