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"best_ask", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 234750130768170068, "min_sequence": 4222129752300172, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 101633724, "row_groups": [ 48, 435 ], "sha256": "d7649ac6e50e8ea5839d583593c05045d639d937b1f85fedb0eefe1dad98bec5" }, "tick_size_change": { "byte_range": [ 1171484969, 1171612312 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 234750130765994814, "min_sequence": 4222129777721174, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 3504, "row_groups": [ 436, 436 ], "sha256": "8c539b8090439f0b758b1a8b755df8c97004db073e63255880a086b3e40a8527" } }, "row_count": 113133812, "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). 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