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"price", "size", "side", "best_bid", "best_ask", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 81346268489102739, "min_sequence": 281483353677267, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 41924501, "row_groups": [ 22, 181 ], "sha256": "9617366172ff070fdc0911a67d60b206c6e5c855ced276327531acbce04be372" }, "tick_size_change": { "byte_range": [ 536314573, 536589086 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 281483399963009, "min_sequence": 281483355939633, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 7524, "row_groups": [ 182, 182 ], "sha256": "e33114234f10d6a6471e412433ad25b86de5f48eb9778c2d4547c8d477a47f47" } }, "row_count": 46850021, "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, c, h, e)", "sha256": "c281514f569e61b003773ade47eed736a4cdad3ffcf10ed4db0e72b1c5e21c25", "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": "2026-08-30T18.witness_stats.json", "witnesses": "ache", "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." }