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105063480, "row_groups": [ 46, 446 ], "sha256": "33f54ba62ebbfa8b33ab958ca00e08ee0bee9a7fe45b9b2553ddb00593da6321" }, "tick_size_change": { "byte_range": [ 1226332042, 1226452264 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 286823001314062346, "min_sequence": 8162776066345996, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 3308, "row_groups": [ 447, 447 ], "sha256": "d24a772b5e3217b4317abd23ffd5ebaea7024e0e173cafa580899b151f83d660" } }, "row_count": 116231916, "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": "1a6c9f64a17d3812dbc640c2635483a9f0eaf1eb4497567133ca664dc6d5827a", "skipped_witnesses": { "g": { "alive": false, "listed_utc": "2026-09-21T11:35:54.113591Z", "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": "2026-09-21T10.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." }