{
  "id": "rowing:1900:waiheke:flat-bottom-boats",
  "sport": "rowing",
  "classification": "OFFICIAL",
  "canonicalEligible": true,
  "recording": {
    "id": "ASN-WAIHEKE1900-FLATBOTTOM-1",
    "policyVersion": "1.0",
    "classification": "OFFICIAL",
    "adoptedOn": "2026-10-22",
    "scope": "One reconstructed flat-bottom boat race; two oars and unnamed steersman; three named placed crews",
    "ratingMethod": "Fixed equal Estimated C-20-D ratings reviewed in owner TEST pilot; no tuning to historical or pilot winner",
    "uncertainties": [
      "C. Bassett provisional surname reading; identities event-scoped",
      "Steersmen unnamed; complete starter count unavailable",
      "Measured distance and exact buoy geometry unavailable",
      "40-turn small-field adaptation; no added boat-type, turning or steering modifiers"
    ]
  },
  "event": {
    "id": "WAIHEKE1900-FLATBOTTOM",
    "name": "Waiheke · flat-bottom boats · OFFICIAL",
    "date": "1900-01-01",
    "stage": "Final",
    "parentEventId": null,
    "distanceMetres": null,
    "distanceProvenance": "Unavailable",
    "elapsedTime": null,
    "timeProvenance": "Unavailable"
  },
  "results": [
    {
      "place": 1,
      "crewName": "Gray Brothers",
      "entryId": "WAIHEKE1900-FLATBOTTOM:lane-1",
      "athleteId": null,
      "identityProvenance": "Reconstructed",
      "clubCode": null,
      "status": "FINISHED",
      "deadHeat": false,
      "marginToWinner": {
        "spaces": 0,
        "text": "Winner",
        "provenance": "Derived"
      },
      "rating": {
        "value": "C-20-D",
        "provenance": "Estimated",
        "basis": {
          "method": "Equal-strength practice placeholder",
          "historicalEvidence": "Named historical placed crew; no independent comparative ability evidence"
        }
      },
      "withdrawal": null
    },
    {
      "place": 2,
      "crewName": "H. & G. Day",
      "entryId": "WAIHEKE1900-FLATBOTTOM:lane-2",
      "athleteId": null,
      "identityProvenance": "Reconstructed",
      "clubCode": null,
      "status": "FINISHED",
      "deadHeat": false,
      "marginToWinner": {
        "spaces": 10,
        "text": "4 lengths",
        "provenance": "Derived"
      },
      "rating": {
        "value": "C-20-D",
        "provenance": "Estimated",
        "basis": {
          "method": "Equal-strength practice placeholder",
          "historicalEvidence": "Named historical placed crew; no independent comparative ability evidence"
        }
      },
      "withdrawal": null
    },
    {
      "place": 3,
      "crewName": "G. Pegler & C. Bassett [provisional]",
      "entryId": "WAIHEKE1900-FLATBOTTOM:lane-3",
      "athleteId": null,
      "identityProvenance": "Reconstructed",
      "clubCode": null,
      "status": "FINISHED",
      "deadHeat": false,
      "marginToWinner": {
        "spaces": 14,
        "text": "6 lengths",
        "provenance": "Derived"
      },
      "rating": {
        "value": "C-20-D",
        "provenance": "Estimated",
        "basis": {
          "method": "Equal-strength practice placeholder",
          "historicalEvidence": "Named historical placed crew; no independent comparative ability evidence"
        }
      },
      "withdrawal": null
    }
  ],
  "provenance": {
    "finish": "Derived from replay dice",
    "field": "Three named placed crews transcribed from supplied scan; complete starter count not explicitly stated",
    "lanes": "Reconstructed; shuffled at each fresh start",
    "ratings": "Estimated"
  },
  "verification": {
    "method": "Full 40-turn replay and adopted flat-bottom config/Publisher validation previously passed; source trace continuity rechecked for this package",
    "verifiedAt": "2026-10-23T14:22:54.246553Z",
    "sourceResultSHA256": "1e2eaf9dbfaf51e8dd54b119ab8670acb0e60aea5b8643e1966d453dc5c9d566"
  },
  "limitations": [
    "C. Bassett provisional surname reading; identities event-scoped",
    "Steersmen unnamed; complete starter count unavailable",
    "Measured distance and exact buoy geometry unavailable",
    "40-turn small-field adaptation; no added boat-type, turning or steering modifiers"
  ]
}