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      "columns": [
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        "winning_asset_id",
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      "columns": [
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      "columns": [
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      "sha256": "2a2b974c040ce0deb16916e3a7757b79c5e2ed2dcfecd904458d05db368539d1"
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    "tick_size_change": {
      "byte_range": null,
      "columns": [
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        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
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      "max_sequence": null,
      "min_sequence": null,
      "order_by": [
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      "row_groups": [
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      ],
      "sha256": null
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  },
  "row_count": 586290,
  "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: a, c, h, e)",
  "sha256": "897e1933e5100fe18c354fec5ca5ef023c0a6e0422dc173a7d3a04197d15dd83",
  "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": "2026-08-31T07.witness_stats.json",
  "witnesses": "ache",
  "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."
}