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"question", "slug", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 264586478200129646, "min_sequence": 6473924716537168, "order_by": [ "market", "id", "timestamp", "sequence" ], "row_count": 573, "row_groups": [ 74, 74 ], "sha256": "04e0487e7253718306ef2426581b05815b5276ab9845ca8194fcaea6cb31cb5c" }, "price_change": { "byte_range": [ 272386272, 1452355606 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "price", "size", "side", "best_bid", "best_ask", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 264586478205450555, "min_sequence": 6473924702634552, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 117142726, "row_groups": [ 75, 521 ], "sha256": "0267519ad0b1f42460f304cc05be7d027ce5c01c3bf4f47f400dbf006b53a61f" }, "tick_size_change": { "byte_range": [ 1452355606, 1452633249 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 264586478203918743, "min_sequence": 6473924725235916, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 7604, "row_groups": [ 522, 522 ], "sha256": "483a3d4be6e251c15cdb41a8b733fd21d8edcc327df8f3b727964831d2d1218e" } }, "row_count": 135611919, "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, g). The winner is per row, not per hour -- each row names its own in source_witness", "sha256": "0e93c56bbf3d5b169164b6ac4db99d252cf5d0e3f2923f7bce02559ed861d6ee", "skipped_witnesses": { "f": { "alive": false, "listed_utc": "2026-09-20T06:42:52.598886Z", "newest_upload": "2026-09-20T00:20:12.465000Z", "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": "2026-09-20T03.witness_stats.json", "witnesses": "cheg", "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." }