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  "hour_utc": "2026-09-01T22:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 53198778090827238,
  "merger_git_sha": "4b62fc9b20e966fbf2a7877895dbf6e0f609dfb6",
  "min_sequence": 281487351321017,
  "products": {
    "best_bid_ask": {
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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": 53198778090452208,
      "min_sequence": 281487351321459,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 3813232,
      "row_groups": [
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      ],
      "sha256": "c6107caac297c8886de9332af78c2a596f4bf5c82179f25819878f8c3f2f8470"
    },
    "book": {
      "byte_range": [
        58448102,
        115090626
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198778090827140,
      "min_sequence": 281487351325725,
      "order_by": [
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        "asset_id",
        "timestamp",
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      ],
      "row_count": 620479,
      "row_groups": [
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      ],
      "sha256": "3310154a6514793e43c1561fa32db93b6664d20e9e23138eb28f665a10e4d608"
    },
    "last_trade_price": {
      "byte_range": [
        115090626,
        117281133
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198778090478734,
      "min_sequence": 281487351324574,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 38245,
      "row_groups": [
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      ],
      "sha256": "2b46c1fb6b40e4e138c54ba867c198c415dd6a61883ffa74f5c9845efa263d88"
    },
    "market_resolved": {
      "byte_range": [
        117281133,
        117709209
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198778090824422,
      "min_sequence": 281487351702185,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2694,
      "row_groups": [
        19,
        19
      ],
      "sha256": "c39d8b9b9fed4a3ad5821c7ebfbaf428db9f34405ff885aa62bbcaf28e94b195"
    },
    "new_market": {
      "byte_range": [
        117709209,
        117898840
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198778090827238,
      "min_sequence": 281487351365708,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1606,
      "row_groups": [
        20,
        20
      ],
      "sha256": "a7b2735db5fe3feffb63c5fe5cbf25bc1c6607180e1f65419a44ca5916801527"
    },
    "price_change": {
      "byte_range": [
        117898840,
        595233067
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198778090738822,
      "min_sequence": 281487351321017,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 49086404,
      "row_groups": [
        21,
        208
      ],
      "sha256": "edb0f5f685ba7e40e095f506ee1f0aa2c76257d5bd4f786b9fa0b36cc4471570"
    },
    "tick_size_change": {
      "byte_range": [
        595233067,
        595310339
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 281487403884493,
      "min_sequence": 281487352137020,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2136,
      "row_groups": [
        209,
        209
      ],
      "sha256": "487df28ab84a3451cda3ec4d8dd6aecc870eb75f8b21accfd7dbbc1da9c7f16c"
    }
  },
  "row_count": 53564796,
  "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": "5cd4e6b10bba51f9d54d6ac16637a1009b7ef824c4ed21b4fdaadf8787925dd9",
  "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": "2026-09-01T22.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."
}
