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  "hour_utc": "2026-08-31T20:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 53198775974577832,
  "merger_git_sha": "4b62fc9b20e966fbf2a7877895dbf6e0f609dfb6",
  "min_sequence": 281485223354700,
  "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": 53198775974577826,
      "min_sequence": 281485223354700,
      "order_by": [
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        "timestamp",
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      "row_groups": [
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      ],
      "sha256": "766a9579463c885ed5705d89c7cbf0a6b2b497c4298e42096a3c9ae498e7ff48"
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    "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": 53198775974577588,
      "min_sequence": 281485223355073,
      "order_by": [
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        "asset_id",
        "timestamp",
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      ],
      "row_count": 220101,
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      ],
      "sha256": "d91c03f1c39510e7d33cb309aaee7eb25ad149a30081a9a4ee01a30beab08fb2"
    },
    "last_trade_price": {
      "byte_range": [
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        112679581
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198775970084114,
      "min_sequence": 281485223356926,
      "order_by": [
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        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 73196,
      "row_groups": [
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      "sha256": "4c813bdad20197b74ed3382799595b55447563c91f7124d7d1fcbf3968317103"
    },
    "market_resolved": {
      "byte_range": [
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        112999090
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198775955136915,
      "min_sequence": 281485223468418,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2031,
      "row_groups": [
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      ],
      "sha256": "79356a95088d7afba1401c939e00d7c5d2ae738fe9bd6c65d4b12ddc167adc05"
    },
    "new_market": {
      "byte_range": [
        112999090,
        113222084
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198775972654275,
      "min_sequence": 281485223678670,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1985,
      "row_groups": [
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      ],
      "sha256": "45e2f8efd1555a93a12f305e0bb18fd603450170697e158fc5c943abfb177790"
    },
    "price_change": {
      "byte_range": [
        113222084,
        826643696
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198775974577832,
      "min_sequence": 281485223354702,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 71356376,
      "row_groups": [
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      ],
      "sha256": "aa3bc865d21c8b9a662384469fcd98e31d3bd18b0b185fe49c78a69b08efdddb"
    },
    "tick_size_change": {
      "byte_range": [
        826643696,
        826780888
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 281485300807839,
      "min_sequence": 281485223521442,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 3788,
      "row_groups": [
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      ],
      "sha256": "3f5541a27bc38f9dfc5b7fe08191e5a5d81849b73bcf23340264cf5f1029976c"
    }
  },
  "row_count": 78445653,
  "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": "324f7589c807f3c117b2140ef1249590de3c7356c6762aa94803c89e29bb0f3f",
  "supersedes": {
    "manifest_sha256": "3881da307fc956d147556b67049b1a3c3edf2565fb5c80f9d129fe39ee12c4ab",
    "reason": "witnesses_added",
    "row_count_before": 78445653,
    "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": "2026-08-31T20.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."
}