{
  "ab_accounting": {
    "best_bid_ask": {
      "boundary_dropped": 24,
      "class": "PARTIAL",
      "exception_markets": 45202,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 11173192,
        "i": 11173101,
        "k": 11173308
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 11173192,
      "rows_i": 11173101,
      "rows_joined": 11173816,
      "rows_k": 11173308,
      "rows_merged": 11173792,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 98,
        "i": 66,
        "k": 116
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 22,
            "1000_2000ms": 4599,
            "100_200ms": 55304,
            "10_20ms": 8642500,
            "1_2ms": 0,
            "2000_5000ms": 4688,
            "200_500ms": 33271,
            "20_50ms": 2273022,
            "2_5ms": 0,
            "5000_10000ms": 1475,
            "500_1000ms": 14234,
            "50_100ms": 144077,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 20361,
          "mean_ms": 24.73981965046336,
          "measurable": 11173192,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 22.0,
          "p99_ms": 101.0,
          "rows": 11173192,
          "unmeasurable": 0,
          "won_output_rows": 293117
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 1587,
            "100_200ms": 44714,
            "10_20ms": 6635601,
            "1_2ms": 0,
            "2000_5000ms": 802,
            "200_500ms": 14849,
            "20_50ms": 4353246,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 2646,
            "50_100ms": 119656,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4161,
          "mean_ms": 21.424500234984002,
          "measurable": 11173101,
          "min_ms": 14,
          "p50_ms": 19.0,
          "p90_ms": 22.0,
          "p99_ms": 68.0,
          "rows": 11173101,
          "unmeasurable": 0,
          "won_output_rows": 287698
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 885,
            "100_200ms": 42653,
            "10_20ms": 10572353,
            "1_2ms": 0,
            "2000_5000ms": 486,
            "200_500ms": 25553,
            "20_50ms": 431173,
            "2_5ms": 0,
            "5000_10000ms": 122,
            "500_1000ms": 2936,
            "50_100ms": 92282,
            "5_10ms": 4865,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 7476,
          "mean_ms": 14.890676959768763,
          "measurable": 11173308,
          "min_ms": 9,
          "p50_ms": 12.0,
          "p90_ms": 15.0,
          "p99_ms": 68.0,
          "rows": 11173308,
          "unmeasurable": 0,
          "won_output_rows": 10592977
        }
      }
    },
    "book": {
      "boundary_dropped": 2,
      "class": "PARTIAL",
      "exception_markets": 6778,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 87774,
        "i": 87914,
        "k": 91442
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 87774,
      "rows_i": 87914,
      "rows_joined": 93616,
      "rows_k": 91442,
      "rows_merged": 93614,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 1086,
        "i": 869,
        "k": 4405
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 68,
            "1000_2000ms": 416,
            "100_200ms": 1514,
            "10_20ms": 17051,
            "1_2ms": 0,
            "2000_5000ms": 672,
            "200_500ms": 990,
            "20_50ms": 62230,
            "2_5ms": 0,
            "5000_10000ms": 54,
            "500_1000ms": 253,
            "50_100ms": 3740,
            "5_10ms": 0,
            "ge30000ms": 786,
            "neg": 0
          },
          "max_ms": 8717289095,
          "mean_ms": 2599942.105623533,
          "measurable": 87774,
          "min_ms": 15,
          "p50_ms": 22.0,
          "p90_ms": 48.0,
          "p99_ms": 6856.050000000876,
          "rows": 87774,
          "unmeasurable": 0,
          "won_output_rows": 6887
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 66,
            "1000_2000ms": 496,
            "100_200ms": 2140,
            "10_20ms": 21175,
            "1_2ms": 0,
            "2000_5000ms": 604,
            "200_500ms": 1222,
            "20_50ms": 55573,
            "2_5ms": 0,
            "5000_10000ms": 34,
            "500_1000ms": 427,
            "50_100ms": 5313,
            "5_10ms": 0,
            "ge30000ms": 864,
            "neg": 0
          },
          "max_ms": 4739574667,
          "mean_ms": 1791660.2089542053,
          "measurable": 87914,
          "min_ms": 14,
          "p50_ms": 21.0,
          "p90_ms": 57.0,
          "p99_ms": 25976.719999998342,
          "rows": 87914,
          "unmeasurable": 0,
          "won_output_rows": 8664
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 302,
            "1000_2000ms": 436,
            "100_200ms": 1547,
            "10_20ms": 68087,
            "1_2ms": 0,
            "2000_5000ms": 630,
            "200_500ms": 945,
            "20_50ms": 12736,
            "2_5ms": 0,
            "5000_10000ms": 120,
            "500_1000ms": 193,
            "50_100ms": 2434,
            "5_10ms": 0,
            "ge30000ms": 4012,
            "neg": 0
          },
          "max_ms": 8719743478,
          "mean_ms": 11572104.031757835,
          "measurable": 91442,
          "min_ms": 10,
          "p50_ms": 15.0,
          "p90_ms": 72.0,
          "p99_ms": 128828057.0,
          "rows": 91442,
          "unmeasurable": 0,
          "won_output_rows": 78063
        }
      }
    },
    "last_trade_price": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 3219,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 42703,
        "i": 42738,
        "k": 42691
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 42703,
      "rows_i": 42738,
      "rows_joined": 42802,
      "rows_k": 42691,
      "rows_merged": 42802,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 1,
        "i": 2,
        "k": 2
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 22,
            "100_200ms": 717,
            "10_20ms": 23392,
            "1_2ms": 0,
            "2000_5000ms": 24,
            "200_500ms": 509,
            "20_50ms": 16466,
            "2_5ms": 0,
            "5000_10000ms": 13,
            "500_1000ms": 104,
            "50_100ms": 1456,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 7668,
          "mean_ms": 33.533288059386926,
          "measurable": 42703,
          "min_ms": 16,
          "p50_ms": 19.0,
          "p90_ms": 36.0,
          "p99_ms": 262.0,
          "rows": 42703,
          "unmeasurable": 0,
          "won_output_rows": 2478
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 52,
            "100_200ms": 1006,
            "10_20ms": 12415,
            "1_2ms": 0,
            "2000_5000ms": 2,
            "200_500ms": 651,
            "20_50ms": 26708,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 191,
            "50_100ms": 1713,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 2002,
          "mean_ms": 35.74203285132669,
          "measurable": 42738,
          "min_ms": 14,
          "p50_ms": 21.0,
          "p90_ms": 39.0,
          "p99_ms": 319.0,
          "rows": 42738,
          "unmeasurable": 0,
          "won_output_rows": 1537
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 3,
            "100_200ms": 695,
            "10_20ms": 37369,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 488,
            "20_50ms": 3027,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 64,
            "50_100ms": 1045,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1258,
          "mean_ms": 21.83776439999063,
          "measurable": 42691,
          "min_ms": 10,
          "p50_ms": 13.0,
          "p90_ms": 23.0,
          "p99_ms": 225.0,
          "rows": 42691,
          "unmeasurable": 0,
          "won_output_rows": 38787
        }
      }
    },
    "market_resolved": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 801,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 801,
        "i": 801,
        "k": 801
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 801,
      "rows_i": 801,
      "rows_joined": 801,
      "rows_k": 801,
      "rows_merged": 801,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 0,
        "i": 0,
        "k": 0
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 63,
            "1000_2000ms": 0,
            "100_200ms": 3,
            "10_20ms": 453,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 166,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 54,
            "5_10ms": 0,
            "ge30000ms": 62,
            "neg": 0
          },
          "max_ms": 49468,
          "mean_ms": 4316.61797752809,
          "measurable": 801,
          "min_ms": 16,
          "p50_ms": 19.0,
          "p90_ms": 15142.0,
          "p99_ms": 43265.0,
          "rows": 801,
          "unmeasurable": 0,
          "won_output_rows": 24
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 63,
            "1000_2000ms": 0,
            "100_200ms": 9,
            "10_20ms": 296,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 321,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 50,
            "5_10ms": 0,
            "ge30000ms": 62,
            "neg": 0
          },
          "max_ms": 48730,
          "mean_ms": 4175.039950062422,
          "measurable": 801,
          "min_ms": 15,
          "p50_ms": 21.0,
          "p90_ms": 14359.0,
          "p99_ms": 42413.0,
          "rows": 801,
          "unmeasurable": 0,
          "won_output_rows": 137
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 62,
            "1000_2000ms": 0,
            "100_200ms": 1,
            "10_20ms": 545,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 1,
            "20_50ms": 118,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 11,
            "5_10ms": 0,
            "ge30000ms": 63,
            "neg": 0
          },
          "max_ms": 53942,
          "mean_ms": 5006.071161048689,
          "measurable": 801,
          "min_ms": 10,
          "p50_ms": 13.0,
          "p90_ms": 19470.0,
          "p99_ms": 47804.0,
          "rows": 801,
          "unmeasurable": 0,
          "won_output_rows": 640
        }
      }
    },
    "new_market": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 720,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 720,
        "i": 720,
        "k": 720
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 720,
      "rows_i": 720,
      "rows_joined": 924,
      "rows_k": 720,
      "rows_merged": 924,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 28,
        "i": 151,
        "k": 25
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 85,
            "1000_2000ms": 0,
            "100_200ms": 178,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 69,
            "20_50ms": 208,
            "2_5ms": 0,
            "5000_10000ms": 6,
            "500_1000ms": 0,
            "50_100ms": 131,
            "5_10ms": 0,
            "ge30000ms": 43,
            "neg": 0
          },
          "max_ms": 112478,
          "mean_ms": 5235.361111111111,
          "measurable": 720,
          "min_ms": 20,
          "p50_ms": 106.5,
          "p90_ms": 27354.500000000007,
          "p99_ms": 47659.129999999976,
          "rows": 720,
          "unmeasurable": 0,
          "won_output_rows": 312
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 47,
            "1000_2000ms": 0,
            "100_200ms": 226,
            "10_20ms": 1,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 34,
            "20_50ms": 202,
            "2_5ms": 0,
            "5000_10000ms": 14,
            "500_1000ms": 0,
            "50_100ms": 150,
            "5_10ms": 0,
            "ge30000ms": 46,
            "neg": 0
          },
          "max_ms": 92368,
          "mean_ms": 4454.655555555555,
          "measurable": 720,
          "min_ms": 19,
          "p50_ms": 102.0,
          "p90_ms": 25136.70000000001,
          "p99_ms": 57261.17999999989,
          "rows": 720,
          "unmeasurable": 0,
          "won_output_rows": 320
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 81,
            "1000_2000ms": 0,
            "100_200ms": 101,
            "10_20ms": 27,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 112,
            "20_50ms": 200,
            "2_5ms": 0,
            "5000_10000ms": 3,
            "500_1000ms": 0,
            "50_100ms": 147,
            "5_10ms": 0,
            "ge30000ms": 49,
            "neg": 0
          },
          "max_ms": 96957,
          "mean_ms": 5380.280555555555,
          "measurable": 720,
          "min_ms": 14,
          "p50_ms": 90.0,
          "p90_ms": 26958.600000000006,
          "p99_ms": 64128.839999999924,
          "rows": 720,
          "unmeasurable": 0,
          "won_output_rows": 292
        }
      }
    },
    "price_change": {
      "boundary_dropped": 142,
      "class": "PARTIAL",
      "exception_markets": 86848,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 86696430,
        "i": 86694284,
        "k": 86689462
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 86696430,
      "rows_i": 86694284,
      "rows_joined": 86726116,
      "rows_k": 86689462,
      "rows_merged": 86725974,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 2936,
        "i": 4040,
        "k": 5460
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 338,
            "1000_2000ms": 38436,
            "100_200ms": 609630,
            "10_20ms": 64019288,
            "1_2ms": 0,
            "2000_5000ms": 37834,
            "200_500ms": 406966,
            "20_50ms": 20050698,
            "2_5ms": 0,
            "5000_10000ms": 9866,
            "500_1000ms": 113864,
            "50_100ms": 1409510,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 23601,
          "mean_ms": 25.900058722141154,
          "measurable": 86696430,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 23.0,
          "p99_ms": 142.0,
          "rows": 86696430,
          "unmeasurable": 0,
          "won_output_rows": 2684096
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 24328,
            "100_200ms": 531560,
            "10_20ms": 47916440,
            "1_2ms": 0,
            "2000_5000ms": 7562,
            "200_500ms": 284316,
            "20_50ms": 36468040,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 146804,
            "50_100ms": 1315234,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4187,
          "mean_ms": 24.004708268886564,
          "measurable": 86694284,
          "min_ms": 14,
          "p50_ms": 19.0,
          "p90_ms": 23.0,
          "p99_ms": 113.0,
          "rows": 86694284,
          "unmeasurable": 0,
          "won_output_rows": 2529736
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 6232,
            "100_200ms": 450676,
            "10_20ms": 80852388,
            "1_2ms": 0,
            "2000_5000ms": 2826,
            "200_500ms": 243512,
            "20_50ms": 4116408,
            "2_5ms": 0,
            "5000_10000ms": 708,
            "500_1000ms": 25210,
            "50_100ms": 975036,
            "5_10ms": 16466,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 8310,
          "mean_ms": 15.599965956646495,
          "measurable": 86689462,
          "min_ms": 9,
          "p50_ms": 12.0,
          "p90_ms": 16.0,
          "p99_ms": 87.0,
          "rows": 86689462,
          "unmeasurable": 0,
          "won_output_rows": 81512142
        }
      }
    },
    "tick_size_change": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 689,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 2756,
        "i": 2756,
        "k": 2756
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 2756,
      "rows_i": 2756,
      "rows_joined": 2756,
      "rows_k": 2756,
      "rows_merged": 2756,
      "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": 0,
            "10_20ms": 2115,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 633,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 8,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 60,
          "mean_ms": 19.09687953555878,
          "measurable": 2756,
          "min_ms": 16,
          "p50_ms": 18.0,
          "p90_ms": 21.0,
          "p99_ms": 37.44999999999982,
          "rows": 2756,
          "unmeasurable": 0,
          "won_output_rows": 63
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 0,
            "10_20ms": 1625,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 1106,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 25,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 68,
          "mean_ms": 19.916908563134978,
          "measurable": 2756,
          "min_ms": 14,
          "p50_ms": 19.0,
          "p90_ms": 22.0,
          "p99_ms": 46.0,
          "rows": 2756,
          "unmeasurable": 0,
          "won_output_rows": 49
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 0,
            "10_20ms": 2653,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 96,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 7,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 90,
          "mean_ms": 13.02322206095791,
          "measurable": 2756,
          "min_ms": 10,
          "p50_ms": 12.0,
          "p90_ms": 15.0,
          "p99_ms": 29.899999999999636,
          "rows": 2756,
          "unmeasurable": 0,
          "won_output_rows": 2644
        }
      }
    }
  },
  "archive_root": "union-staging",
  "boundary_guard": "cache",
  "bytes": 966115256,
  "file": "2026-09-26T08.parquet",
  "generated_by": "tools/orderbook_ab/merge_ab.py",
  "hour": "2026-09-26/08",
  "hour_utc": "2026-09-26T08:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 63331870932395552,
  "merger_git_sha": "fcbb28046152741ae3754e951659977da4c8b36e",
  "min_sequence": 10133100001805174,
  "products": {
    "best_bid_ask": {
      "byte_range": [
        4,
        118400050
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331870932392962,
      "min_sequence": 10133100001805261,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 11173792,
      "row_groups": [
        0,
        42
      ],
      "sha256": "b8c09c5fb86b44f995ba5cdac4910441675afe866e71ffb5468da3de2625c464"
    },
    "book": {
      "byte_range": [
        118400050,
        127722018
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331870932374194,
      "min_sequence": 10133100001810059,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 93614,
      "row_groups": [
        43,
        43
      ],
      "sha256": "47467f7021474c715eb5d91d34a9ae9c44156cf9ec8c392a32d26a6b56dda268"
    },
    "last_trade_price": {
      "byte_range": [
        127722018,
        130214753
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331870932364402,
      "min_sequence": 10133100001868159,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 42802,
      "row_groups": [
        44,
        44
      ],
      "sha256": "e74aa2871de39457ffdcce34aa5e2074ee16622aade4e9ea5126b7198f6557e0"
    },
    "market_resolved": {
      "byte_range": [
        130214753,
        130345109
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331870928434912,
      "min_sequence": 10133100005285238,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 801,
      "row_groups": [
        45,
        45
      ],
      "sha256": "75573e928207ffa0af816e1d6ff1f67ac8b16bd0099595a81b2d25d809d9bf3e"
    },
    "new_market": {
      "byte_range": [
        130345109,
        130451805
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331870930362720,
      "min_sequence": 10133100002305574,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 924,
      "row_groups": [
        46,
        46
      ],
      "sha256": "76081d67722d911250685e7fc6df08868f72b5facbedf2264f3ac85ee768d1d7"
    },
    "price_change": {
      "byte_range": [
        130451805,
        964899263
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331870932395552,
      "min_sequence": 10133100001805174,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 86725974,
      "row_groups": [
        47,
        377
      ],
      "sha256": "6912f91445b4f1490ba52205606200f4b41485a5287f743085878b81f5256fb5"
    },
    "tick_size_change": {
      "byte_range": [
        964899263,
        964999613
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331870922950242,
      "min_sequence": 10133100010629669,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2756,
      "row_groups": [
        378,
        378
      ],
      "sha256": "19d4fd2063490789326e639b9f0565b613ec28bf67d2553eeb4df60e674b66a4"
    }
  },
  "row_count": 98040663,
  "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": "8612d6ff7d52db0c85af03cd5985f34caa18f9ad4a1c5a5de3a09d668c340fab",
  "skipped_witnesses": {
    "c": {
      "alive": false,
      "listed_utc": "2026-09-26T09:35:13.372382Z",
      "newest_upload": "2026-09-25T11:20:09.612000Z",
      "reason": "not_staged"
    },
    "g": {
      "alive": false,
      "listed_utc": "2026-09-26T09:35:29.013893Z",
      "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": "2026-09-26T08.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."
}
