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      "columns": [
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      "columns": [
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      "columns": [
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      "sha256": "645662012007094abde2733c778dadef8e129e2be4e27e57684c7eb4115328a5"
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    "tick_size_change": {
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      "columns": [
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        "sequence",
        "timestamp",
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        "new_tick_size",
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      "max_sequence": null,
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      "order_by": [
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      ],
      "sha256": null
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  },
  "row_count": 152120,
  "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": "649f243d3fc1f4947c80adc08a13b4949756e59b1ff1f3aa0d6d78f3b69aa4ec",
  "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": "2026-08-31T08.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."
}