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"order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 95381406, "row_groups": [ 47, 410 ], "sha256": "b15c32560deea26236ce87baac6b3bc306f7c78a4e93d6b2d05096ef6b0a35b9" }, "tick_size_change": { "byte_range": [ 1152530113, 1152709692 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 292171025891540020, "min_sequence": 8162776715190259, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 4924, "row_groups": [ 411, 411 ], "sha256": "cf18ceda0d16b04ef807ceed9919ea8f339b4d163a0fc627bacfab1b4ae6c46a" } }, "row_count": 106882608, "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": "5c49db9ce33f562fb316eaf630c38d915dda27223a2963dace98a525884f74e4", "skipped_witnesses": { "g": { "alive": false, "listed_utc": "2026-09-21T17:35:28.194202Z", "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": "2026-09-21T16.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." }