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"row_count": 4164, "row_groups": [ 431, 431 ], "sha256": "9503939ae375964c0582b83d67e3e12291dfae02ed11ee4bd663f479cf0104ca" } }, "row_count": 112002660, "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, e, f, g). The winner is per row, not per hour -- each row names its own in source_witness", "sha256": "deb79ac8f2251edfd0fc802fc2fdc16b082b362d4fe5b03780462a6f3873ef79", "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": "2026-09-20T08.witness_stats.json", "witnesses": "chefg", "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." }