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1178770353 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "price", "size", "side", "best_bid", "best_ask", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 396316767214768011, "min_sequence": 16888500228891245, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 96384640, "row_groups": [ 45, 412 ], "sha256": "1f088b905d42ba14cc9ada33dd1161bd233299437fec8aaede0a34ed74dc27bc" }, "tick_size_change": { "byte_range": [ 1178770353, 1178883745 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 396316767213618298, "min_sequence": 16888500271720088, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 3060, "row_groups": [ 413, 413 ], "sha256": "b339fb8fbdab6db5b91504db71397a2e3cdc6faf8bcbc2286244e13589ee46b8" } }, "row_count": 107294569, "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": "b55a93766764eb5bacac1d0f850f0c35dfc1ceefbb99b4ae1e69839cedbe97ec", "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": "2026-09-28T09.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." }