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"timestamp_received", "sequence", "timestamp", "market", "asset_id", "price", "size", "side", "best_bid", "best_ask", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 130604389261005070, "min_sequence": 281478077183404, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 92227552, "row_groups": [ 46, 397 ], "sha256": "b2288271b953c0fbd5172e3bdf02fd326da6523c9d6bc0da41fdf65bb14830ab" }, "tick_size_change": { "byte_range": [ 1134542688, 1134652844 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 50946971339340415, "min_sequence": 281478080375198, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 2976, "row_groups": [ 398, 398 ], "sha256": "1f7b8f6aec85107f936f859d5b65763a4a208f360499de13df7d8cd5d4126024" } }, "row_count": 103525245, "sequence_note": "sequence and timestamp_received are collector-local provenance; where domains carry the same row, the merge keeps the LAST ACTIVE domain's values -- for this hour, domain e (active: a, b, c, h, e)", "sha256": "71a72930ce2d9c6c665d9dbd4a6468b07f36103d80f85c653fdcf3096a30f5ef", "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" }, "witnesses": "abche", "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." }