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  "hour": "2026-09-02/08",
  "hour_utc": "2026-09-02T08:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 53198778600128987,
  "merger_git_sha": "4b62fc9b20e966fbf2a7877895dbf6e0f609dfb6",
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  "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": 53198778600128939,
      "min_sequence": 281487815955579,
      "order_by": [
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        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 8430246,
      "row_groups": [
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      ],
      "sha256": "678e1a51672492c1b8ba5574023519b0d89b86da1ec85ad2089f961d140e3bdf"
    },
    "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": 53198778598364791,
      "min_sequence": 281487815959619,
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      "sha256": "d9a5699f9b8672bbe0aff2e34901a92504f7351f28e3694b9f4a1c03413c4199"
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    "last_trade_price": {
      "byte_range": [
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        150186936
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198778597705840,
      "min_sequence": 281487815957716,
      "order_by": [
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        "asset_id",
        "timestamp",
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      ],
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    "market_resolved": {
      "byte_range": [
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        150302064
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198778518927786,
      "min_sequence": 281487817891008,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 756,
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      ],
      "sha256": "c6edcfd555a0177070ce0029b036aeef1d5222da5c5a82c7d93d780b3b01577f"
    },
    "new_market": {
      "byte_range": [
        150302064,
        150376492
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198778587920491,
      "min_sequence": 281487816278385,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 622,
      "row_groups": [
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        38
      ],
      "sha256": "70c0226a0b3a496d9e795271f5ab4a79df5db8490844245b097ac7a90cd0699d"
    },
    "price_change": {
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        920804059
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198778600128987,
      "min_sequence": 281487815955464,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 83042222,
      "row_groups": [
        39,
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      ],
      "sha256": "28c37b50c191d4321312b3c37a5209d60418c93988323ec9a9de94626dcda739"
    },
    "tick_size_change": {
      "byte_range": [
        920804059,
        920901632
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 281487906504622,
      "min_sequence": 281487816799250,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2644,
      "row_groups": [
        356,
        356
      ],
      "sha256": "e1ba239217f64a904b5a27fef55a9f06be20e04aaa54ea209af0fcd422912b03"
    }
  },
  "row_count": 92072101,
  "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": "d8ac67b85edf578f65adc0d4eb462d21dfffa4d61f580b3fbed570b1ec3a1d2f",
  "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": "2026-09-02T08.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."
}