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"row_groups": [ 34, 34 ], "sha256": "4f465d4ff00cf09f9d2b80b435f70677bc3c1dd5f42b1e50237578df5838a15a" }, "price_change": { "byte_range": [ 123057815, 695821666 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "price", "size", "side", "best_bid", "best_ask", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 376332043955737528, "min_sequence": 15199648956404473, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 57765000, "row_groups": [ 35, 255 ], "sha256": "f2cd527a0acec1b17dcec6bc1a68a47a0f8e568423f54f5e01de1eebd7d7cc0d" }, "tick_size_change": { "byte_range": [ 695821666, 696012776 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 376332043954852582, "min_sequence": 15199648958207975, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 5220, "row_groups": [ 256, 256 ], "sha256": "478ab952443c98fa359d5cf2f404c10892e2088cbbdcdd1ab20cd938385ec2cf" } }, "row_count": 65995477, "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, g, i, k). The winner is per row, not per hour -- each row names its own in source_witness", "sha256": "fa682da466f8d966897c7fbea6038b79f4aa63b591956d071588cbde9a0afb4d", "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": "2026-09-27T04.witness_stats.json", "witnesses": "chgik", "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." }