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      "row_groups": [
        3,
        3
      ],
      "sha256": "cea2a6f4a4843e9e14eb269acab6becdbd5dc5ef22ac7020370fc349e0a52601"
    },
    "new_market": {
      "byte_range": [
        22344853,
        22433111
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776140858094,
      "min_sequence": 281485464129340,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 812,
      "row_groups": [
        4,
        4
      ],
      "sha256": "53b04b5b8cbaf06216bdb35371e05253a25a48ffd43cd345669c0580bb27e164"
    },
    "price_change": {
      "byte_range": [
        22433111,
        64348558
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53198776141132278,
      "min_sequence": 281485464119378,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2456958,
      "row_groups": [
        5,
        14
      ],
      "sha256": "3cedcefec806bd10c9dcf666efe9b7862ecdf1b41ac15612fa4eb001d1e34fe2"
    },
    "tick_size_change": {
      "byte_range": [
        64348558,
        64351558
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 281485466242156,
      "min_sequence": 281485466241377,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 28,
      "row_groups": [
        15,
        15
      ],
      "sha256": "43c097f012dd096fad9c681d717f8a30599b0fa4b6e2cdce514b66286cf87350"
    }
  },
  "row_count": 2873621,
  "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": "5ac69840e305c5e20968c50cfa22b1ab3944f628d4a3cb93435e968b98507c5b",
  "supersedes": {
    "manifest_sha256": "9e23c0b61bb2c95118b38c800f13685f715bb891a3e7f38a341691db78d6d696",
    "reason": "witnesses_added",
    "row_count_before": 2873621,
    "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": "2026-09-01T00.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."
}
