{
  "ab_accounting": {
    "best_bid_ask": {
      "boundary_dropped": 34,
      "class": "PARTIAL",
      "exception_markets": 51202,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 12516186,
        "i": 11420356,
        "k": 11465744
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 12516186,
      "rows_i": 11420356,
      "rows_joined": 12516872,
      "rows_k": 11465744,
      "rows_merged": 12516838,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 882908,
        "i": 30,
        "k": 102
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 1180,
            "100_200ms": 146143,
            "10_20ms": 6328306,
            "1_2ms": 0,
            "2000_5000ms": 587,
            "200_500ms": 36696,
            "20_50ms": 5132033,
            "2_5ms": 0,
            "5000_10000ms": 148,
            "500_1000ms": 5538,
            "50_100ms": 865555,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 8720,
          "mean_ms": 27.28230620733824,
          "measurable": 12516186,
          "min_ms": 15,
          "p50_ms": 19.0,
          "p90_ms": 45.0,
          "p99_ms": 121.0,
          "rows": 12516186,
          "unmeasurable": 0,
          "won_output_rows": 1855085
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 2845,
            "100_200ms": 131020,
            "10_20ms": 1051843,
            "1_2ms": 0,
            "2000_5000ms": 873,
            "200_500ms": 34319,
            "20_50ms": 9707691,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 5596,
            "50_100ms": 486169,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4021,
          "mean_ms": 28.097643453496545,
          "measurable": 11420356,
          "min_ms": 16,
          "p50_ms": 22.0,
          "p90_ms": 35.0,
          "p99_ms": 122.0,
          "rows": 11420356,
          "unmeasurable": 0,
          "won_output_rows": 447070
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 8,
            "100_200ms": 97195,
            "10_20ms": 9839698,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 36663,
            "20_50ms": 1186554,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 802,
            "50_100ms": 304707,
            "5_10ms": 117,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1471,
          "mean_ms": 18.09754090096552,
          "measurable": 11465744,
          "min_ms": 9,
          "p50_ms": 13.0,
          "p90_ms": 25.0,
          "p99_ms": 109.0,
          "rows": 11465744,
          "unmeasurable": 0,
          "won_output_rows": 10214683
        }
      }
    },
    "book": {
      "boundary_dropped": 1160,
      "class": "PARTIAL",
      "exception_markets": 209206,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 145350,
        "i": 960005,
        "k": 968599
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 145350,
      "rows_i": 960005,
      "rows_joined": 1075416,
      "rows_k": 968599,
      "rows_merged": 1074256,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 13270,
        "i": 91481,
        "k": 99270
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 860,
            "1000_2000ms": 241,
            "100_200ms": 5733,
            "10_20ms": 8966,
            "1_2ms": 0,
            "2000_5000ms": 473,
            "200_500ms": 2560,
            "20_50ms": 97428,
            "2_5ms": 0,
            "5000_10000ms": 352,
            "500_1000ms": 366,
            "50_100ms": 17426,
            "5_10ms": 0,
            "ge30000ms": 10945,
            "neg": 0
          },
          "max_ms": 10257592937,
          "mean_ms": 20481713.23034056,
          "measurable": 145350,
          "min_ms": 16,
          "p50_ms": 26.0,
          "p90_ms": 288.0,
          "p99_ms": 330972166.0,
          "rows": 145350,
          "unmeasurable": 0,
          "won_output_rows": 33542
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 51420,
            "1000_2000ms": 8863,
            "100_200ms": 8405,
            "10_20ms": 2429,
            "1_2ms": 0,
            "2000_5000ms": 17889,
            "200_500ms": 9528,
            "20_50ms": 89079,
            "2_5ms": 0,
            "5000_10000ms": 21885,
            "500_1000ms": 7076,
            "50_100ms": 15253,
            "5_10ms": 0,
            "ge30000ms": 728178,
            "neg": 0
          },
          "max_ms": 10256148913,
          "mean_ms": 199290032.12063688,
          "measurable": 960005,
          "min_ms": 17,
          "p50_ms": 4061646.0,
          "p90_ms": 331454646.0,
          "p99_ms": 3546672006.0,
          "rows": 960005,
          "unmeasurable": 0,
          "won_output_rows": 445675
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 51066,
            "1000_2000ms": 8007,
            "100_200ms": 5003,
            "10_20ms": 81494,
            "1_2ms": 0,
            "2000_5000ms": 17570,
            "200_500ms": 5521,
            "20_50ms": 28409,
            "2_5ms": 0,
            "5000_10000ms": 21360,
            "500_1000ms": 5302,
            "50_100ms": 8205,
            "5_10ms": 0,
            "ge30000ms": 736662,
            "neg": 0
          },
          "max_ms": 10257642103,
          "mean_ms": 199553431.3643324,
          "measurable": 968599,
          "min_ms": 10,
          "p50_ms": 4110387.0,
          "p90_ms": 331590209.8000001,
          "p99_ms": 3546686006.02,
          "rows": 968599,
          "unmeasurable": 0,
          "won_output_rows": 595039
        }
      }
    },
    "last_trade_price": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 3698,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 65936,
        "i": 60240,
        "k": 60463
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 65936,
      "rows_i": 60240,
      "rows_joined": 66070,
      "rows_k": 60463,
      "rows_merged": 66070,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 4689,
        "i": 4,
        "k": 6
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 6,
            "100_200ms": 2590,
            "10_20ms": 16888,
            "1_2ms": 0,
            "2000_5000ms": 3,
            "200_500ms": 1312,
            "20_50ms": 38148,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 168,
            "50_100ms": 6821,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4834,
          "mean_ms": 39.851401358893476,
          "measurable": 65936,
          "min_ms": 16,
          "p50_ms": 21.0,
          "p90_ms": 70.0,
          "p99_ms": 321.0,
          "rows": 65936,
          "unmeasurable": 0,
          "won_output_rows": 11302
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 338,
            "100_200ms": 3097,
            "10_20ms": 1514,
            "1_2ms": 0,
            "2000_5000ms": 117,
            "200_500ms": 2653,
            "20_50ms": 46198,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 884,
            "50_100ms": 5439,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 3152,
          "mean_ms": 69.47669322709163,
          "measurable": 60240,
          "min_ms": 17,
          "p50_ms": 25.0,
          "p90_ms": 123.0,
          "p99_ms": 768.6100000000006,
          "rows": 60240,
          "unmeasurable": 0,
          "won_output_rows": 2509
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 3,
            "100_200ms": 1502,
            "10_20ms": 46360,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 654,
            "20_50ms": 8933,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 69,
            "50_100ms": 2942,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1475,
          "mean_ms": 25.602599937151645,
          "measurable": 60463,
          "min_ms": 10,
          "p50_ms": 14.0,
          "p90_ms": 43.0,
          "p99_ms": 217.0,
          "rows": 60463,
          "unmeasurable": 0,
          "won_output_rows": 52259
        }
      }
    },
    "market_resolved": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 650,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 650,
        "i": 723,
        "k": 752
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 650,
      "rows_i": 723,
      "rows_joined": 837,
      "rows_k": 752,
      "rows_merged": 837,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 72,
        "i": 3,
        "k": 41
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 33,
            "1000_2000ms": 0,
            "100_200ms": 17,
            "10_20ms": 214,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 3,
            "20_50ms": 263,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 1,
            "50_100ms": 110,
            "5_10ms": 0,
            "ge30000ms": 9,
            "neg": 0
          },
          "max_ms": 51644,
          "mean_ms": 1736.9446153846154,
          "measurable": 650,
          "min_ms": 17,
          "p50_ms": 21.0,
          "p90_ms": 95.20000000000005,
          "p99_ms": 46495.06,
          "rows": 650,
          "unmeasurable": 0,
          "won_output_rows": 129
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 24,
            "10_20ms": 30,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 2,
            "20_50ms": 405,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 98,
            "5_10ms": 0,
            "ge30000ms": 164,
            "neg": 0
          },
          "max_ms": 671455,
          "mean_ms": 87167.94052558782,
          "measurable": 723,
          "min_ms": 18,
          "p50_ms": 27.0,
          "p90_ms": 416252.0,
          "p99_ms": 671252.0,
          "rows": 723,
          "unmeasurable": 0,
          "won_output_rows": 128
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 3,
            "10_20ms": 392,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 1,
            "20_50ms": 131,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 21,
            "5_10ms": 0,
            "ge30000ms": 204,
            "neg": 0
          },
          "max_ms": 721152,
          "mean_ms": 101943.62765957447,
          "measurable": 752,
          "min_ms": 11,
          "p50_ms": 18.0,
          "p90_ms": 465906.0,
          "p99_ms": 721152.0,
          "rows": 752,
          "unmeasurable": 0,
          "won_output_rows": 580
        }
      }
    },
    "new_market": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 336,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 336,
        "i": 364,
        "k": 369
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 336,
      "rows_i": 364,
      "rows_joined": 482,
      "rows_k": 369,
      "rows_merged": 482,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 56,
        "i": 40,
        "k": 20
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 28,
            "1000_2000ms": 0,
            "100_200ms": 62,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 24,
            "20_50ms": 141,
            "2_5ms": 0,
            "5000_10000ms": 12,
            "500_1000ms": 0,
            "50_100ms": 65,
            "5_10ms": 0,
            "ge30000ms": 4,
            "neg": 0
          },
          "max_ms": 94971,
          "mean_ms": 2496.6994047619046,
          "measurable": 336,
          "min_ms": 22,
          "p50_ms": 63.5,
          "p90_ms": 9677.0,
          "p99_ms": 55134.64999999872,
          "rows": 336,
          "unmeasurable": 0,
          "won_output_rows": 137
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 38,
            "1000_2000ms": 0,
            "100_200ms": 66,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 11,
            "20_50ms": 131,
            "2_5ms": 0,
            "5000_10000ms": 13,
            "500_1000ms": 0,
            "50_100ms": 62,
            "5_10ms": 0,
            "ge30000ms": 43,
            "neg": 0
          },
          "max_ms": 464009,
          "mean_ms": 37968.67582417582,
          "measurable": 364,
          "min_ms": 24,
          "p50_ms": 80.0,
          "p90_ms": 78492.29999999984,
          "p99_ms": 463851.70999999996,
          "rows": 364,
          "unmeasurable": 0,
          "won_output_rows": 139
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 23,
            "1000_2000ms": 0,
            "100_200ms": 51,
            "10_20ms": 16,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 3,
            "20_50ms": 135,
            "2_5ms": 0,
            "5000_10000ms": 17,
            "500_1000ms": 0,
            "50_100ms": 78,
            "5_10ms": 0,
            "ge30000ms": 46,
            "neg": 0
          },
          "max_ms": 512828,
          "mean_ms": 41814.61246612466,
          "measurable": 369,
          "min_ms": 16,
          "p50_ms": 68.0,
          "p90_ms": 229402.4,
          "p99_ms": 512666.56,
          "rows": 369,
          "unmeasurable": 0,
          "won_output_rows": 206
        }
      }
    },
    "price_change": {
      "boundary_dropped": 906,
      "class": "PARTIAL",
      "exception_markets": 87574,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 118119260,
        "i": 107777471,
        "k": 108086475
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 118119260,
      "rows_i": 107777471,
      "rows_joined": 118170988,
      "rows_k": 108086475,
      "rows_merged": 118170082,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 8388196,
        "i": 6682,
        "k": 970
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 11630,
            "100_200ms": 2085274,
            "10_20ms": 53211138,
            "1_2ms": 0,
            "2000_5000ms": 7782,
            "200_500ms": 680502,
            "20_50ms": 52658890,
            "2_5ms": 0,
            "5000_10000ms": 1566,
            "500_1000ms": 65114,
            "50_100ms": 9397364,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 8722,
          "mean_ms": 29.803835462565544,
          "measurable": 118119260,
          "min_ms": 15,
          "p50_ms": 20.0,
          "p90_ms": 51.0,
          "p99_ms": 159.0,
          "rows": 118119260,
          "unmeasurable": 0,
          "won_output_rows": 18438914
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 86652,
            "100_200ms": 2114086,
            "10_20ms": 8205140,
            "1_2ms": 0,
            "2000_5000ms": 21864,
            "200_500ms": 1075140,
            "20_50ms": 90035305,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 306702,
            "50_100ms": 5932582,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4068,
          "mean_ms": 34.60256981721162,
          "measurable": 107777471,
          "min_ms": 16,
          "p50_ms": 23.0,
          "p90_ms": 45.0,
          "p99_ms": 261.0,
          "rows": 107777471,
          "unmeasurable": 0,
          "won_output_rows": 4599273
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 72,
            "100_200ms": 1272638,
            "10_20ms": 89845067,
            "1_2ms": 0,
            "2000_5000ms": 4,
            "200_500ms": 459992,
            "20_50ms": 12921892,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 13310,
            "50_100ms": 3573280,
            "5_10ms": 220,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 2171,
          "mean_ms": 19.594079555282008,
          "measurable": 108086475,
          "min_ms": 9,
          "p50_ms": 13.0,
          "p90_ms": 29.0,
          "p99_ms": 131.0,
          "rows": 108086475,
          "unmeasurable": 0,
          "won_output_rows": 95131895
        }
      }
    },
    "tick_size_change": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 576,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 2304,
        "i": 2032,
        "k": 1984
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 2304,
      "rows_i": 2032,
      "rows_joined": 2304,
      "rows_k": 1984,
      "rows_merged": 2304,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 264,
        "i": 0,
        "k": 0
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 8,
            "10_20ms": 1101,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 1046,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 149,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 117,
          "mean_ms": 24.504774305555557,
          "measurable": 2304,
          "min_ms": 16,
          "p50_ms": 20.0,
          "p90_ms": 40.0,
          "p99_ms": 77.9699999999998,
          "rows": 2304,
          "unmeasurable": 0,
          "won_output_rows": 432
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 4,
            "10_20ms": 221,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 1734,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 73,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 102,
          "mean_ms": 24.811023622047244,
          "measurable": 2032,
          "min_ms": 17,
          "p50_ms": 22.0,
          "p90_ms": 31.0,
          "p99_ms": 86.0,
          "rows": 2032,
          "unmeasurable": 0,
          "won_output_rows": 54
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 4,
            "10_20ms": 1767,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 4,
            "20_50ms": 205,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 4,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 212,
          "mean_ms": 15.260584677419354,
          "measurable": 1984,
          "min_ms": 10,
          "p50_ms": 13.0,
          "p90_ms": 20.0,
          "p99_ms": 38.17000000000007,
          "rows": 1984,
          "unmeasurable": 0,
          "won_output_rows": 1818
        }
      }
    }
  },
  "archive_root": "union-staging",
  "boundary_guard": "cache",
  "bytes": 1385771574,
  "file": "2026-09-25T15.parquet",
  "generated_by": "tools/orderbook_ab/merge_ab.py",
  "hour": "2026-09-25/15",
  "hour_utc": "2026-09-25T15:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 62768920026106160,
  "merger_git_sha": "fcbb28046152741ae3754e951659977da4c8b36e",
  "min_sequence": 8444249398787615,
  "products": {
    "best_bid_ask": {
      "byte_range": [
        4,
        137781594
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 62768920026103767,
      "min_sequence": 8444249398788765,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 12516838,
      "row_groups": [
        0,
        47
      ],
      "sha256": "d69772d73eb02edc5d6394893961e6d3de9920c0f8b5767a8e620f7aa1ebed46"
    },
    "book": {
      "byte_range": [
        137781594,
        210410762
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 62768920026103611,
      "min_sequence": 8444249398826196,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1074256,
      "row_groups": [
        48,
        52
      ],
      "sha256": "5adcd2410a98ff8ca52faff215bd231bc4c06066992628db59d0ad75638c568f"
    },
    "last_trade_price": {
      "byte_range": [
        210410762,
        214105858
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 62768920026067355,
      "min_sequence": 8444249398789191,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 66070,
      "row_groups": [
        53,
        53
      ],
      "sha256": "06f78122ae857f75cbf2a927e50d72e5e60561b3406b9a281b3d1f9de4c44fe9"
    },
    "market_resolved": {
      "byte_range": [
        214105858,
        214214111
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 62768920025603493,
      "min_sequence": 8444249411805408,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 837,
      "row_groups": [
        54,
        54
      ],
      "sha256": "eb0a13a4f24c9d7f90ffb1430c4e0e6a1d29246f8893bcbe124d922cbb33396e"
    },
    "new_market": {
      "byte_range": [
        214214111,
        214266819
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 62768920024299342,
      "min_sequence": 8444249399282734,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 482,
      "row_groups": [
        55,
        55
      ],
      "sha256": "5ba7c7c4c94d29c3c59c21e6bf48cc58b1616bd7711bd35b28f813e844a1c1dc"
    },
    "price_change": {
      "byte_range": [
        214266819,
        1384191318
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 62768920026106160,
      "min_sequence": 8444249398787615,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 118170082,
      "row_groups": [
        56,
        506
      ],
      "sha256": "38fcf971b6c056b4c73bc3c57eb8d52e1f4812e143deae1bf0cd796f6a0427de"
    },
    "tick_size_change": {
      "byte_range": [
        1384191318,
        1384275778
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 62768920013564149,
      "min_sequence": 8444249417031808,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2304,
      "row_groups": [
        507,
        507
      ],
      "sha256": "abf5f2b2bc1f69d3f4358dd8ba6c625e085209ee8b1fb5e50ba464efd0049ab8"
    }
  },
  "row_count": 131830869,
  "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": "b87bb5170f8c43d1855862217b5a82677d66bb6b72d20a6426c849724bbd93a5",
  "skipped_witnesses": {
    "c": {
      "alive": false,
      "listed_utc": "2026-09-25T21:35:13.910816Z",
      "newest_upload": "2026-09-25T11:20:09.612000Z",
      "reason": "not_staged"
    },
    "g": {
      "alive": false,
      "listed_utc": "2026-09-25T21:35:30.905006Z",
      "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": "2026-09-25T15.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."
}