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"witness_set", "arrival_skew", "source_witness" ], "max_sequence": 234750130655506666, "min_sequence": 4222129635849153, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 105575856, "row_groups": [ 50, 452 ], "sha256": "e8fc8a651ac0ae494c5bf57f8051319a315ab316b43796302a6ec414e9f18628" }, "tick_size_change": { "byte_range": [ 1244296421, 1244438941 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 234750130652788867, "min_sequence": 33495522248865062, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 3920, "row_groups": [ 453, 453 ], "sha256": "e670e9dce608392f070deb6d1108c8d7b419ca60924d16712899637f7c90c32f" } }, "row_count": 117737649, "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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