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{ "best_bid_ask": { "byte_range": [ 4, 115317618 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "best_bid", "best_ask", "spread", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 286260051360808586, "min_sequence": 8162775887903198, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 10225500, "row_groups": [ 0, 39 ], "sha256": "a7d03f85a2b3c31de15e9b30e6c5d70c0f6440f8edbb6f5da2c3791eff115042" }, "book": { "byte_range": [ 115317618, 184167542 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "bids", "asks", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 286260051360805733, "min_sequence": 8162775888426434, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 1192636, "row_groups": [ 40, 44 ], "sha256": "66b967495ff432270c3d2bbb56fe1bda0bb31b3828fba39140a76036b1d74467" }, "last_trade_price": { "byte_range": [ 184167542, 188007532 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], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "id", "assets_ids", "outcomes", "question", "slug", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 286260051355375650, "min_sequence": 8162775892377690, "order_by": [ "market", "id", "timestamp", "sequence" ], "row_count": 210, "row_groups": [ 47, 47 ], "sha256": "0c921a4f39c768e7130635daadfc8591083213ce798e31a76bc75ed46fc8adcf" }, "price_change": { "byte_range": [ 188138401, 1266829381 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "price", "size", "side", "best_bid", "best_ask", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 286260051360808602, "min_sequence": 8162775887882701, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 109029878, "row_groups": [ 48, 463 ], "sha256": "2c6225b39ab9634411c7f18e8d403b3c300382d6bffcfb0f3c26db7757722a29" }, "tick_size_change": { "byte_range": [ 1266829381, 1266928446 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 286260051358310587, "min_sequence": 8162775928615723, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 2712, "row_groups": [ 464, 464 ], "sha256": "de7c101a226d83bfe02918e6bb66ad93af61be587ca1fe87830b805154e04bf7" } }, "row_count": 120520752, "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). The winner is per row, not per hour -- each row names its own in source_witness", "sha256": "9fde92d9332559ecfd872859e960a9e3d2fb684eb8da0e23aaf1f1d4b88702e0", "skipped_witnesses": { "g": { "alive": false, "listed_utc": "2026-09-21T10:42:56.718554Z", "newest_upload": "2026-09-20T20:20:39.551000Z", "reason": "not_staged" } }, "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": "2026-09-21T09.witness_stats.json", "witnesses": "chef", "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." }