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  "hour_utc": "2026-09-01T02:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 53198776306708385,
  "merger_git_sha": "4b62fc9b20e966fbf2a7877895dbf6e0f609dfb6",
  "min_sequence": 281485543868237,
  "products": {
    "best_bid_ask": {
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        90571453
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776306708365,
      "min_sequence": 281485543868317,
      "order_by": [
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        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 8366434,
      "row_groups": [
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      ],
      "sha256": "31be6e994f11d4096a89262caaa02a6562acfe73a7d19750345a4761d8902163"
    },
    "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": 53198776305557190,
      "min_sequence": 281485543873817,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
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      ],
      "row_count": 279338,
      "row_groups": [
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      ],
      "sha256": "e1ba2d12d7005dcd586c71b1f3d260a0bb601714bd8ed6d04c554ac1502202b3"
    },
    "last_trade_price": {
      "byte_range": [
        119631694,
        122769512
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776302642673,
      "min_sequence": 281485543876935,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 56286,
      "row_groups": [
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      ],
      "sha256": "ff83ed40671d6f9c2816dc9af2f4b55b0d9bb8cbfec18eb752d2d7e27dcd2311"
    },
    "market_resolved": {
      "byte_range": [
        122769512,
        122921320
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776270297377,
      "min_sequence": 281485544968256,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 927,
      "row_groups": [
        35,
        35
      ],
      "sha256": "48ebe9aaf07da5471ac6ed21bff4e5d66fdafc0542b17c169cd92907d3441792"
    },
    "new_market": {
      "byte_range": [
        122921320,
        123044718
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776306459729,
      "min_sequence": 281485544190186,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1092,
      "row_groups": [
        36,
        36
      ],
      "sha256": "49607975dc1ddac19c670f3ea3674062fff7582666df636ea9fa1dfb98810208"
    },
    "price_change": {
      "byte_range": [
        123044718,
        866231977
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776306708385,
      "min_sequence": 281485543868237,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 80049056,
      "row_groups": [
        37,
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      ],
      "sha256": "2829ed9dbcb23975252fa6a248e3532a102e1d4f09f5a69bb9360e521c70412c"
    },
    "tick_size_change": {
      "byte_range": [
        866231977,
        866325828
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 281485631893628,
      "min_sequence": 281485546909080,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2596,
      "row_groups": [
        343,
        343
      ],
      "sha256": "a3ca06e85361bc217b532a8a55c92589d337570465d076c770d5bfb0e4dc73db"
    }
  },
  "row_count": 88755729,
  "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": "e83321989d91b4d4d210e88998e984f6ceb81eebf05596476f75df0a11daed0d",
  "supersedes": {
    "manifest_sha256": "b176ef33d9a3a0f99facafad7860baace512996b5b99733315e39dc2f2eb2ba9",
    "reason": "witnesses_added",
    "row_count_before": 88755729,
    "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": "2026-09-01T02.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."
}