{
  "author": "Arhan Canli",
  "base_lake": "data/lake_sharadar",
  "claim_boundary": "This artifact proves a new physical Sharadar lake version differs only by explicit quarantine of the exact HDB zero-cash due-bill marker. The frozen source is preserved, no amount is imputed, no return data is opened, and no hypothesis is spent. It does not claim that a replay will reproduce, validate a strategy, or improve Sharpe.",
  "content_hash": "sha256:8dec4dac90c0f2646ac09f2dfcbb26f5bd500c8fcb8c2bcda795113f7a46f9a8",
  "corrected_lake": "data/corrections/hdb_zero_marker_c30b02bf34aa_materialized_v1/data/lake_sharadar",
  "correction": {
    "cash_amount_imputed": false,
    "corrected_partition_sha256": "sha256:cef369aea9a45d859bb32c2c99d437ebb620889afafefdc4ac08a0ca5c45f0e6",
    "other_rows_changed": false,
    "partition": "corporate_actions/instrument_id=XUSE:CASH:HDBUSD/year=2025/data.parquet",
    "rows_after": 3,
    "rows_before": 4,
    "rows_quarantined": 1,
    "source_partition_sha256": "sha256:a4985291c6eb3bbafd3f2e3df513dd5b98b11185914f746db04305475921de17"
  },
  "decision": "VERSIONED_LAKE_READY_FOR_EXACT_REPLAY",
  "hypotheses_spent": 0,
  "invariants": {
    "exactly_one_zero_marker_quarantined": true,
    "logical_preregistration_path_preserved": true,
    "original_partition_preserved_by_hash": true,
    "physical_version_is_content_addressed": true,
    "positive_august_11_dividend_preserved": true
  },
  "lineage": {
    "corporate_action_bytes": 171208695,
    "corporate_action_files": 48833,
    "corrected_corporate_actions_root": "sha256:51e79666067d46e5f679aff9867ddd4a7e6cd8ff150da2b583d5713537e32ea9",
    "hardlink_materialized_immutable_datasets": [
      "fundamentals",
      "ohlcv_1d",
      "universe_membership"
    ],
    "vendor_resolution_content_hash": "sha256:c30b02bf34aa40b2974c5b1c3623363a601e826b866c335714c8b5b909247775",
    "vendor_resolution_path": "artifacts/audit/hdb_dividend_vendor_resolution.json",
    "vendor_resolution_sha256": "sha256:3a88d804448b6316e548e226fe05a1d58e70de14b1cf2a927a800873e3ca7e6e",
    "zero_dividend_audit_path": "artifacts/audit/sharadar_zero_dividend.json",
    "zero_dividend_audit_sha256": "sha256:f2ffe310185266c9609983dc9f5f889605d716676637556ecd6d1719d36ba2ca"
  },
  "preregistration_logical_suffix": "data/lake_sharadar",
  "return_data_opened": false,
  "schema": "canli.alphac-sharadar-versioned-hdb-repair.v1"
}