{
  "computation_version": "canonical-record-1.0.0",
  "source_ledger_head_hash": "e2c210fe13bc0e1449fe147bf7e6357aa038fef47fd1e50558b2ef7191e27fb7",
  "source_ledger_lines": 270,
  "through_date": "2026-07-25",
  "counts": {
    "raw_ledger_result_entries": 59,
    "effective_unique_results": 51,
    "declared_supersessions": 8,
    "unique_picks": 59,
    "pending_selections": 8,
    "conflicts": 0
  },
  "totals": {
    "wins": 11,
    "losses": 35,
    "voids": 5,
    "record": "11-35",
    "effective_scored_selections": 51,
    "flat_2_dollar_pl": -24.74,
    "roi": -0.268913,
    "roi_pct": -26.9
  },
  "supersession_declarations": [
    {
      "canonical_result_key": {
        "card_date": "2026-07-23",
        "pick": "4",
        "race": 2,
        "track": "DMR"
      },
      "superseded_entry_line": 123,
      "canonical_entry_line": 143,
      "settlement_values_agree": true,
      "enriched_fields": [
        "finish_pos",
        "closing_decimal_odds",
        "drift_vs_ml"
      ]
    },
    {
      "canonical_result_key": {
        "card_date": "2026-07-23",
        "pick": "8",
        "race": 2,
        "track": "DMR"
      },
      "superseded_entry_line": 124,
      "canonical_entry_line": 144,
      "settlement_values_agree": true,
      "enriched_fields": []
    },
    {
      "canonical_result_key": {
        "card_date": "2026-07-23",
        "pick": "8",
        "race": 6,
        "track": "DMR"
      },
      "superseded_entry_line": 125,
      "canonical_entry_line": 145,
      "settlement_values_agree": true,
      "enriched_fields": [
        "finish_pos",
        "closing_decimal_odds",
        "drift_vs_ml"
      ]
    },
    {
      "canonical_result_key": {
        "card_date": "2026-07-23",
        "pick": "9",
        "race": 8,
        "track": "DMR"
      },
      "superseded_entry_line": 126,
      "canonical_entry_line": 146,
      "settlement_values_agree": true,
      "enriched_fields": [
        "finish_pos",
        "closing_decimal_odds",
        "drift_vs_ml"
      ]
    },
    {
      "canonical_result_key": {
        "card_date": "2026-07-23",
        "pick": "3",
        "race": 1,
        "track": "SAR"
      },
      "superseded_entry_line": 116,
      "canonical_entry_line": 130,
      "settlement_values_agree": true,
      "enriched_fields": [
        "finish_pos",
        "closing_decimal_odds",
        "drift_vs_ml"
      ]
    },
    {
      "canonical_result_key": {
        "card_date": "2026-07-23",
        "pick": "2",
        "race": 4,
        "track": "SAR"
      },
      "superseded_entry_line": 117,
      "canonical_entry_line": 131,
      "settlement_values_agree": true,
      "enriched_fields": [
        "finish_pos",
        "closing_decimal_odds",
        "drift_vs_ml"
      ]
    },
    {
      "canonical_result_key": {
        "card_date": "2026-07-23",
        "pick": "5",
        "race": 4,
        "track": "SAR"
      },
      "superseded_entry_line": 118,
      "canonical_entry_line": 132,
      "settlement_values_agree": true,
      "enriched_fields": []
    },
    {
      "canonical_result_key": {
        "card_date": "2026-07-23",
        "pick": "5",
        "race": 7,
        "track": "SAR"
      },
      "superseded_entry_line": 119,
      "canonical_entry_line": 133,
      "settlement_values_agree": true,
      "enriched_fields": [
        "finish_pos",
        "closing_decimal_odds",
        "drift_vs_ml"
      ]
    }
  ],
  "notes": {
    "dedup_rule": "results are keyed by (track, card_date, race, pick); when a key has more than one entry the later, authoritatively-sourced entry is effective and the earlier provisional one is retained as history",
    "totals_unchanged": "the canonical reader always counted each key once, so these totals are identical to those published before the supersessions were declared explicitly"
  }
}