{
  "arbitrary_dating_sensitivity_in_years": [
    0,
    25,
    75
  ],
  "dating_sensitivity_scenario_counts": {
    "0": 50003,
    "25": 50076,
    "75": 49921
  },
  "draws": 150000,
  "historical_regional_eras": {
    "active_150_1150_CE": {
      "age_perturbation_5_50_95pct_counts": [
        22,
        23,
        23
      ],
      "age_perturbation_mean_events": 22.899,
      "event_layer_rate_per_century_mean": 2.2899,
      "interval_CE": [
        150,
        1150
      ],
      "original_site_assignment_events": 23
    },
    "east_coast_active_1400_1675_CE": {
      "age_perturbation_5_50_95pct_counts": [
        8,
        9,
        10
      ],
      "age_perturbation_mean_events": 9.102,
      "event_layer_rate_per_century_mean": 3.3099,
      "interval_CE": [
        1400,
        1675
      ],
      "original_site_assignment_events": 9
    },
    "interval_1150_1400_CE": {
      "age_perturbation_5_50_95pct_counts": [
        1,
        1,
        3
      ],
      "age_perturbation_mean_events": 1.22,
      "event_layer_rate_per_century_mean": 0.4881,
      "interval_CE": [
        1150,
        1400
      ],
      "original_site_assignment_events": 1
    },
    "later_1675_1851_CE": {
      "age_perturbation_5_50_95pct_counts": [
        0,
        1,
        1
      ],
      "age_perturbation_mean_events": 0.71,
      "event_layer_rate_per_century_mean": 0.4032,
      "interval_CE": [
        1675,
        1851
      ],
      "original_site_assignment_events": 1
    }
  },
  "not_a_storm_track_record": true,
  "not_basin_hurricane_count": true,
  "not_original_published_age_uncertainty": true,
  "notes": "The underlying NOAA event-year grid is an age-model-derived past deposit chronology. Jitter amplitudes are deliberately scenario assumptions, not claimed 95% age bounds or actual future probabilities.",
  "prospective_prediction_proven": false,
  "schema": "cpx.poseidon.noaa.east-coast.paleo.sensitivity.v1",
  "seed": 20261114,
  "site": "Salt Pond, Falmouth Massachusetts",
  "source": "NOAA/WDS Salt Pond Massachusetts, site-specific storm overwash deposit flags",
  "source_event_flags": 35,
  "source_raw_sha256": "0d78ab39db35691191cf869c2381df8e4cd6402f03e3d0d2d0c9e84e6aed541c"
}