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  "hour": "2026-09-01/06",
  "hour_utc": "2026-09-01T06:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 53198776648328205,
  "merger_git_sha": "4b62fc9b20e966fbf2a7877895dbf6e0f609dfb6",
  "min_sequence": 281485892335895,
  "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": 53198776648328185,
      "min_sequence": 281485892335935,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 6969190,
      "row_groups": [
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      ],
      "sha256": "be9e58af16e5582c7c8a8d291c090f88b22b6df2b7871d893a72374e5303ce30"
    },
    "book": {
      "byte_range": [
        78120047,
        129598405
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776647428329,
      "min_sequence": 281485892336367,
      "order_by": [
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        "timestamp",
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      ],
      "row_count": 565386,
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      ],
      "sha256": "aaa5a5b5e84d30f5cb8d1fd127c4edf16b40287b9676f75e4374c518e8c212e6"
    },
    "last_trade_price": {
      "byte_range": [
        129598405,
        132372839
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776639956531,
      "min_sequence": 281485892336651,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
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      "row_count": 48936,
      "row_groups": [
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      ],
      "sha256": "375afadd59a048530a79273c5b82b62f2c4652f7a0a45363130ffeb1480bd527"
    },
    "market_resolved": {
      "byte_range": [
        132372839,
        132521417
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776588077631,
      "min_sequence": 281485894057411,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 905,
      "row_groups": [
        31,
        31
      ],
      "sha256": "3917e5a68ec7570ee117b0767c82febdce04b63a63ec5e25b8ddadd54611847a"
    },
    "new_market": {
      "byte_range": [
        132521417,
        132693666
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776646666834,
      "min_sequence": 281485892705627,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1681,
      "row_groups": [
        32,
        32
      ],
      "sha256": "055b165066c005599b71f31525b845a00eade706b90a46707fe7469d74a9bb87"
    },
    "price_change": {
      "byte_range": [
        132693666,
        803031849
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776648328205,
      "min_sequence": 281485892335895,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 73116012,
      "row_groups": [
        33,
        311
      ],
      "sha256": "ff1b7aa15eeadb12cc698581dcd6d87ff74141cffd0654acfeee491fb4272444"
    },
    "tick_size_change": {
      "byte_range": [
        803031849,
        803102996
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 281485971770551,
      "min_sequence": 281485892499641,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1926,
      "row_groups": [
        312,
        312
      ],
      "sha256": "3ae1a9e2c36704b00c7422f6faf2bef067db75a47876c40a48482a421a2294c6"
    }
  },
  "row_count": 80704036,
  "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": "7c37a8f78310710af0854516cf34fa5707e97e9adb79e8e539a44c2ed5367efa",
  "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": "2026-09-01T06.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."
}