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"best_ask", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 82190693855682318, "min_sequence": 281484367528634, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 21575043, "row_groups": [ 15, 97 ], "sha256": "6a8fda3cb83ae80411b9916ca18759138da79b9edde358abde9e5a12be9e9948" }, "tick_size_change": { "byte_range": [ 274306848, 274368673 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 281484391726909, "min_sequence": 281484369293877, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 1720, "row_groups": [ 98, 98 ], "sha256": "156078418536eb5ca75583ddbed057fdf54dc260dc8ec3d8c0d1d99e49783810" } }, "row_count": 24515856, "sequence_note": "sequence and timestamp_received are collector-local provenance; where domains carry the same row, the merge keeps the LAST ACTIVE domain's values -- for this hour, domain e (active: a, c, h, e)", "sha256": "06512c9549f927407689bfa67d8bae7e0f2b49996cf9b9a83111dc4263b32356", "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": "2026-08-31T10.witness_stats.json", "witnesses": "ache", "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." }