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"min_sequence": 10414574374452157, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 118670338, "row_groups": [ 73, 525 ], "sha256": "a43dbc299f1dacad81f38c5baedaafdb92df80fad48022b2b63e67303edc8d31" }, "tick_size_change": { "byte_range": [ 1561913414, 1562117540 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 354095520702763524, "min_sequence": 10414574379056085, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 5588, "row_groups": [ 526, 526 ], "sha256": "cba1810dfb85063255942a9391220cfd3284c0be8c416aa3b5cd98d3ceee7689" } }, "row_count": 136924125, "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, i, k). The winner is per row, not per hour -- each row names its own in source_witness", "sha256": "1c9f72d09fc11c07e1f6c5696a44f25716e8a1844a0080db77e4af2ce8ffbd5a", "skipped_witnesses": { "g": { "alive": false, "listed_utc": "2026-09-26T22:52:03.892975Z", "newest_upload": "2026-09-25T15:20:05.378000Z", "reason": "not_staged" } }, "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": "2026-09-26T18.witness_stats.json", "witnesses": "chik", "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." }