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  "hour": "2026-09-02/07",
  "hour_utc": "2026-09-02T07:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 53198778508547266,
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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": 53198778508547250,
      "min_sequence": 281487726254070,
      "order_by": [
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        "timestamp",
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      "sha256": "a302ebbac52b77d14fd2596c1b44995fa342d4feea21a5de2350ca359222431c"
    },
    "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": 53198778506666520,
      "min_sequence": 281487726257645,
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      "sha256": "5dc2da62159ba0d6f94b3843602d3220da03e1dd696a45956d11f8bfede3d69e"
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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": 53198778507771926,
      "min_sequence": 281487726262242,
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      "sha256": "8ce47f3b57d10bd4d9c5b90b26add06284dc8899e89f1a27c8931147ab9bffdc"
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    "market_resolved": {
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        152475091
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 12947848931892824,
      "min_sequence": 281487726279080,
      "order_by": [
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      ],
      "row_count": 5960,
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      "sha256": "dd3dff60fe5b23d4445edff2d41e54b5d09f1156e631d024be9675b99ab341d1"
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    "new_market": {
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        153706486
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198778503331101,
      "min_sequence": 281487726583818,
      "order_by": [
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        "timestamp",
        "sequence"
      ],
      "row_count": 9475,
      "row_groups": [
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      ],
      "sha256": "3347841a455339968e362dc8c982be7cf5010d610aec294f4612e3aae73cb6f4"
    },
    "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": 53198778508547266,
      "min_sequence": 281487726254012,
      "order_by": [
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        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 81065088,
      "row_groups": [
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      ],
      "sha256": "7243264d354462697cbe92d5c79f1fd26d796583b3c13c48b7d670e14a210d0c"
    },
    "tick_size_change": {
      "byte_range": [
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        898678249
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 281487815203914,
      "min_sequence": 281487728261352,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2196,
      "row_groups": [
        349,
        349
      ],
      "sha256": "02937e7ff64713ab64714d94b97cacbd8b3bd4fc677565c9b3f38330ef9e2f09"
    }
  },
  "row_count": 90364847,
  "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: c, h, e)",
  "sha256": "470b6e5c80dc8f70e6c1dac10d87a491fdfcf8fe6d9f2429b29d623dbdb15035",
  "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": "2026-09-02T07.witness_stats.json",
  "witnesses": "che",
  "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."
}