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  "hour": "2026-09-01/12",
  "hour_utc": "2026-09-01T12:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 53198777172261363,
  "merger_git_sha": "4b62fc9b20e966fbf2a7877895dbf6e0f609dfb6",
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  "products": {
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      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198777172261359,
      "min_sequence": 281486410554095,
      "order_by": [
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        "timestamp",
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      "sha256": "c5bd53cc64bd1d99c5d6f50ac709ae4ec5fc3d2dd53df042d10614416d215907"
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    "book": {
      "byte_range": [
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      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198777172260431,
      "min_sequence": 281486410554550,
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    },
    "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": 53198777172260371,
      "min_sequence": 281486410556765,
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    "market_resolved": {
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      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198777153516509,
      "min_sequence": 281486411676456,
      "order_by": [
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        "sequence"
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      "row_count": 1031,
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      ],
      "sha256": "90967e0213dc019eb1c097506989dc65561661e449003a6492deb540d0b3d52c"
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    "new_market": {
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        121442237
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198777167024328,
      "min_sequence": 281486410871878,
      "order_by": [
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      "row_count": 821,
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      ],
      "sha256": "08a997978d4d17ec3e4fb2022aa7e44d570321631f8bfe042f1cf5ec832b61e6"
    },
    "price_change": {
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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": 53198777172261363,
      "min_sequence": 281486410554013,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 77420090,
      "row_groups": [
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      ],
      "sha256": "1073fd8c9f89c2f19f8f9bab611ec6665a6182587a4d83bedbb00f2fedcb2d8d"
    },
    "tick_size_change": {
      "byte_range": [
        853646910,
        853753604
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198777116147393,
      "min_sequence": 281486412720094,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2904,
      "row_groups": [
        322,
        322
      ],
      "sha256": "0e50a0819c7cac4034851088b0144cecdcdd0054fd825b8bac42fea0bc4a48cb"
    }
  },
  "row_count": 83330107,
  "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": "d1978b7e733201f091198518b8a73b2f154e7c0d347ebbb6cd851a18e171cad4",
  "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": "2026-09-01T12.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."
}