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  "hour": "2026-09-01/15",
  "hour_utc": "2026-09-01T15:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 53198777465570909,
  "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": 53198777465570903,
      "min_sequence": 281486686048871,
      "order_by": [
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        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 7436752,
      "row_groups": [
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      ],
      "sha256": "bb7bd52b940d354e98edce227474f0a897fa1fc47303489aeecf4dccf9925513"
    },
    "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": 53198777464569632,
      "min_sequence": 281486686049251,
      "order_by": [
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      "sha256": "3c98e10b82d4b3c5951611a7f624f0cee1b3f55473ebaf346f3152e3d3e65f20"
    },
    "last_trade_price": {
      "byte_range": [
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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": 53198777458984274,
      "min_sequence": 281486686050639,
      "order_by": [
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        "timestamp",
        "sequence"
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    },
    "market_resolved": {
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        135431234,
        135569382
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 281486782621006,
      "min_sequence": 281486686059099,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 852,
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      ],
      "sha256": "2a6e593aca84395612accf01388b6cb71f7e35bffcc2b4a263984e00469a88d4"
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    "new_market": {
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        135569382,
        135635212
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198777463179735,
      "min_sequence": 281486686409492,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 597,
      "row_groups": [
        33,
        33
      ],
      "sha256": "9b8daf68ff983b6abfefb6356ba2300d5ae87b66a36125925904c2c61888ad85"
    },
    "price_change": {
      "byte_range": [
        135635212,
        995703024
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198777465570909,
      "min_sequence": 281486686048855,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 90869628,
      "row_groups": [
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        380
      ],
      "sha256": "90e2ef27254007583c9f61d1a83941c744df66656975dfced8b6754703c7edcf"
    },
    "tick_size_change": {
      "byte_range": [
        995703024,
        995811197
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 281486783050341,
      "min_sequence": 281486686424402,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2976,
      "row_groups": [
        381,
        381
      ],
      "sha256": "09fac8f0582f340b3fa9fef8b949f2cd7fb5d37d57bce3b7cc86fab412dc84a1"
    }
  },
  "row_count": 98869166,
  "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": "be1140f147ee686857349081aaef160349a1e321c749e87f783689c68ca3a3cf",
  "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": "2026-09-01T15.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."
}