{
  "ab_accounting": {
    "best_bid_ask": {
      "boundary_dropped": 116,
      "class": "PARTIAL",
      "exception_markets": 74190,
      "rows_by_domain": {
        "c": 8875384,
        "e": 10010525,
        "f": 10028728,
        "g": 0,
        "h": 10036917
      },
      "rows_c": 8875384,
      "rows_e": 10010525,
      "rows_f": 10028728,
      "rows_g": 0,
      "rows_h": 10036917,
      "rows_joined": 10044055,
      "rows_merged": 10043939,
      "unique_by_domain": {
        "c": 1833,
        "e": 378,
        "f": 865,
        "g": 0,
        "h": 1895
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 540,
            "100_200ms": 173861,
            "10_20ms": 884143,
            "1_2ms": 0,
            "2000_5000ms": 50,
            "200_500ms": 109506,
            "20_50ms": 563650,
            "2_5ms": 1442591,
            "5000_10000ms": 0,
            "500_1000ms": 9216,
            "50_100ms": 268303,
            "5_10ms": 5423524,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 3356,
          "mean_ms": 16.723450838859478,
          "measurable": 8875384,
          "min_ms": 2,
          "p50_ms": 6.0,
          "p90_ms": 27.0,
          "p99_ms": 231.0,
          "rows": 8875384,
          "unmeasurable": 0,
          "won_output_rows": 8077650
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 7640,
            "1000_2000ms": 12046,
            "100_200ms": 547031,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 15438,
            "200_500ms": 331893,
            "20_50ms": 7643662,
            "2_5ms": 0,
            "5000_10000ms": 11676,
            "500_1000ms": 46211,
            "50_100ms": 1394892,
            "5_10ms": 0,
            "ge30000ms": 36,
            "neg": 0
          },
          "max_ms": 30902,
          "mean_ms": 87.92242664595513,
          "measurable": 10010525,
          "min_ms": 35,
          "p50_ms": 43.0,
          "p90_ms": 97.0,
          "p99_ms": 478.0,
          "rows": 10010525,
          "unmeasurable": 0,
          "won_output_rows": 150506
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 5113,
            "1000_2000ms": 11858,
            "100_200ms": 600436,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 11398,
            "200_500ms": 375805,
            "20_50ms": 6441244,
            "2_5ms": 0,
            "5000_10000ms": 8253,
            "500_1000ms": 58868,
            "50_100ms": 2515753,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 29964,
          "mean_ms": 86.89192697219428,
          "measurable": 10028728,
          "min_ms": 41,
          "p50_ms": 48.0,
          "p90_ms": 106.0,
          "p99_ms": 487.0,
          "rows": 10028728,
          "unmeasurable": 0,
          "won_output_rows": 78448
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 298,
            "1000_2000ms": 17597,
            "100_200ms": 219514,
            "10_20ms": 7128190,
            "1_2ms": 0,
            "2000_5000ms": 15064,
            "200_500ms": 165557,
            "20_50ms": 1985990,
            "2_5ms": 0,
            "5000_10000ms": 6108,
            "500_1000ms": 60755,
            "50_100ms": 437708,
            "5_10ms": 0,
            "ge30000ms": 136,
            "neg": 0
          },
          "max_ms": 51841,
          "mean_ms": 45.16850094506112,
          "measurable": 10036917,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 45.0,
          "p99_ms": 497.0,
          "rows": 10036917,
          "unmeasurable": 0,
          "won_output_rows": 1737335
        }
      }
    },
    "book": {
      "boundary_dropped": 110,
      "class": "PARTIAL",
      "exception_markets": 164143,
      "rows_by_domain": {
        "c": 1099704,
        "e": 147955,
        "f": 142323,
        "g": 0,
        "h": 146272
      },
      "rows_c": 1099704,
      "rows_e": 147955,
      "rows_f": 142323,
      "rows_g": 0,
      "rows_h": 146272,
      "rows_joined": 1147507,
      "rows_merged": 1147397,
      "unique_by_domain": {
        "c": 964999,
        "e": 15980,
        "f": 7093,
        "g": 0,
        "h": 8698
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 84954,
            "1000_2000ms": 14452,
            "100_200ms": 6762,
            "10_20ms": 20534,
            "1_2ms": 0,
            "2000_5000ms": 33578,
            "200_500ms": 8544,
            "20_50ms": 11133,
            "2_5ms": 1959,
            "5000_10000ms": 35344,
            "500_1000ms": 8322,
            "50_100ms": 7367,
            "5_10ms": 68384,
            "ge30000ms": 798371,
            "neg": 0
          },
          "max_ms": 9927317250,
          "mean_ms": 195134797.04886314,
          "measurable": 1099704,
          "min_ms": 3,
          "p50_ms": 297550.5,
          "p90_ms": 273153625.0,
          "p99_ms": 3809386253.97,
          "rows": 1099704,
          "unmeasurable": 0,
          "won_output_rows": 1075825
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 5554,
            "1000_2000ms": 4922,
            "100_200ms": 16378,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 11466,
            "200_500ms": 11953,
            "20_50ms": 53109,
            "2_5ms": 0,
            "5000_10000ms": 5470,
            "500_1000ms": 4188,
            "50_100ms": 18650,
            "5_10ms": 0,
            "ge30000ms": 16265,
            "neg": 0
          },
          "max_ms": 8326938991,
          "mean_ms": 24993787.05672671,
          "measurable": 147955,
          "min_ms": 36,
          "p50_ms": 112.0,
          "p90_ms": 51272.0,
          "p99_ms": 1039009994.3599954,
          "rows": 147955,
          "unmeasurable": 0,
          "won_output_rows": 22934
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 5068,
            "1000_2000ms": 5774,
            "100_200ms": 17035,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 12100,
            "200_500ms": 13454,
            "20_50ms": 35160,
            "2_5ms": 0,
            "5000_10000ms": 5451,
            "500_1000ms": 5206,
            "50_100ms": 34129,
            "5_10ms": 0,
            "ge30000ms": 8946,
            "neg": 0
          },
          "max_ms": 9923932813,
          "mean_ms": 15514019.918186098,
          "measurable": 142323,
          "min_ms": 42,
          "p50_ms": 108.0,
          "p90_ms": 9742.0,
          "p99_ms": 191263306.0,
          "rows": 142323,
          "unmeasurable": 0,
          "won_output_rows": 13396
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 946,
            "1000_2000ms": 2608,
            "100_200ms": 8404,
            "10_20ms": 27389,
            "1_2ms": 0,
            "2000_5000ms": 6603,
            "200_500ms": 6126,
            "20_50ms": 70754,
            "2_5ms": 0,
            "5000_10000ms": 813,
            "500_1000ms": 2240,
            "50_100ms": 13131,
            "5_10ms": 0,
            "ge30000ms": 7258,
            "neg": 0
          },
          "max_ms": 8327471855,
          "mean_ms": 16811992.309635475,
          "measurable": 146272,
          "min_ms": 15,
          "p50_ms": 26.0,
          "p90_ms": 2263.0,
          "p99_ms": 97665169.0,
          "rows": 146272,
          "unmeasurable": 0,
          "won_output_rows": 35242
        }
      }
    },
    "last_trade_price": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 3276,
      "rows_by_domain": {
        "c": 55438,
        "e": 57440,
        "f": 59444,
        "g": 0,
        "h": 62409
      },
      "rows_c": 55438,
      "rows_e": 57440,
      "rows_f": 59444,
      "rows_g": 0,
      "rows_h": 62409,
      "rows_joined": 62969,
      "rows_merged": 62969,
      "unique_by_domain": {
        "c": 40,
        "e": 7,
        "f": 41,
        "g": 0,
        "h": 374
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 26,
            "100_200ms": 1626,
            "10_20ms": 7901,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 945,
            "20_50ms": 4587,
            "2_5ms": 1639,
            "5000_10000ms": 0,
            "500_1000ms": 80,
            "50_100ms": 2416,
            "5_10ms": 36218,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1542,
          "mean_ms": 22.224917926332118,
          "measurable": 55438,
          "min_ms": 3,
          "p50_ms": 7.0,
          "p90_ms": 44.0,
          "p99_ms": 264.6299999999974,
          "rows": 55438,
          "unmeasurable": 0,
          "won_output_rows": 50152
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1619,
            "1000_2000ms": 1506,
            "100_200ms": 6118,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 2403,
            "200_500ms": 5023,
            "20_50ms": 23098,
            "2_5ms": 0,
            "5000_10000ms": 2225,
            "500_1000ms": 1744,
            "50_100ms": 13700,
            "5_10ms": 0,
            "ge30000ms": 4,
            "neg": 0
          },
          "max_ms": 30381,
          "mean_ms": 963.0902855153204,
          "measurable": 57440,
          "min_ms": 35,
          "p50_ms": 71.0,
          "p90_ms": 2463.0,
          "p99_ms": 14328.220000000001,
          "rows": 57440,
          "unmeasurable": 0,
          "won_output_rows": 774
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1816,
            "1000_2000ms": 1991,
            "100_200ms": 6741,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 3008,
            "200_500ms": 5821,
            "20_50ms": 15900,
            "2_5ms": 0,
            "5000_10000ms": 2319,
            "500_1000ms": 2351,
            "50_100ms": 19497,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 29972,
          "mean_ms": 1041.6875883184173,
          "measurable": 59444,
          "min_ms": 42,
          "p50_ms": 84.0,
          "p90_ms": 2854.7000000000044,
          "p99_ms": 14485.71,
          "rows": 59444,
          "unmeasurable": 0,
          "won_output_rows": 807
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 3,
            "1000_2000ms": 191,
            "100_200ms": 3347,
            "10_20ms": 30221,
            "1_2ms": 0,
            "2000_5000ms": 213,
            "200_500ms": 2684,
            "20_50ms": 19641,
            "2_5ms": 0,
            "5000_10000ms": 100,
            "500_1000ms": 838,
            "50_100ms": 5171,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 18053,
          "mean_ms": 79.06535916294125,
          "measurable": 62409,
          "min_ms": 15,
          "p50_ms": 20.0,
          "p90_ms": 121.0,
          "p99_ms": 886.7599999999948,
          "rows": 62409,
          "unmeasurable": 0,
          "won_output_rows": 11236
        }
      }
    },
    "market_resolved": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 848,
      "rows_by_domain": {
        "c": 791,
        "e": 848,
        "f": 848,
        "g": 0,
        "h": 848
      },
      "rows_c": 791,
      "rows_e": 848,
      "rows_f": 848,
      "rows_g": 0,
      "rows_h": 848,
      "rows_joined": 933,
      "rows_merged": 933,
      "unique_by_domain": {
        "c": 36,
        "e": 26,
        "f": 0,
        "g": 0,
        "h": 0
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 17,
            "10_20ms": 64,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 12,
            "20_50ms": 51,
            "2_5ms": 72,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 24,
            "5_10ms": 453,
            "ge30000ms": 98,
            "neg": 0
          },
          "max_ms": 325183,
          "mean_ms": 22781.49304677623,
          "measurable": 791,
          "min_ms": 4,
          "p50_ms": 7.0,
          "p90_ms": 42969.0,
          "p99_ms": 259366.40000000002,
          "rows": 791,
          "unmeasurable": 0,
          "won_output_rows": 642
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 59,
            "1000_2000ms": 0,
            "100_200ms": 113,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 49,
            "20_50ms": 422,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 13,
            "50_100ms": 89,
            "5_10ms": 0,
            "ge30000ms": 103,
            "neg": 0
          },
          "max_ms": 128824,
          "mean_ms": 8103.377358490566,
          "measurable": 848,
          "min_ms": 36,
          "p50_ms": 50.0,
          "p90_ms": 39286.5,
          "p99_ms": 60199.119999999995,
          "rows": 848,
          "unmeasurable": 0,
          "won_output_rows": 175
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 59,
            "1000_2000ms": 0,
            "100_200ms": 117,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 78,
            "20_50ms": 386,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 18,
            "50_100ms": 136,
            "5_10ms": 0,
            "ge30000ms": 54,
            "neg": 0
          },
          "max_ms": 63884,
          "mean_ms": 5275.739386792453,
          "measurable": 848,
          "min_ms": 42,
          "p50_ms": 51.0,
          "p90_ms": 26575.2,
          "p99_ms": 61193.119999999995,
          "rows": 848,
          "unmeasurable": 0,
          "won_output_rows": 8
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 59,
            "1000_2000ms": 1,
            "100_200ms": 29,
            "10_20ms": 389,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 15,
            "20_50ms": 199,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 6,
            "50_100ms": 73,
            "5_10ms": 0,
            "ge30000ms": 77,
            "neg": 0
          },
          "max_ms": 62559,
          "mean_ms": 6644.320754716981,
          "measurable": 848,
          "min_ms": 15,
          "p50_ms": 21.0,
          "p90_ms": 27881.199999999997,
          "p99_ms": 61809.649999999994,
          "rows": 848,
          "unmeasurable": 0,
          "won_output_rows": 108
        }
      }
    },
    "new_market": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 6013,
      "rows_by_domain": {
        "c": 6122,
        "e": 6010,
        "f": 6013,
        "g": 0,
        "h": 6011
      },
      "rows_c": 6122,
      "rows_e": 6010,
      "rows_f": 6013,
      "rows_g": 0,
      "rows_h": 6011,
      "rows_joined": 9023,
      "rows_merged": 9023,
      "unique_by_domain": {
        "c": 761,
        "e": 322,
        "f": 841,
        "g": 0,
        "h": 272
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 136,
            "1000_2000ms": 0,
            "100_200ms": 829,
            "10_20ms": 582,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 422,
            "20_50ms": 1453,
            "2_5ms": 0,
            "5000_10000ms": 1,
            "500_1000ms": 1,
            "50_100ms": 1298,
            "5_10ms": 232,
            "ge30000ms": 1168,
            "neg": 0
          },
          "max_ms": 739109,
          "mean_ms": 31621.187683763477,
          "measurable": 6122,
          "min_ms": 5,
          "p50_ms": 73.0,
          "p90_ms": 108369.50000000012,
          "p99_ms": 339610.7099999998,
          "rows": 6122,
          "unmeasurable": 0,
          "won_output_rows": 4384
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 180,
            "1000_2000ms": 0,
            "100_200ms": 1914,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 1623,
            "20_50ms": 172,
            "2_5ms": 0,
            "5000_10000ms": 2,
            "500_1000ms": 40,
            "50_100ms": 1385,
            "5_10ms": 0,
            "ge30000ms": 694,
            "neg": 0
          },
          "max_ms": 739982,
          "mean_ms": 16771.48602329451,
          "measurable": 6010,
          "min_ms": 43,
          "p50_ms": 174.0,
          "p90_ms": 46104.600000000006,
          "p99_ms": 617706.2599999997,
          "rows": 6010,
          "unmeasurable": 0,
          "won_output_rows": 1007
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 313,
            "1000_2000ms": 0,
            "100_200ms": 1756,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 1626,
            "20_50ms": 20,
            "2_5ms": 0,
            "5000_10000ms": 1,
            "500_1000ms": 54,
            "50_100ms": 1426,
            "5_10ms": 0,
            "ge30000ms": 817,
            "neg": 0
          },
          "max_ms": 912888,
          "mean_ms": 22367.349908531516,
          "measurable": 6013,
          "min_ms": 45,
          "p50_ms": 187.0,
          "p90_ms": 57787.20000000001,
          "p99_ms": 670343.8,
          "rows": 6013,
          "unmeasurable": 0,
          "won_output_rows": 1238
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 191,
            "1000_2000ms": 0,
            "100_200ms": 1710,
            "10_20ms": 1,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 670,
            "20_50ms": 1389,
            "2_5ms": 0,
            "5000_10000ms": 1,
            "500_1000ms": 4,
            "50_100ms": 1396,
            "5_10ms": 0,
            "ge30000ms": 649,
            "neg": 0
          },
          "max_ms": 739141,
          "mean_ms": 18034.47279986691,
          "measurable": 6011,
          "min_ms": 19,
          "p50_ms": 112.0,
          "p90_ms": 39017.0,
          "p99_ms": 642687.5999999999,
          "rows": 6011,
          "unmeasurable": 0,
          "won_output_rows": 2394
        }
      }
    },
    "price_change": {
      "boundary_dropped": 872,
      "class": "PARTIAL",
      "exception_markets": 127735,
      "rows_by_domain": {
        "c": 84821926,
        "e": 94595239,
        "f": 95276312,
        "g": 0,
        "h": 95861316
      },
      "rows_c": 84821926,
      "rows_e": 94595239,
      "rows_f": 95276312,
      "rows_g": 0,
      "rows_h": 95861316,
      "rows_joined": 96197094,
      "rows_merged": 96196222,
      "unique_by_domain": {
        "c": 86192,
        "e": 5440,
        "f": 5228,
        "g": 0,
        "h": 79438
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 2,
            "1000_2000ms": 7984,
            "100_200ms": 1855622,
            "10_20ms": 9143792,
            "1_2ms": 0,
            "2000_5000ms": 502,
            "200_500ms": 1186952,
            "20_50ms": 5940172,
            "2_5ms": 11502645,
            "5000_10000ms": 6,
            "500_1000ms": 116610,
            "50_100ms": 2882540,
            "5_10ms": 52185099,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 10111,
          "mean_ms": 18.322984307147188,
          "measurable": 84821926,
          "min_ms": 2,
          "p50_ms": 6.0,
          "p90_ms": 32.0,
          "p99_ms": 246.0,
          "rows": 84821926,
          "unmeasurable": 0,
          "won_output_rows": 76941484
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 369058,
            "1000_2000ms": 572140,
            "100_200ms": 6402929,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 913310,
            "200_500ms": 4201671,
            "20_50ms": 66280567,
            "2_5ms": 0,
            "5000_10000ms": 641024,
            "500_1000ms": 943494,
            "50_100ms": 14269160,
            "5_10ms": 0,
            "ge30000ms": 1886,
            "neg": 0
          },
          "max_ms": 31246,
          "mean_ms": 212.65284824746834,
          "measurable": 94595239,
          "min_ms": 35,
          "p50_ms": 44.0,
          "p90_ms": 158.0,
          "p99_ms": 5332.0,
          "rows": 94595239,
          "unmeasurable": 0,
          "won_output_rows": 1444499
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 417538,
            "1000_2000ms": 652906,
            "100_200ms": 6880292,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 839644,
            "200_500ms": 4659630,
            "20_50ms": 54810742,
            "2_5ms": 0,
            "5000_10000ms": 542136,
            "500_1000ms": 1172252,
            "50_100ms": 25301172,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 29994,
          "mean_ms": 220.7758660305827,
          "measurable": 95276312,
          "min_ms": 41,
          "p50_ms": 49.0,
          "p90_ms": 171.0,
          "p99_ms": 5043.0,
          "rows": 95276312,
          "unmeasurable": 0,
          "won_output_rows": 822670
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 6478,
            "1000_2000ms": 245086,
            "100_200ms": 2701656,
            "10_20ms": 62900864,
            "1_2ms": 0,
            "2000_5000ms": 158004,
            "200_500ms": 2011596,
            "20_50ms": 21939752,
            "2_5ms": 0,
            "5000_10000ms": 71512,
            "500_1000ms": 762452,
            "50_100ms": 5062750,
            "5_10ms": 0,
            "ge30000ms": 1166,
            "neg": 0
          },
          "max_ms": 54061,
          "mean_ms": 52.30018905644901,
          "measurable": 95861316,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 58.0,
          "p99_ms": 646.0,
          "rows": 95861316,
          "unmeasurable": 0,
          "won_output_rows": 16987569
        }
      }
    },
    "tick_size_change": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 811,
      "rows_by_domain": {
        "c": 2844,
        "e": 3240,
        "f": 3244,
        "g": 0,
        "h": 3244
      },
      "rows_c": 2844,
      "rows_e": 3240,
      "rows_f": 3244,
      "rows_g": 0,
      "rows_h": 3244,
      "rows_joined": 3244,
      "rows_merged": 3244,
      "unique_by_domain": {
        "c": 0,
        "e": 0,
        "f": 0,
        "g": 0,
        "h": 0
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 16,
            "10_20ms": 254,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 8,
            "20_50ms": 124,
            "2_5ms": 564,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 56,
            "5_10ms": 1822,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 471,
          "mean_ms": 10.415611814345992,
          "measurable": 2844,
          "min_ms": 3,
          "p50_ms": 6.0,
          "p90_ms": 13.0,
          "p99_ms": 94.0,
          "rows": 2844,
          "unmeasurable": 0,
          "won_output_rows": 2712
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 8,
            "100_200ms": 159,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 24,
            "20_50ms": 2656,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 393,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1370,
          "mean_ms": 54.42777777777778,
          "measurable": 3240,
          "min_ms": 36,
          "p50_ms": 44.0,
          "p90_ms": 77.0,
          "p99_ms": 193.0,
          "rows": 3240,
          "unmeasurable": 0,
          "won_output_rows": 25
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 4,
            "100_200ms": 150,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 17,
            "20_50ms": 2280,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 4,
            "50_100ms": 789,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1129,
          "mean_ms": 56.6982120838471,
          "measurable": 3244,
          "min_ms": 42,
          "p50_ms": 48.0,
          "p90_ms": 71.70000000000027,
          "p99_ms": 179.0,
          "rows": 3244,
          "unmeasurable": 0,
          "won_output_rows": 13
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 68,
            "10_20ms": 2267,
            "1_2ms": 0,
            "2000_5000ms": 4,
            "200_500ms": 8,
            "20_50ms": 777,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 4,
            "50_100ms": 116,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 2808,
          "mean_ms": 29.945745992601726,
          "measurable": 3244,
          "min_ms": 15,
          "p50_ms": 18.0,
          "p90_ms": 40.0,
          "p99_ms": 175.0,
          "rows": 3244,
          "unmeasurable": 0,
          "won_output_rows": 494
        }
      }
    }
  },
  "archive_root": "union-staging",
  "boundary_guard": "cache",
  "bytes": 1166665554,
  "file": "2026-09-21T19.parquet",
  "generated_by": "tools/orderbook_ab/merge_ab.py",
  "hour": "2026-09-21/19",
  "hour_utc": "2026-09-21T19:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 295267250575235131,
  "merger_git_sha": "fcbb28046152741ae3754e951659977da4c8b36e",
  "min_sequence": 8162777031101061,
  "products": {
    "best_bid_ask": {
      "byte_range": [
        4,
        119407707
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 295267250575235125,
      "min_sequence": 8162777031124167,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 10043939,
      "row_groups": [
        0,
        38
      ],
      "sha256": "adeb2131bea7e777fe181d475fced7a1c74ff64c32634132cc9431f1b758970c"
    },
    "book": {
      "byte_range": [
        119407707,
        187045620
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 295267250575235011,
      "min_sequence": 8162777031827721,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1147397,
      "row_groups": [
        39,
        43
      ],
      "sha256": "b240d9d5fa758b4260629c05546c20c172088d7436a6144eea267610475970b5"
    },
    "last_trade_price": {
      "byte_range": [
        187045620,
        190580419
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 295267250575227453,
      "min_sequence": 8162777031827712,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 62969,
      "row_groups": [
        44,
        44
      ],
      "sha256": "e8750b1a7cbb175aabaffe31e78d07bbae148024124021b0dd2df11c9a442260"
    },
    "market_resolved": {
      "byte_range": [
        190580419,
        190716960
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 295267250573547218,
      "min_sequence": 8162777044635730,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 933,
      "row_groups": [
        45,
        45
      ],
      "sha256": "40dc8488f02eda6d5eca2fcdb7adf90fd8ea394e0c2d9b85b1ffa4a82e9f5734"
    },
    "new_market": {
      "byte_range": [
        190716960,
        191644063
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 295267250575150908,
      "min_sequence": 8162777036901126,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 9023,
      "row_groups": [
        46,
        46
      ],
      "sha256": "df42aad4f48514f97b0dc55a2f3e35c1966c06b2ddc246342ffc5ee931f92279"
    },
    "price_change": {
      "byte_range": [
        191644063,
        1165322904
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 295267250575235131,
      "min_sequence": 8162777031101061,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 96196222,
      "row_groups": [
        47,
        413
      ],
      "sha256": "336e634487b9cfab2eec756cb8a3025621b716ea1268c383915c1d2e25f8c06b"
    },
    "tick_size_change": {
      "byte_range": [
        1165322904,
        1165442276
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 295267250574621812,
      "min_sequence": 8162777047054973,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 3244,
      "row_groups": [
        414,
        414
      ],
      "sha256": "91e22c46f231c3bb0c9f3ffad15e2b5e3cb09bfe7cfad85b7e57e59f0effbb89"
    }
  },
  "row_count": 107463727,
  "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": "3a0e0b1a687bbc40b57272cb2295d39c6f4297af0fb2ebc5e43a4e880d96d471",
  "skipped_witnesses": {
    "g": {
      "alive": false,
      "listed_utc": "2026-09-21T20:36:06.814384Z",
      "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 <file> == .sha256",
    "secondary": "curl -r <start>-<end-1> <url> | sha256sum == .products.<name>.sha256"
  },
  "witness_stats": "2026-09-21T19.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."
}
