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  "hour_utc": "2026-08-31T18:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 53198775795423082,
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      "columns": [
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        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
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      "max_sequence": 53198775795423064,
      "min_sequence": 281485025274496,
      "order_by": [
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      "sha256": "ed1fb77081d51c93064d19bb83ee1182db2244a7346c35b4515927297f93df1f"
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    "book": {
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      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198775794617545,
      "min_sequence": 281485025274978,
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      "sha256": "9cbd567b1cd4327263513c61b0d44b78bad4dd9a301567d797b6ba9eb0c0a0f1"
    },
    "last_trade_price": {
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      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198775790839758,
      "min_sequence": 281485025276394,
      "order_by": [
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        "timestamp",
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    },
    "market_resolved": {
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        114822335
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198775751506793,
      "min_sequence": 281485025363615,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1889,
      "row_groups": [
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      "sha256": "c3a3da478d13f206fdd7f0aa089c9b8b5b8e0c0a2691fad795a587650f5c61d5"
    },
    "new_market": {
      "byte_range": [
        114822335,
        114994810
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198775791659005,
      "min_sequence": 281485025472484,
      "order_by": [
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      ],
      "row_count": 1471,
      "row_groups": [
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      ],
      "sha256": "673e9ac65fa2aab15cd95fef6993a06a1db0999d98c3242c92c6094a6b44f9b0"
    },
    "price_change": {
      "byte_range": [
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      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198775795423082,
      "min_sequence": 281485025274498,
      "order_by": [
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        "timestamp",
        "sequence"
      ],
      "row_count": 89330728,
      "row_groups": [
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      "sha256": "7344c9e8a3a063f8f3a6b85769f467433d97b77c2f7a8c4767263eef1fe2f4c0"
    },
    "tick_size_change": {
      "byte_range": [
        970415696,
        970587066
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 281485122457470,
      "min_sequence": 281485027799738,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 4680,
      "row_groups": [
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      ],
      "sha256": "61aeb2848d598e3e7ceca110d819c6187281cbd29cb342998b9c5baa2a95ac4a"
    }
  },
  "row_count": 98002073,
  "sequence_note": "sequence and timestamp_received are collector-local provenance; where domains carry the same row, the merge keeps the LAST ACTIVE domain's values -- for this hour, domain e (active: b, c, h, e)",
  "sha256": "a044e8d844a199866e473f696fdf6f199fd6ea100342683252a7afb9e76892ac",
  "supersedes": {
    "manifest_sha256": "98535641b8882c20756adfc2e15d67fdcbfaa2eaff5666e4afd3d498066d1906",
    "reason": "witnesses_added",
    "row_count_before": 98002073,
    "witnesses_before": "che"
  },
  "verification": {
    "note": "A range digest certifies BYTES. That those bytes are that product comes from this manifest and is cross-checkable against the Parquet footer, which is inside the whole-file sha256.",
    "primary": "sha256sum <file> == .sha256",
    "secondary": "curl -r <start>-<end-1> <url> | sha256sum == .products.<name>.sha256"
  },
  "witness_stats": "2026-08-31T18.witness_stats.json",
  "witnesses": "bche",
  "served_verbatim": true,
  "served_note": "This hour is the merger's union file, published byte for byte. Hours before the era cutover are rebuilt here from the seven product files and carry one column fewer."
}