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  "hour_utc": "2026-08-31T22:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 53198776119624291,
  "merger_git_sha": "4b62fc9b20e966fbf2a7877895dbf6e0f609dfb6",
  "min_sequence": 281485363568654,
  "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": 53198776119624279,
      "min_sequence": 281485363568706,
      "order_by": [
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        "asset_id",
        "timestamp",
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      "row_count": 7188427,
      "row_groups": [
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      ],
      "sha256": "de6cdfff5c546f9dc4df6bfc8947141659b9f7cbc512b9349991256e5db50252"
    },
    "book": {
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      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776119615777,
      "min_sequence": 281485363569206,
      "order_by": [
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        "asset_id",
        "timestamp",
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      ],
      "row_count": 121732,
      "row_groups": [
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      ],
      "sha256": "938bdce5a7775a95cf500f379fd8dedb0c1463e62f73dc12fbb31e8874d5b10f"
    },
    "last_trade_price": {
      "byte_range": [
        101801067,
        104920226
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776118327130,
      "min_sequence": 281485363570373,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 54874,
      "row_groups": [
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      "sha256": "5814f957db5d83af15d77b887a9524d52630e67316387ecadc6aa2f4602f1f47"
    },
    "market_resolved": {
      "byte_range": [
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        105149316
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776073146091,
      "min_sequence": 281485365443726,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1409,
      "row_groups": [
        30,
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      ],
      "sha256": "88a1476656d77ac81213a23638b194099e251ca785904d68f8ad427f477cef0b"
    },
    "new_market": {
      "byte_range": [
        105149316,
        105284297
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776112346125,
      "min_sequence": 281485363825297,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1163,
      "row_groups": [
        31,
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      ],
      "sha256": "01f8dcc4b5930886da0fde25ef4f1e80c08cea1c53786fe85bb84d0d58c6a624"
    },
    "price_change": {
      "byte_range": [
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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": 53198776119624291,
      "min_sequence": 281485363568654,
      "order_by": [
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        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 74850818,
      "row_groups": [
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      ],
      "sha256": "a6f999697e5d599b789ad9c4445c6c2a120bc1578f60582f6841d2baa9e24c61"
    },
    "tick_size_change": {
      "byte_range": [
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        822709065
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 281485442535821,
      "min_sequence": 281485366177058,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2140,
      "row_groups": [
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      ],
      "sha256": "f9196daa3438d75bcd431af7d3e189779839d1e2bb6425c11b52ae85bafc75e6"
    }
  },
  "row_count": 82220563,
  "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: b, c, h, e)",
  "sha256": "7cadfded2b05b067f4874e25d57ca96552586c6447d2f4828b808184469114b1",
  "supersedes": {
    "manifest_sha256": "af5ef2304e7fb39a0e598826552c44210692a095c1f97490db78c8204aaf1ade",
    "reason": "witnesses_added",
    "row_count_before": 82220563,
    "witnesses_before": "che"
  },
  "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": "2026-08-31T22.witness_stats.json",
  "witnesses": "bche",
  "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."
}