{
  "ab_accounting": {
    "best_bid_ask": {
      "boundary_dropped": 34,
      "class": "PARTIAL",
      "exception_markets": 45333,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 10235934,
        "i": 10236006,
        "k": 10235934
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 10235934,
      "rows_i": 10236006,
      "rows_joined": 10236776,
      "rows_k": 10235934,
      "rows_merged": 10236742,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 108,
        "i": 18,
        "k": 234
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 1702,
            "100_200ms": 52348,
            "10_20ms": 8144272,
            "1_2ms": 0,
            "2000_5000ms": 1191,
            "200_500ms": 22544,
            "20_50ms": 1856506,
            "2_5ms": 0,
            "5000_10000ms": 33,
            "500_1000ms": 6990,
            "50_100ms": 150348,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 6658,
          "mean_ms": 21.833017876043357,
          "measurable": 10235934,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 22.0,
          "p99_ms": 86.0,
          "rows": 10235934,
          "unmeasurable": 0,
          "won_output_rows": 344322
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 1191,
            "100_200ms": 39951,
            "10_20ms": 5624785,
            "1_2ms": 0,
            "2000_5000ms": 333,
            "200_500ms": 12171,
            "20_50ms": 4424180,
            "2_5ms": 0,
            "5000_10000ms": 8,
            "500_1000ms": 2427,
            "50_100ms": 130960,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 6215,
          "mean_ms": 21.648465719930215,
          "measurable": 10236006,
          "min_ms": 13,
          "p50_ms": 19.0,
          "p90_ms": 24.0,
          "p99_ms": 70.0,
          "rows": 10236006,
          "unmeasurable": 0,
          "won_output_rows": 256292
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 108,
            "100_200ms": 32291,
            "10_20ms": 9627164,
            "1_2ms": 0,
            "2000_5000ms": 14,
            "200_500ms": 12241,
            "20_50ms": 464393,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 876,
            "50_100ms": 96949,
            "5_10ms": 1898,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4958,
          "mean_ms": 14.439653186509409,
          "measurable": 10235934,
          "min_ms": 9,
          "p50_ms": 12.0,
          "p90_ms": 16.0,
          "p99_ms": 61.0,
          "rows": 10235934,
          "unmeasurable": 0,
          "won_output_rows": 9636128
        }
      }
    },
    "book": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 5620,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 94512,
        "i": 94398,
        "k": 95990
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 94512,
      "rows_i": 94398,
      "rows_joined": 99610,
      "rows_k": 95990,
      "rows_merged": 99610,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 1551,
        "i": 1223,
        "k": 3066
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 164,
            "1000_2000ms": 230,
            "100_200ms": 1755,
            "10_20ms": 22543,
            "1_2ms": 0,
            "2000_5000ms": 338,
            "200_500ms": 905,
            "20_50ms": 61900,
            "2_5ms": 0,
            "5000_10000ms": 56,
            "500_1000ms": 308,
            "50_100ms": 4459,
            "5_10ms": 0,
            "ge30000ms": 1854,
            "neg": 0
          },
          "max_ms": 4910141711,
          "mean_ms": 5199703.247259608,
          "measurable": 94512,
          "min_ms": 15,
          "p50_ms": 22.0,
          "p90_ms": 53.0,
          "p99_ms": 23338065.649999943,
          "rows": 94512,
          "unmeasurable": 0,
          "won_output_rows": 8745
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 132,
            "1000_2000ms": 256,
            "100_200ms": 2646,
            "10_20ms": 28146,
            "1_2ms": 0,
            "2000_5000ms": 294,
            "200_500ms": 1766,
            "20_50ms": 52219,
            "2_5ms": 0,
            "5000_10000ms": 46,
            "500_1000ms": 619,
            "50_100ms": 6612,
            "5_10ms": 0,
            "ge30000ms": 1662,
            "neg": 0
          },
          "max_ms": 8712835281,
          "mean_ms": 4228495.951143033,
          "measurable": 94398,
          "min_ms": 14,
          "p50_ms": 21.0,
          "p90_ms": 72.0,
          "p99_ms": 12010818.279999942,
          "rows": 94398,
          "unmeasurable": 0,
          "won_output_rows": 8929
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 212,
            "1000_2000ms": 238,
            "100_200ms": 1457,
            "10_20ms": 72112,
            "1_2ms": 0,
            "2000_5000ms": 340,
            "200_500ms": 631,
            "20_50ms": 14791,
            "2_5ms": 0,
            "5000_10000ms": 88,
            "500_1000ms": 116,
            "50_100ms": 2815,
            "5_10ms": 0,
            "ge30000ms": 3190,
            "neg": 0
          },
          "max_ms": 8725215888,
          "mean_ms": 7940049.854995312,
          "measurable": 95990,
          "min_ms": 10,
          "p50_ms": 15.0,
          "p90_ms": 45.0,
          "p99_ms": 85236208.59000003,
          "rows": 95990,
          "unmeasurable": 0,
          "won_output_rows": 81936
        }
      }
    },
    "last_trade_price": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 2964,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 45740,
        "i": 45779,
        "k": 45725
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 45740,
      "rows_i": 45779,
      "rows_joined": 45950,
      "rows_k": 45725,
      "rows_merged": 45950,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 11,
        "i": 3,
        "k": 43
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 5,
            "100_200ms": 830,
            "10_20ms": 26987,
            "1_2ms": 0,
            "2000_5000ms": 3,
            "200_500ms": 474,
            "20_50ms": 15512,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 146,
            "50_100ms": 1783,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4234,
          "mean_ms": 30.012133799737647,
          "measurable": 45740,
          "min_ms": 15,
          "p50_ms": 19.0,
          "p90_ms": 38.0,
          "p99_ms": 251.61000000000058,
          "rows": 45740,
          "unmeasurable": 0,
          "won_output_rows": 2834
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 5,
            "100_200ms": 1297,
            "10_20ms": 16103,
            "1_2ms": 0,
            "2000_5000ms": 1,
            "200_500ms": 924,
            "20_50ms": 24984,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 313,
            "50_100ms": 2152,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 3904,
          "mean_ms": 38.02571047860373,
          "measurable": 45779,
          "min_ms": 14,
          "p50_ms": 21.0,
          "p90_ms": 51.0,
          "p99_ms": 418.0,
          "rows": 45779,
          "unmeasurable": 0,
          "won_output_rows": 1616
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 3,
            "100_200ms": 700,
            "10_20ms": 39813,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 335,
            "20_50ms": 3619,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 35,
            "50_100ms": 1220,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1241,
          "mean_ms": 20.496271186440676,
          "measurable": 45725,
          "min_ms": 10,
          "p50_ms": 13.0,
          "p90_ms": 24.0,
          "p99_ms": 179.0,
          "rows": 45725,
          "unmeasurable": 0,
          "won_output_rows": 41500
        }
      }
    },
    "market_resolved": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 494,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 494,
        "i": 494,
        "k": 494
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 494,
      "rows_i": 494,
      "rows_joined": 494,
      "rows_k": 494,
      "rows_merged": 494,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 0,
        "i": 0,
        "k": 0
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 2,
            "1000_2000ms": 0,
            "100_200ms": 0,
            "10_20ms": 304,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 138,
            "2_5ms": 0,
            "5000_10000ms": 2,
            "500_1000ms": 0,
            "50_100ms": 39,
            "5_10ms": 0,
            "ge30000ms": 9,
            "neg": 0
          },
          "max_ms": 41891,
          "mean_ms": 851.5728744939271,
          "measurable": 494,
          "min_ms": 15,
          "p50_ms": 19.0,
          "p90_ms": 51.69999999999999,
          "p99_ms": 40332.420000000006,
          "rows": 494,
          "unmeasurable": 0,
          "won_output_rows": 18
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 2,
            "1000_2000ms": 0,
            "100_200ms": 6,
            "10_20ms": 224,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 195,
            "2_5ms": 0,
            "5000_10000ms": 2,
            "500_1000ms": 0,
            "50_100ms": 56,
            "5_10ms": 0,
            "ge30000ms": 9,
            "neg": 0
          },
          "max_ms": 41752,
          "mean_ms": 848.1457489878543,
          "measurable": 494,
          "min_ms": 14,
          "p50_ms": 20.0,
          "p90_ms": 56.69999999999999,
          "p99_ms": 40156.42,
          "rows": 494,
          "unmeasurable": 0,
          "won_output_rows": 23
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 2,
            "1000_2000ms": 0,
            "100_200ms": 0,
            "10_20ms": 364,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 1,
            "20_50ms": 109,
            "2_5ms": 0,
            "5000_10000ms": 2,
            "500_1000ms": 0,
            "50_100ms": 7,
            "5_10ms": 0,
            "ge30000ms": 9,
            "neg": 0
          },
          "max_ms": 45489,
          "mean_ms": 937.3582995951417,
          "measurable": 494,
          "min_ms": 10,
          "p50_ms": 13.0,
          "p90_ms": 31.0,
          "p99_ms": 43896.42,
          "rows": 494,
          "unmeasurable": 0,
          "won_output_rows": 453
        }
      }
    },
    "new_market": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 425,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 425,
        "i": 425,
        "k": 425
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 425,
      "rows_i": 425,
      "rows_joined": 557,
      "rows_k": 425,
      "rows_merged": 557,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 59,
        "i": 43,
        "k": 30
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 26,
            "1000_2000ms": 0,
            "100_200ms": 84,
            "10_20ms": 1,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 29,
            "20_50ms": 174,
            "2_5ms": 0,
            "5000_10000ms": 8,
            "500_1000ms": 0,
            "50_100ms": 85,
            "5_10ms": 0,
            "ge30000ms": 18,
            "neg": 0
          },
          "max_ms": 105546,
          "mean_ms": 3432.541176470588,
          "measurable": 425,
          "min_ms": 19,
          "p50_ms": 65.0,
          "p90_ms": 10689.0,
          "p99_ms": 52684.31999999996,
          "rows": 425,
          "unmeasurable": 0,
          "won_output_rows": 203
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 32,
            "1000_2000ms": 0,
            "100_200ms": 92,
            "10_20ms": 1,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 6,
            "20_50ms": 165,
            "2_5ms": 0,
            "5000_10000ms": 19,
            "500_1000ms": 0,
            "50_100ms": 89,
            "5_10ms": 0,
            "ge30000ms": 21,
            "neg": 0
          },
          "max_ms": 49452,
          "mean_ms": 3534.7858823529414,
          "measurable": 425,
          "min_ms": 19,
          "p50_ms": 68.0,
          "p90_ms": 11342.8,
          "p99_ms": 44119.8,
          "rows": 425,
          "unmeasurable": 0,
          "won_output_rows": 166
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 22,
            "1000_2000ms": 0,
            "100_200ms": 67,
            "10_20ms": 24,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 39,
            "20_50ms": 149,
            "2_5ms": 0,
            "5000_10000ms": 15,
            "500_1000ms": 0,
            "50_100ms": 93,
            "5_10ms": 0,
            "ge30000ms": 16,
            "neg": 0
          },
          "max_ms": 100430,
          "mean_ms": 2952.696470588235,
          "measurable": 425,
          "min_ms": 14,
          "p50_ms": 63.0,
          "p90_ms": 9166.2,
          "p99_ms": 43222.59999999999,
          "rows": 425,
          "unmeasurable": 0,
          "won_output_rows": 188
        }
      }
    },
    "price_change": {
      "boundary_dropped": 2232,
      "class": "PARTIAL",
      "exception_markets": 86536,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 86884184,
        "i": 86897072,
        "k": 86892726
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 86884184,
      "rows_i": 86897072,
      "rows_joined": 86936806,
      "rows_k": 86892726,
      "rows_merged": 86934574,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 2986,
        "i": 3092,
        "k": 16424
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 15600,
            "100_200ms": 708124,
            "10_20ms": 65959228,
            "1_2ms": 0,
            "2000_5000ms": 8770,
            "200_500ms": 404954,
            "20_50ms": 18047216,
            "2_5ms": 0,
            "5000_10000ms": 420,
            "500_1000ms": 71004,
            "50_100ms": 1668868,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 6897,
          "mean_ms": 23.453960527499458,
          "measurable": 86884184,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 25.0,
          "p99_ms": 133.0,
          "rows": 86884184,
          "unmeasurable": 0,
          "won_output_rows": 3359456
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 19350,
            "100_200ms": 624014,
            "10_20ms": 46314324,
            "1_2ms": 0,
            "2000_5000ms": 3426,
            "200_500ms": 343746,
            "20_50ms": 37802462,
            "2_5ms": 0,
            "5000_10000ms": 60,
            "500_1000ms": 160434,
            "50_100ms": 1629256,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 6215,
          "mean_ms": 24.557117137387554,
          "measurable": 86897072,
          "min_ms": 13,
          "p50_ms": 19.0,
          "p90_ms": 25.0,
          "p99_ms": 128.0,
          "rows": 86897072,
          "unmeasurable": 0,
          "won_output_rows": 2522088
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 1362,
            "100_200ms": 455104,
            "10_20ms": 80307620,
            "1_2ms": 0,
            "2000_5000ms": 178,
            "200_500ms": 166956,
            "20_50ms": 4795758,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 11298,
            "50_100ms": 1149298,
            "5_10ms": 5152,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4958,
          "mean_ms": 15.415182370961638,
          "measurable": 86892726,
          "min_ms": 9,
          "p50_ms": 12.0,
          "p90_ms": 17.0,
          "p99_ms": 82.0,
          "rows": 86892726,
          "unmeasurable": 0,
          "won_output_rows": 81053030
        }
      }
    },
    "tick_size_change": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 716,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 2864,
        "i": 2864,
        "k": 2864
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 2864,
      "rows_i": 2864,
      "rows_joined": 2864,
      "rows_k": 2864,
      "rows_merged": 2864,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 0,
        "i": 0,
        "k": 0
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 24,
            "10_20ms": 2090,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 685,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 8,
            "50_100ms": 57,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 780,
          "mean_ms": 23.67667597765363,
          "measurable": 2864,
          "min_ms": 15,
          "p50_ms": 18.0,
          "p90_ms": 28.0,
          "p99_ms": 120.0,
          "rows": 2864,
          "unmeasurable": 0,
          "won_output_rows": 149
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 8,
            "10_20ms": 1217,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 4,
            "20_50ms": 1573,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 62,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 207,
          "mean_ms": 22.335195530726256,
          "measurable": 2864,
          "min_ms": 14,
          "p50_ms": 20.0,
          "p90_ms": 25.700000000000273,
          "p99_ms": 66.0,
          "rows": 2864,
          "unmeasurable": 0,
          "won_output_rows": 87
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 16,
            "10_20ms": 2621,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 184,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 38,
            "5_10ms": 5,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 137,
          "mean_ms": 15.23463687150838,
          "measurable": 2864,
          "min_ms": 9,
          "p50_ms": 12.0,
          "p90_ms": 18.0,
          "p99_ms": 71.0,
          "rows": 2864,
          "unmeasurable": 0,
          "won_output_rows": 2628
        }
      }
    }
  },
  "archive_root": "union-staging",
  "boundary_guard": "cache",
  "bytes": 976402554,
  "file": "2026-09-26T10.parquet",
  "generated_by": "tools/orderbook_ab/merge_ab.py",
  "hour": "2026-09-26/10",
  "hour_utc": "2026-09-26T10:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 63331871134336028,
  "merger_git_sha": "fcbb28046152741ae3754e951659977da4c8b36e",
  "min_sequence": 10133100204459260,
  "products": {
    "best_bid_ask": {
      "byte_range": [
        4,
        110422034
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331871134336026,
      "min_sequence": 10133100204459328,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 10236742,
      "row_groups": [
        0,
        39
      ],
      "sha256": "955a2b023b774ad32c3adea7f7263f3656c7dd0d24ac2c1cfff2ae9e9a6e6647"
    },
    "book": {
      "byte_range": [
        110422034,
        120648318
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331871134315232,
      "min_sequence": 10133100204461204,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 99610,
      "row_groups": [
        40,
        40
      ],
      "sha256": "77b92899d78ca220a2d8caa789004ef8b51c755e998a8d56dcfcf4ad395a9f6a"
    },
    "last_trade_price": {
      "byte_range": [
        120648318,
        123295071
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331871134240985,
      "min_sequence": 10133100204790181,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 45950,
      "row_groups": [
        41,
        41
      ],
      "sha256": "ba532a0d7ac1803d6283cee05dad6e70bb645905ec48c4007a38376346a3d3ee"
    },
    "market_resolved": {
      "byte_range": [
        123295071,
        123377339
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331871128525978,
      "min_sequence": 10133100211175544,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 494,
      "row_groups": [
        42,
        42
      ],
      "sha256": "f63f67bfff706ed7a8bd2dda2e67e60ed1e0f164899578d8d2bc86c10aec63f6"
    },
    "new_market": {
      "byte_range": [
        123377339,
        123442147
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331871132272391,
      "min_sequence": 10133100204825620,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 557,
      "row_groups": [
        43,
        43
      ],
      "sha256": "4374ba30da773955ef3ea6474b5e7e2a2d2966b51b2eebb2b8601ac2565780c1"
    },
    "price_change": {
      "byte_range": [
        123442147,
        975187635
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331871134336028,
      "min_sequence": 10133100204459260,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 86934574,
      "row_groups": [
        44,
        375
      ],
      "sha256": "dabe04bb54465fc3caad1c98b19a7e384070490455cd156d538b1a458302d27c"
    },
    "tick_size_change": {
      "byte_range": [
        975187635,
        975292811
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331871129855941,
      "min_sequence": 10133100204524188,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2864,
      "row_groups": [
        376,
        376
      ],
      "sha256": "f8b1ad34d305564a5973d582069b872c00910259e90b9e59c303c962f7f462a8"
    }
  },
  "row_count": 97320791,
  "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: h, i, k). The winner is per row, not per hour -- each row names its own in source_witness",
  "sha256": "2b3e228546fc74b6cb0ac242e326ffd3d638dc36082e2684524d58f2654078ea",
  "skipped_witnesses": {
    "c": {
      "alive": false,
      "listed_utc": "2026-09-26T11:35:13.609243Z",
      "newest_upload": "2026-09-25T11:20:09.612000Z",
      "reason": "not_staged"
    },
    "g": {
      "alive": false,
      "listed_utc": "2026-09-26T11:35:29.657925Z",
      "newest_upload": "2026-09-25T15:20:05.378000Z",
      "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 <file> == .sha256",
    "secondary": "curl -r <start>-<end-1> <url> | sha256sum == .products.<name>.sha256"
  },
  "witness_stats": "2026-09-26T10.witness_stats.json",
  "witnesses": "hik",
  "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."
}
