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1075795559 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "price", "size", "side", "best_bid", "best_ask", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 234750130874554059, "min_sequence": 4222129864623133, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 94586066, "row_groups": [ 49, 409 ], "sha256": "76c9b515343c8a12f1ee4cade9dd554a1208f6bf9a304cda460bd5bc4054903f" }, "tick_size_change": { "byte_range": [ 1075795559, 1075921380 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 234750130873754880, "min_sequence": 4222129868755593, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 3448, "row_groups": [ 410, 410 ], "sha256": "2c9f45567356847f30bf7223d504934c755df809db8b30b9106805a52327cc4c" } }, "row_count": 106440753, "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": "e285f8508ef483f879e3e185b28ff11e87d7e7ccc1081977f051ff43ae1f072e", "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": "2026-09-18T04.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." }