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"min_sequence": 8162778247681473, "order_by": [ "market", "id", "timestamp", "sequence" ], "row_count": 3470, "row_groups": [ 41, 41 ], "sha256": "3e193a7a47e93123422ad0f94433ca900000113efff65c3e5d4b39f5403dffff" }, "price_change": { "byte_range": [ 166960854, 1049669315 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "price", "size", "side", "best_bid", "best_ask", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 301459700233419373, "min_sequence": 8162778246484953, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 90981126, "row_groups": [ 42, 389 ], "sha256": "57676f3df09533fc7326affea7246aea86bc05ce898b0498b8112cd3fde482ac" }, "tick_size_change": { "byte_range": [ 1049669315, 1049756945 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 301459700230788031, "min_sequence": 8162778274748607, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 2416, "row_groups": [ 390, 390 ], "sha256": "02f0e6f9e5e14929bc6e6802422607300a0e04060764412536717d4058e0c548" } }, "row_count": 100950241, "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": "a068956a308f1a8d2a4fc2a78ab36fb209e181fb2a35576304d2666a84cc5f11", "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": "2026-09-22T06.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." }