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"row_count": 2320, "row_groups": [ 477, 477 ], "sha256": "4a40655e7ef2ada7aa89cc3259d04e0fd50a7a86e4fe5eec0e4b96aef4580e68" } }, "row_count": 123906225, "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, f, i, k). The winner is per row, not per hour -- each row names its own in source_witness", "sha256": "616c35e8684a74878d003744c7a2f7cea512678a5964c322e39de18a3ccdea5f", "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": "2026-09-22T23.witness_stats.json", "witnesses": "chfik", "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." }