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"hour_utc": "2026-09-26T21:00:00+00:00", "layout": "union-event-sorted-v1", "max_sequence": 363947144891411207, "merger_git_sha": "fcbb28046152741ae3754e951659977da4c8b36e", "min_sequence": 11821949115010870, "products": { "best_bid_ask": { "byte_range": [ 4, 155393998 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "best_bid", "best_ask", "spread", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 363947144891410592, "min_sequence": 11821949115012196, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 13594442, "row_groups": [ 0, 51 ], "sha256": "7c84024fef5162fbb975edc676ef10135f8c71d90ae5227bc08c5b8e91c973f6" }, "book": { "byte_range": [ 155393998, 286998351 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "bids", "asks", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 363947144891399293, "min_sequence": 11821949115078020, "order_by": [ "market", 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"order_by": [ "market", "id", "timestamp", "sequence" ], "row_count": 82556, "row_groups": [ 73, 73 ], "sha256": "fe5bd1f12b0c4036329608d383b43791d74e6273331dfce0dbf04b23acefa543" }, "new_market": { "byte_range": [ 291743720, 293815553 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "id", "assets_ids", "outcomes", "question", "slug", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 363947144891385546, "min_sequence": 11821949115428138, "order_by": [ "market", "id", "timestamp", "sequence" ], "row_count": 94328, "row_groups": [ 74, 74 ], "sha256": "13b75b73fc245354c5a5945900f5e5a6b7051dc7f61fb071637a3d5cf1ae717d" }, "price_change": { "byte_range": [ 293815553, 1571867076 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "price", "size", "side", "best_bid", "best_ask", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 363947144891410599, "min_sequence": 11821949115010870, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 121704416, "row_groups": [ 75, 539 ], "sha256": "87580e2983139b2f24b31277e46fbd1040636c2f4b93544b8d1c175354395078" }, "tick_size_change": { "byte_range": [ 1571867076, 1572127028 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 363947144890665049, "min_sequence": 11821949117510283, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 7160, "row_groups": [ 540, 540 ], "sha256": "bdad0b0f5d56809e7c0bcef4669459a0db81adea3032a41c0282ab82cab30f31" } }, "row_count": 140652387, "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, i, k). The winner is per row, not per hour -- each row names its own in source_witness", "sha256": "77de4b9975427cc79164f7916cb5ff8b18b5339c4c9e256a0df04708589ca95a", "skipped_witnesses": { "g": { "alive": false, "listed_utc": "2026-09-27T02:23:04.450504Z", "newest_upload": "2026-09-25T15:20:05.378000Z", "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": "2026-09-26T21.witness_stats.json", "witnesses": "chik", "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." }