{
  "ab_accounting": {
    "best_bid_ask": {
      "boundary_dropped": 111,
      "class": "PARTIAL",
      "exception_markets": 72626,
      "rows_a": 8678052,
      "rows_b": 0,
      "rows_by_domain": {
        "a": 8678052,
        "b": 0,
        "c": 9066526,
        "e": 9055508,
        "h": 9065620
      },
      "rows_c": 9066526,
      "rows_e": 9055508,
      "rows_h": 9065620,
      "rows_joined": 9068893,
      "rows_merged": 9068782,
      "witness_latency": {
        "a": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 2806,
            "1000_2000ms": 12523,
            "100_200ms": 243263,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 6437,
            "200_500ms": 271752,
            "20_50ms": 7666920,
            "2_5ms": 0,
            "5000_10000ms": 2036,
            "500_1000ms": 77472,
            "50_100ms": 394843,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 25485,
          "mean_ms": 65.3173830947314,
          "measurable": 8678052,
          "min_ms": 30,
          "p50_ms": 36.0,
          "p90_ms": 58.0,
          "p99_ms": 534.0,
          "rows": 8678052,
          "unmeasurable": 0,
          "won_output_rows": 524
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 302,
            "100_200ms": 90977,
            "10_20ms": 232721,
            "1_2ms": 2,
            "2000_5000ms": 8,
            "200_500ms": 135998,
            "20_50ms": 144070,
            "2_5ms": 6586392,
            "5000_10000ms": 8,
            "500_1000ms": 17051,
            "50_100ms": 102808,
            "5_10ms": 1756189,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 6350,
          "mean_ms": 12.497988314377524,
          "measurable": 9066526,
          "min_ms": 1,
          "p50_ms": 4.0,
          "p90_ms": 7.0,
          "p99_ms": 280.0,
          "rows": 9066526,
          "unmeasurable": 0,
          "won_output_rows": 1176
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 13520,
            "1000_2000ms": 57386,
            "100_200ms": 447274,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 36234,
            "200_500ms": 388920,
            "20_50ms": 7101925,
            "2_5ms": 0,
            "5000_10000ms": 19232,
            "500_1000ms": 163639,
            "50_100ms": 825870,
            "5_10ms": 0,
            "ge30000ms": 1508,
            "neg": 0
          },
          "max_ms": 42682,
          "mean_ms": 139.23769345684417,
          "measurable": 9055508,
          "min_ms": 35,
          "p50_ms": 44.0,
          "p90_ms": 130.0,
          "p99_ms": 1462.0,
          "rows": 9055508,
          "unmeasurable": 0,
          "won_output_rows": 9055397
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 2466,
            "1000_2000ms": 16572,
            "100_200ms": 107281,
            "10_20ms": 8177199,
            "1_2ms": 0,
            "2000_5000ms": 18760,
            "200_500ms": 143662,
            "20_50ms": 409447,
            "2_5ms": 0,
            "5000_10000ms": 7677,
            "500_1000ms": 55369,
            "50_100ms": 124653,
            "5_10ms": 16,
            "ge30000ms": 2518,
            "neg": 0
          },
          "max_ms": 58886,
          "mean_ms": 55.52268272881502,
          "measurable": 9065620,
          "min_ms": 9,
          "p50_ms": 12.0,
          "p90_ms": 19.0,
          "p99_ms": 561.0,
          "rows": 9065620,
          "unmeasurable": 0,
          "won_output_rows": 11685
        }
      }
    },
    "book": {
      "boundary_dropped": 34,
      "class": "PARTIAL",
      "exception_markets": 171444,
      "rows_a": 471806,
      "rows_b": 0,
      "rows_by_domain": {
        "a": 471806,
        "b": 0,
        "c": 143106,
        "e": 128468,
        "h": 112478
      },
      "rows_c": 143106,
      "rows_e": 128468,
      "rows_h": 112478,
      "rows_joined": 538738,
      "rows_merged": 538704,
      "witness_latency": {
        "a": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 44056,
            "1000_2000ms": 9072,
            "100_200ms": 12479,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 16720,
            "200_500ms": 10072,
            "20_50ms": 48571,
            "2_5ms": 0,
            "5000_10000ms": 16996,
            "500_1000ms": 7500,
            "50_100ms": 11031,
            "5_10ms": 0,
            "ge30000ms": 295309,
            "neg": 0
          },
          "max_ms": 7972449778,
          "mean_ms": 114837526.80190375,
          "measurable": 471806,
          "min_ms": 30,
          "p50_ms": 76004.0,
          "p90_ms": 30441046.5,
          "p99_ms": 2391997057.0,
          "rows": 471806,
          "unmeasurable": 0,
          "won_output_rows": 350463
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 5136,
            "1000_2000ms": 1702,
            "100_200ms": 1522,
            "10_20ms": 11023,
            "1_2ms": 0,
            "2000_5000ms": 3708,
            "200_500ms": 3049,
            "20_50ms": 4630,
            "2_5ms": 22296,
            "5000_10000ms": 2300,
            "500_1000ms": 992,
            "50_100ms": 2302,
            "5_10ms": 48650,
            "ge30000ms": 35796,
            "neg": 0
          },
          "max_ms": 7972506253,
          "mean_ms": 46514738.84228474,
          "measurable": 143106,
          "min_ms": 2,
          "p50_ms": 10.0,
          "p90_ms": 1210988.5,
          "p99_ms": 1868176919.7,
          "rows": 143106,
          "unmeasurable": 0,
          "won_output_rows": 42887
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 5015,
            "1000_2000ms": 5876,
            "100_200ms": 10635,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 7981,
            "200_500ms": 8167,
            "20_50ms": 42426,
            "2_5ms": 0,
            "5000_10000ms": 5272,
            "500_1000ms": 5694,
            "50_100ms": 12954,
            "5_10ms": 0,
            "ge30000ms": 24448,
            "neg": 0
          },
          "max_ms": 7972628174,
          "mean_ms": 48179014.51129464,
          "measurable": 128468,
          "min_ms": 36,
          "p50_ms": 170.0,
          "p90_ms": 342765.0,
          "p99_ms": 1866570561.0,
          "rows": 128468,
          "unmeasurable": 0,
          "won_output_rows": 128464
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 2148,
            "1000_2000ms": 1359,
            "100_200ms": 3482,
            "10_20ms": 54526,
            "1_2ms": 0,
            "2000_5000ms": 2972,
            "200_500ms": 4344,
            "20_50ms": 24247,
            "2_5ms": 0,
            "5000_10000ms": 1421,
            "500_1000ms": 1883,
            "50_100ms": 4656,
            "5_10ms": 0,
            "ge30000ms": 11440,
            "neg": 0
          },
          "max_ms": 6373991512,
          "mean_ms": 18496301.006561283,
          "measurable": 112478,
          "min_ms": 10,
          "p50_ms": 21.0,
          "p90_ms": 33067.80000000005,
          "p99_ms": 655617028.0,
          "rows": 112478,
          "unmeasurable": 0,
          "won_output_rows": 16890
        }
      }
    },
    "last_trade_price": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 3178,
      "rows_a": 42857,
      "rows_b": 0,
      "rows_by_domain": {
        "a": 42857,
        "b": 0,
        "c": 44986,
        "e": 44454,
        "h": 44991
      },
      "rows_c": 44986,
      "rows_e": 44454,
      "rows_h": 44991,
      "rows_joined": 45002,
      "rows_merged": 45002,
      "witness_latency": {
        "a": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 193,
            "1000_2000ms": 1505,
            "100_200ms": 3253,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 1171,
            "200_500ms": 2940,
            "20_50ms": 22781,
            "2_5ms": 0,
            "5000_10000ms": 288,
            "500_1000ms": 1722,
            "50_100ms": 9004,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 24958,
          "mean_ms": 332.6230720769069,
          "measurable": 42857,
          "min_ms": 33,
          "p50_ms": 46.0,
          "p90_ms": 619.0,
          "p99_ms": 5907.200000000012,
          "rows": 42857,
          "unmeasurable": 0,
          "won_output_rows": 2
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 4,
            "100_200ms": 1003,
            "10_20ms": 9051,
            "1_2ms": 0,
            "2000_5000ms": 15,
            "200_500ms": 833,
            "20_50ms": 7288,
            "2_5ms": 15,
            "5000_10000ms": 0,
            "500_1000ms": 126,
            "50_100ms": 1978,
            "5_10ms": 24673,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4908,
          "mean_ms": 26.284910861156803,
          "measurable": 44986,
          "min_ms": 4,
          "p50_ms": 9.0,
          "p90_ms": 44.0,
          "p99_ms": 314.15000000000146,
          "rows": 44986,
          "unmeasurable": 0,
          "won_output_rows": 4
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 639,
            "1000_2000ms": 2413,
            "100_200ms": 3798,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 2335,
            "200_500ms": 3139,
            "20_50ms": 15702,
            "2_5ms": 0,
            "5000_10000ms": 1637,
            "500_1000ms": 2147,
            "50_100ms": 12598,
            "5_10ms": 0,
            "ge30000ms": 46,
            "neg": 0
          },
          "max_ms": 42690,
          "mean_ms": 858.1469384082422,
          "measurable": 44454,
          "min_ms": 39,
          "p50_ms": 62.0,
          "p90_ms": 2149.7000000000044,
          "p99_ms": 13522.120000000112,
          "rows": 44454,
          "unmeasurable": 0,
          "won_output_rows": 44454
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 2,
            "1000_2000ms": 141,
            "100_200ms": 1684,
            "10_20ms": 26375,
            "1_2ms": 0,
            "2000_5000ms": 121,
            "200_500ms": 1781,
            "20_50ms": 11231,
            "2_5ms": 0,
            "5000_10000ms": 31,
            "500_1000ms": 636,
            "50_100ms": 2986,
            "5_10ms": 0,
            "ge30000ms": 3,
            "neg": 0
          },
          "max_ms": 56308,
          "mean_ms": 70.17470160698807,
          "measurable": 44991,
          "min_ms": 12,
          "p50_ms": 18.0,
          "p90_ms": 97.0,
          "p99_ms": 778.0999999999985,
          "rows": 44991,
          "unmeasurable": 0,
          "won_output_rows": 542
        }
      }
    },
    "market_resolved": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 1501,
      "rows_a": 1481,
      "rows_b": 0,
      "rows_by_domain": {
        "a": 1481,
        "b": 0,
        "c": 1501,
        "e": 1501,
        "h": 1501
      },
      "rows_c": 1501,
      "rows_e": 1501,
      "rows_h": 1501,
      "rows_joined": 1511,
      "rows_merged": 1511,
      "witness_latency": {
        "a": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 7,
            "100_200ms": 124,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 128,
            "20_50ms": 1070,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 54,
            "50_100ms": 98,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1837,
          "mean_ms": 101.58609047940581,
          "measurable": 1481,
          "min_ms": 31,
          "p50_ms": 36.0,
          "p90_ms": 287.0,
          "p99_ms": 865.2000000000019,
          "rows": 1481,
          "unmeasurable": 0,
          "won_output_rows": 3
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 24,
            "10_20ms": 49,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 37,
            "20_50ms": 24,
            "2_5ms": 1042,
            "5000_10000ms": 0,
            "500_1000ms": 4,
            "50_100ms": 17,
            "5_10ms": 304,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 641,
          "mean_ms": 16.313790806129248,
          "measurable": 1501,
          "min_ms": 2,
          "p50_ms": 4.0,
          "p90_ms": 10.0,
          "p99_ms": 314.0,
          "rows": 1501,
          "unmeasurable": 0,
          "won_output_rows": 5
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 21,
            "100_200ms": 166,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 122,
            "20_50ms": 1022,
            "2_5ms": 0,
            "5000_10000ms": 1,
            "500_1000ms": 60,
            "50_100ms": 102,
            "5_10ms": 0,
            "ge30000ms": 7,
            "neg": 0
          },
          "max_ms": 65046,
          "mean_ms": 372.8074616922052,
          "measurable": 1501,
          "min_ms": 41,
          "p50_ms": 44.0,
          "p90_ms": 299.0,
          "p99_ms": 1485.0,
          "rows": 1501,
          "unmeasurable": 0,
          "won_output_rows": 1501
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1,
            "1000_2000ms": 1,
            "100_200ms": 41,
            "10_20ms": 1110,
            "1_2ms": 0,
            "2000_5000ms": 5,
            "200_500ms": 43,
            "20_50ms": 204,
            "2_5ms": 0,
            "5000_10000ms": 1,
            "500_1000ms": 13,
            "50_100ms": 76,
            "5_10ms": 0,
            "ge30000ms": 6,
            "neg": 0
          },
          "max_ms": 61266,
          "mean_ms": 248.01798800799466,
          "measurable": 1501,
          "min_ms": 10,
          "p50_ms": 13.0,
          "p90_ms": 67.0,
          "p99_ms": 814.0,
          "rows": 1501,
          "unmeasurable": 0,
          "won_output_rows": 2
        }
      }
    },
    "new_market": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 3420,
      "rows_a": 3420,
      "rows_b": 0,
      "rows_by_domain": {
        "a": 3420,
        "b": 0,
        "c": 3420,
        "e": 3420,
        "h": 3420
      },
      "rows_c": 3420,
      "rows_e": 3420,
      "rows_h": 3420,
      "rows_joined": 5012,
      "rows_merged": 5012,
      "witness_latency": {
        "a": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 556,
            "1000_2000ms": 0,
            "100_200ms": 595,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 1081,
            "20_50ms": 166,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 120,
            "50_100ms": 192,
            "5_10ms": 0,
            "ge30000ms": 710,
            "neg": 0
          },
          "max_ms": 272804,
          "mean_ms": 13491.966666666667,
          "measurable": 3420,
          "min_ms": 34,
          "p50_ms": 361.0,
          "p90_ms": 48701.9,
          "p99_ms": 63956.159999999996,
          "rows": 3420,
          "unmeasurable": 0,
          "won_output_rows": 394
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 490,
            "1000_2000ms": 0,
            "100_200ms": 353,
            "10_20ms": 125,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 407,
            "20_50ms": 513,
            "2_5ms": 0,
            "5000_10000ms": 2,
            "500_1000ms": 0,
            "50_100ms": 687,
            "5_10ms": 47,
            "ge30000ms": 796,
            "neg": 0
          },
          "max_ms": 187325,
          "mean_ms": 14032.780116959064,
          "measurable": 3420,
          "min_ms": 6,
          "p50_ms": 165.0,
          "p90_ms": 50241.4,
          "p99_ms": 69056.86,
          "rows": 3420,
          "unmeasurable": 0,
          "won_output_rows": 260
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 502,
            "1000_2000ms": 0,
            "100_200ms": 587,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 902,
            "20_50ms": 70,
            "2_5ms": 0,
            "5000_10000ms": 3,
            "500_1000ms": 40,
            "50_100ms": 551,
            "5_10ms": 0,
            "ge30000ms": 765,
            "neg": 0
          },
          "max_ms": 435602,
          "mean_ms": 13793.334210526316,
          "measurable": 3420,
          "min_ms": 45,
          "p50_ms": 273.0,
          "p90_ms": 49976.399999999994,
          "p99_ms": 66564.66999999998,
          "rows": 3420,
          "unmeasurable": 0,
          "won_output_rows": 3420
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 493,
            "1000_2000ms": 0,
            "100_200ms": 813,
            "10_20ms": 103,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 575,
            "20_50ms": 288,
            "2_5ms": 0,
            "5000_10000ms": 1,
            "500_1000ms": 15,
            "50_100ms": 372,
            "5_10ms": 0,
            "ge30000ms": 760,
            "neg": 0
          },
          "max_ms": 167699,
          "mean_ms": 13864.844444444445,
          "measurable": 3420,
          "min_ms": 14,
          "p50_ms": 230.0,
          "p90_ms": 49995.799999999996,
          "p99_ms": 64503.729999999996,
          "rows": 3420,
          "unmeasurable": 0,
          "won_output_rows": 938
        }
      }
    },
    "price_change": {
      "boundary_dropped": 1080,
      "class": "PARTIAL",
      "exception_markets": 129761,
      "rows_a": 86610068,
      "rows_b": 0,
      "rows_by_domain": {
        "a": 86610068,
        "b": 0,
        "c": 90210554,
        "e": 89928030,
        "h": 90195182
      },
      "rows_c": 90210554,
      "rows_e": 89928030,
      "rows_h": 90195182,
      "rows_joined": 90225088,
      "rows_merged": 90224008,
      "witness_latency": {
        "a": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 70818,
            "1000_2000ms": 329868,
            "100_200ms": 2935726,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 187866,
            "200_500ms": 3040876,
            "20_50ms": 73801194,
            "2_5ms": 0,
            "5000_10000ms": 73464,
            "500_1000ms": 1001970,
            "50_100ms": 5168286,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 25497,
          "mean_ms": 88.18898992204925,
          "measurable": 86610068,
          "min_ms": 30,
          "p50_ms": 36.0,
          "p90_ms": 82.0,
          "p99_ms": 778.0,
          "rows": 86610068,
          "unmeasurable": 0,
          "won_output_rows": 3970
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 2980,
            "100_200ms": 939184,
            "10_20ms": 2554700,
            "1_2ms": 2,
            "2000_5000ms": 110,
            "200_500ms": 1390338,
            "20_50ms": 1545470,
            "2_5ms": 62606060,
            "5000_10000ms": 60,
            "500_1000ms": 176412,
            "50_100ms": 1046730,
            "5_10ms": 19948508,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 6491,
          "mean_ms": 12.89242456043447,
          "measurable": 90210554,
          "min_ms": 1,
          "p50_ms": 4.0,
          "p90_ms": 8.0,
          "p99_ms": 283.0,
          "rows": 90210554,
          "unmeasurable": 0,
          "won_output_rows": 12778
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 325266,
            "1000_2000ms": 869986,
            "100_200ms": 5320340,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 661072,
            "200_500ms": 4213034,
            "20_50ms": 66290966,
            "2_5ms": 0,
            "5000_10000ms": 380366,
            "500_1000ms": 1978682,
            "50_100ms": 9859550,
            "5_10ms": 0,
            "ge30000ms": 28768,
            "neg": 0
          },
          "max_ms": 42726,
          "mean_ms": 216.30166863435127,
          "measurable": 89928030,
          "min_ms": 35,
          "p50_ms": 44.0,
          "p90_ms": 180.0,
          "p99_ms": 3749.0,
          "rows": 89928030,
          "unmeasurable": 0,
          "won_output_rows": 89926952
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 23802,
            "1000_2000ms": 176982,
            "100_200ms": 1139060,
            "10_20ms": 80302122,
            "1_2ms": 0,
            "2000_5000ms": 189130,
            "200_500ms": 1497232,
            "20_50ms": 4828082,
            "2_5ms": 0,
            "5000_10000ms": 80766,
            "500_1000ms": 568784,
            "50_100ms": 1369440,
            "5_10ms": 14,
            "ge30000ms": 19768,
            "neg": 0
          },
          "max_ms": 61095,
          "mean_ms": 54.226964939213715,
          "measurable": 90195182,
          "min_ms": 9,
          "p50_ms": 12.0,
          "p90_ms": 21.0,
          "p99_ms": 575.0,
          "rows": 90195182,
          "unmeasurable": 0,
          "won_output_rows": 280308
        }
      }
    },
    "tick_size_change": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 931,
      "rows_a": 3700,
      "rows_b": 0,
      "rows_by_domain": {
        "a": 3700,
        "b": 0,
        "c": 3724,
        "e": 3724,
        "h": 3724
      },
      "rows_c": 3724,
      "rows_e": 3724,
      "rows_h": 3724,
      "rows_joined": 3724,
      "rows_merged": 3724,
      "witness_latency": {
        "a": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 4,
            "1000_2000ms": 4,
            "100_200ms": 180,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 514,
            "20_50ms": 2670,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 169,
            "50_100ms": 159,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 11540,
          "mean_ms": 128.35891891891893,
          "measurable": 3700,
          "min_ms": 31,
          "p50_ms": 37.0,
          "p90_ms": 403.0999999999999,
          "p99_ms": 791.0,
          "rows": 3700,
          "unmeasurable": 0
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 145,
            "10_20ms": 96,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 279,
            "20_50ms": 92,
            "2_5ms": 2279,
            "5000_10000ms": 0,
            "500_1000ms": 52,
            "50_100ms": 112,
            "5_10ms": 669,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 863,
          "mean_ms": 47.00241675617615,
          "measurable": 3724,
          "min_ms": 2,
          "p50_ms": 4.0,
          "p90_ms": 171.10000000000082,
          "p99_ms": 586.0,
          "rows": 3724,
          "unmeasurable": 0
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 24,
            "1000_2000ms": 28,
            "100_200ms": 356,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 8,
            "200_500ms": 436,
            "20_50ms": 2178,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 424,
            "50_100ms": 270,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 11290,
          "mean_ms": 250.8579484425349,
          "measurable": 3724,
          "min_ms": 38,
          "p50_ms": 45.0,
          "p90_ms": 598.0,
          "p99_ms": 1483.0,
          "rows": 3724,
          "unmeasurable": 0,
          "won_output_rows": 3724
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 8,
            "1000_2000ms": 13,
            "100_200ms": 120,
            "10_20ms": 2758,
            "1_2ms": 0,
            "2000_5000ms": 28,
            "200_500ms": 263,
            "20_50ms": 221,
            "2_5ms": 0,
            "5000_10000ms": 12,
            "500_1000ms": 128,
            "50_100ms": 173,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 21236,
          "mean_ms": 153.03195488721803,
          "measurable": 3724,
          "min_ms": 10,
          "p50_ms": 12.0,
          "p90_ms": 276.0,
          "p99_ms": 2392.77,
          "rows": 3724,
          "unmeasurable": 0
        }
      }
    }
  },
  "archive_root": "union-staging",
  "boundary_guard": "cache",
  "bytes": 1022944066,
  "file": "2026-08-30T04.parquet",
  "generated_by": "tools/orderbook_ab/merge_ab.py",
  "hour": "2026-08-30/04",
  "hour_utc": "2026-08-30T04:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 79938893451933328,
  "merger_git_sha": "4b62fc9b20e966fbf2a7877895dbf6e0f609dfb6",
  "min_sequence": 281482005854968,
  "products": {
    "best_bid_ask": {
      "byte_range": [
        4,
        101208834
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 79938893432652931,
      "min_sequence": 281482005855041,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 9068782,
      "row_groups": [
        0,
        34
      ],
      "sha256": "e5b2e8e795877444238bf25eccafba7a434d4e0581e9858f3329f8ea691a46ec"
    },
    "book": {
      "byte_range": [
        101208834,
        153391263
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 79938893451739961,
      "min_sequence": 281482005855521,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 538704,
      "row_groups": [
        35,
        37
      ],
      "sha256": "9932ed492bcaada15181f9a3a6a37f8321f9b135c8f273d089b477e3dbe6b366"
    },
    "last_trade_price": {
      "byte_range": [
        153391263,
        156015785
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 79938893449494415,
      "min_sequence": 281482005860574,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 45002,
      "row_groups": [
        38,
        38
      ],
      "sha256": "08e906dd94150433b9942af7479a86978aca73e168dfe6b1c105202d4b8f2bb4"
    },
    "market_resolved": {
      "byte_range": [
        156015785,
        156259487
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 79938893450955676,
      "min_sequence": 281482006877363,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1511,
      "row_groups": [
        39,
        39
      ],
      "sha256": "7f4c46acc2e8549f6bbd896e8ed8d688db2f25b38e40b1c220c00ca4d8ea4746"
    },
    "new_market": {
      "byte_range": [
        156259487,
        156777196
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 79938893447518756,
      "min_sequence": 281482006212197,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 5012,
      "row_groups": [
        40,
        40
      ],
      "sha256": "02493845c208787d1c878518b0edb6820cc43bd4ef1c39db72cf22c38112798c"
    },
    "price_change": {
      "byte_range": [
        156777196,
        1021666020
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 79938893451933328,
      "min_sequence": 281482005854968,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 90224008,
      "row_groups": [
        41,
        385
      ],
      "sha256": "41b85634b9504a80e0bfbf5d3f3b661cc3a7cbeb4914674c60f08a9e5be414db"
    },
    "tick_size_change": {
      "byte_range": [
        1021666020,
        1021802980
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 281482104849187,
      "min_sequence": 281482009080694,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 3724,
      "row_groups": [
        386,
        386
      ],
      "sha256": "d5c49c18d7d3005ec9f7d8a938acd9bacc7787371fc87966734f83a8ec726ae1"
    }
  },
  "row_count": 99886743,
  "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, b, c, h, e)",
  "sha256": "7345e8b451a7baafae9aacd5ac2f6b01936a03d7a8d40e6d99f1409207571d04",
  "supersedes": {
    "manifest_sha256": "ee9a440d4c9723c8ce1491e0647d99323bc6498b8d92c3f511242c78eb9b1b57",
    "reason": "witnesses_added",
    "row_count_before": 99886743,
    "witnesses_before": "ache"
  },
  "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": "2026-08-30T04.witness_stats.json",
  "witnesses": "abche",
  "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."
}