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105528352, "row_groups": [ 54, 456 ], "sha256": "2cf9c128013af59c7ce3c22cd6f29f4a592b06f9115773d2c6871975ab45b983" }, "tick_size_change": { "byte_range": [ 1283573836, 1283724940 ], "columns": [ "timestamp_received", "sequence", "timestamp", "market", "asset_id", "old_tick_size", "new_tick_size", "witness_set", "arrival_skew", "source_witness" ], "max_sequence": 291326600903110437, "min_sequence": 8162776607278059, "order_by": [ "market", "asset_id", "timestamp", "sequence" ], "row_count": 4100, "row_groups": [ 457, 457 ], "sha256": "45cd2f95a652d0e3f7a3e8b73ebbe3e3b8c673ec1fb4ca90d60a9fba41c59f37" } }, "row_count": 118923433, "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": "0cc58e3e7f29e0d4bdb6425c8c43adead310ee0afb0bd16cced791c686f88c0b", "skipped_witnesses": { "g": { "alive": false, "listed_utc": "2026-09-21T16:35:54.125012Z", "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": "2026-09-21T15.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." }