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"timestamp", "sequence" ], "row_count": 5764, "row_groups": [ 523, 523 ], "sha256": "dd12cc1e3fcf9e304587bc8fb33c8f18cd84f04ea55f9a9bcca6f1f59c0850bc" } }, "row_count": 135995069, "sequence_note": "sequence and timestamp_received are collector-local provenance; where domains carry the same row, the merge keeps the EARLIEST-RECEIVED copy, equal arrivals breaking by registry order (active: c, h, g, i, k). The winner is per row, not per hour -- each row names its own in source_witness", "sha256": "8b98c2ad45863973fe33866b493dd4bf16b995d6a9130576f937dea12e93b9d9", "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 == .sha256", "secondary": "curl -r - | sha256sum == .products..sha256" }, "witness_stats": "2026-09-27T18.witness_stats.json", "witnesses": "chgik", "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." }