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"price", "size", "side", "best_bid", "best_ask", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 82190693830673210, "min_sequence": 281484332455326, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 31305456, "row_groups": [ 18, 137 ], "sha256": "52657b9bafcd4c37f9e5985e59e655d17c77523216fe95b057aed783fd0b69d1" }, "tick_size_change": { "byte_range": [ 386807297, 386844318 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 281484366567720, "min_sequence": 281484334174249, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 996, "row_groups": [ 138, 138 ], "sha256": "fa72936a264b4a8094c089ffd05941909321a1a0593c458fd0d59236adce6f7e" } }, "row_count": 34771810, "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": "d68a83281b03095d05e54fb7e6de2cdb883b12d38731b29215dfbf9cc1e92380", "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": "2026-08-31T06.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." }