{
  "ab_accounting": {
    "best_bid_ask": {
      "boundary_dropped": 34,
      "class": "PARTIAL",
      "exception_markets": 47666,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 11296912,
        "i": 11296733,
        "k": 11296912
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 11296912,
      "rows_i": 11296733,
      "rows_joined": 11297556,
      "rows_k": 11296912,
      "rows_merged": 11297522,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 96,
        "i": 85,
        "k": 358
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 632,
            "1000_2000ms": 3410,
            "100_200ms": 53358,
            "10_20ms": 9179165,
            "1_2ms": 0,
            "2000_5000ms": 2717,
            "200_500ms": 32732,
            "20_50ms": 1759647,
            "2_5ms": 0,
            "5000_10000ms": 1000,
            "500_1000ms": 10862,
            "50_100ms": 253315,
            "5_10ms": 0,
            "ge30000ms": 74,
            "neg": 0
          },
          "max_ms": 44404,
          "mean_ms": 24.935605145901818,
          "measurable": 11296912,
          "min_ms": 13,
          "p50_ms": 18.0,
          "p90_ms": 24.0,
          "p99_ms": 93.0,
          "rows": 11296912,
          "unmeasurable": 0,
          "won_output_rows": 310000
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 2378,
            "100_200ms": 43406,
            "10_20ms": 9108336,
            "1_2ms": 0,
            "2000_5000ms": 445,
            "200_500ms": 15957,
            "20_50ms": 2011982,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 3481,
            "50_100ms": 110748,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 3999,
          "mean_ms": 19.804202949649248,
          "measurable": 11296733,
          "min_ms": 12,
          "p50_ms": 17.0,
          "p90_ms": 21.0,
          "p99_ms": 67.0,
          "rows": 11296733,
          "unmeasurable": 0,
          "won_output_rows": 459606
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 843,
            "100_200ms": 37360,
            "10_20ms": 10691674,
            "1_2ms": 0,
            "2000_5000ms": 339,
            "200_500ms": 22008,
            "20_50ms": 454980,
            "2_5ms": 0,
            "5000_10000ms": 171,
            "500_1000ms": 3317,
            "50_100ms": 86196,
            "5_10ms": 24,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 7512,
          "mean_ms": 15.131755562936137,
          "measurable": 11296912,
          "min_ms": 9,
          "p50_ms": 12.0,
          "p90_ms": 16.0,
          "p99_ms": 62.0,
          "rows": 11296912,
          "unmeasurable": 0,
          "won_output_rows": 10527916
        }
      }
    },
    "book": {
      "boundary_dropped": 6,
      "class": "PARTIAL",
      "exception_markets": 22865,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 80474,
        "i": 99723,
        "k": 85620
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 80474,
      "rows_i": 99723,
      "rows_joined": 115164,
      "rows_k": 85620,
      "rows_merged": 115158,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 5065,
        "i": 23974,
        "k": 10090
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 318,
            "1000_2000ms": 365,
            "100_200ms": 1477,
            "10_20ms": 21599,
            "1_2ms": 0,
            "2000_5000ms": 558,
            "200_500ms": 916,
            "20_50ms": 46191,
            "2_5ms": 0,
            "5000_10000ms": 156,
            "500_1000ms": 322,
            "50_100ms": 4058,
            "5_10ms": 0,
            "ge30000ms": 4514,
            "neg": 0
          },
          "max_ms": 8707271088,
          "mean_ms": 17540190.553408556,
          "measurable": 80474,
          "min_ms": 14,
          "p50_ms": 21.0,
          "p90_ms": 126.0,
          "p99_ms": 363628137.0,
          "rows": 80474,
          "unmeasurable": 0,
          "won_output_rows": 9070
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1190,
            "1000_2000ms": 607,
            "100_200ms": 1776,
            "10_20ms": 40907,
            "1_2ms": 0,
            "2000_5000ms": 932,
            "200_500ms": 746,
            "20_50ms": 26852,
            "2_5ms": 0,
            "5000_10000ms": 542,
            "500_1000ms": 361,
            "50_100ms": 4215,
            "5_10ms": 0,
            "ge30000ms": 21595,
            "neg": 0
          },
          "max_ms": 10307286481,
          "mean_ms": 57932734.26690934,
          "measurable": 99723,
          "min_ms": 12,
          "p50_ms": 21.0,
          "p90_ms": 21383012.4,
          "p99_ms": 1623509924.3200002,
          "rows": 99723,
          "unmeasurable": 0,
          "won_output_rows": 32842
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 704,
            "1000_2000ms": 332,
            "100_200ms": 1096,
            "10_20ms": 60784,
            "1_2ms": 0,
            "2000_5000ms": 640,
            "200_500ms": 943,
            "20_50ms": 9709,
            "2_5ms": 0,
            "5000_10000ms": 278,
            "500_1000ms": 224,
            "50_100ms": 1906,
            "5_10ms": 0,
            "ge30000ms": 9004,
            "neg": 0
          },
          "max_ms": 10305548175,
          "mean_ms": 30939850.27953749,
          "measurable": 85620,
          "min_ms": 10,
          "p50_ms": 15.0,
          "p90_ms": 50318.50000000026,
          "p99_ms": 653548368.0,
          "rows": 85620,
          "unmeasurable": 0,
          "won_output_rows": 73246
        }
      }
    },
    "last_trade_price": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 2965,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 37011,
        "i": 37039,
        "k": 36962
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 37011,
      "rows_i": 37039,
      "rows_joined": 37083,
      "rows_k": 36962,
      "rows_merged": 37083,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 1,
        "i": 23,
        "k": 3
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 43,
            "100_200ms": 676,
            "10_20ms": 22699,
            "1_2ms": 0,
            "2000_5000ms": 12,
            "200_500ms": 424,
            "20_50ms": 11396,
            "2_5ms": 0,
            "5000_10000ms": 2,
            "500_1000ms": 107,
            "50_100ms": 1651,
            "5_10ms": 0,
            "ge30000ms": 1,
            "neg": 0
          },
          "max_ms": 33114,
          "mean_ms": 33.37329442598146,
          "measurable": 37011,
          "min_ms": 15,
          "p50_ms": 19.0,
          "p90_ms": 42.0,
          "p99_ms": 295.0,
          "rows": 37011,
          "unmeasurable": 0,
          "won_output_rows": 1715
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 81,
            "100_200ms": 852,
            "10_20ms": 20912,
            "1_2ms": 0,
            "2000_5000ms": 1,
            "200_500ms": 286,
            "20_50ms": 13502,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 57,
            "50_100ms": 1348,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 3720,
          "mean_ms": 30.82920705202624,
          "measurable": 37039,
          "min_ms": 13,
          "p50_ms": 19.0,
          "p90_ms": 34.0,
          "p99_ms": 211.0,
          "rows": 37039,
          "unmeasurable": 0,
          "won_output_rows": 2095
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 4,
            "100_200ms": 483,
            "10_20ms": 32461,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 423,
            "20_50ms": 2723,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 40,
            "50_100ms": 828,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1580,
          "mean_ms": 21.571803473837996,
          "measurable": 36962,
          "min_ms": 10,
          "p50_ms": 13.0,
          "p90_ms": 23.0,
          "p99_ms": 234.77999999999884,
          "rows": 36962,
          "unmeasurable": 0,
          "won_output_rows": 33273
        }
      }
    },
    "market_resolved": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 1491,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 1491,
        "i": 1491,
        "k": 1491
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 1491,
      "rows_i": 1491,
      "rows_joined": 1512,
      "rows_k": 1491,
      "rows_merged": 1512,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 0,
        "i": 0,
        "k": 21
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 81,
            "1000_2000ms": 0,
            "100_200ms": 4,
            "10_20ms": 962,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 2,
            "20_50ms": 265,
            "2_5ms": 0,
            "5000_10000ms": 10,
            "500_1000ms": 1,
            "50_100ms": 83,
            "5_10ms": 0,
            "ge30000ms": 83,
            "neg": 0
          },
          "max_ms": 52454,
          "mean_ms": 3383.828303152247,
          "measurable": 1491,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 13143.0,
          "p99_ms": 50561.6,
          "rows": 1491,
          "unmeasurable": 0,
          "won_output_rows": 104
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 81,
            "1000_2000ms": 0,
            "100_200ms": 17,
            "10_20ms": 851,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 3,
            "20_50ms": 390,
            "2_5ms": 0,
            "5000_10000ms": 10,
            "500_1000ms": 0,
            "50_100ms": 56,
            "5_10ms": 0,
            "ge30000ms": 83,
            "neg": 0
          },
          "max_ms": 53756,
          "mean_ms": 3354.625083836351,
          "measurable": 1491,
          "min_ms": 13,
          "p50_ms": 19.0,
          "p90_ms": 14342.0,
          "p99_ms": 49893.6,
          "rows": 1491,
          "unmeasurable": 0,
          "won_output_rows": 175
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 91,
            "1000_2000ms": 0,
            "100_200ms": 4,
            "10_20ms": 1156,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 1,
            "20_50ms": 161,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 16,
            "5_10ms": 0,
            "ge30000ms": 62,
            "neg": 0
          },
          "max_ms": 56311,
          "mean_ms": 3308.6619718309857,
          "measurable": 1491,
          "min_ms": 10,
          "p50_ms": 13.0,
          "p90_ms": 14153.0,
          "p99_ms": 44786.5,
          "rows": 1491,
          "unmeasurable": 0,
          "won_output_rows": 1233
        }
      }
    },
    "new_market": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 608,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 608,
        "i": 608,
        "k": 608
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 608,
      "rows_i": 608,
      "rows_joined": 811,
      "rows_k": 608,
      "rows_merged": 811,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 19,
        "i": 23,
        "k": 161
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 46,
            "1000_2000ms": 0,
            "100_200ms": 165,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 65,
            "20_50ms": 194,
            "2_5ms": 0,
            "5000_10000ms": 4,
            "500_1000ms": 0,
            "50_100ms": 103,
            "5_10ms": 0,
            "ge30000ms": 31,
            "neg": 0
          },
          "max_ms": 87635,
          "mean_ms": 3780.5690789473683,
          "measurable": 608,
          "min_ms": 20,
          "p50_ms": 104.0,
          "p90_ms": 13878.800000000014,
          "p99_ms": 49756.92999999994,
          "rows": 608,
          "unmeasurable": 0,
          "won_output_rows": 209
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 33,
            "1000_2000ms": 0,
            "100_200ms": 160,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 42,
            "20_50ms": 194,
            "2_5ms": 0,
            "5000_10000ms": 3,
            "500_1000ms": 0,
            "50_100ms": 127,
            "5_10ms": 0,
            "ge30000ms": 49,
            "neg": 0
          },
          "max_ms": 100603,
          "mean_ms": 4933.457236842105,
          "measurable": 608,
          "min_ms": 20,
          "p50_ms": 93.5,
          "p90_ms": 18132.500000000007,
          "p99_ms": 57517.57999999998,
          "rows": 608,
          "unmeasurable": 0,
          "won_output_rows": 285
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 78,
            "1000_2000ms": 0,
            "100_200ms": 111,
            "10_20ms": 22,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 93,
            "20_50ms": 187,
            "2_5ms": 0,
            "5000_10000ms": 1,
            "500_1000ms": 0,
            "50_100ms": 76,
            "5_10ms": 0,
            "ge30000ms": 40,
            "neg": 0
          },
          "max_ms": 100369,
          "mean_ms": 5474.111842105263,
          "measurable": 608,
          "min_ms": 14,
          "p50_ms": 133.0,
          "p90_ms": 22563.900000000012,
          "p99_ms": 55097.23999999983,
          "rows": 608,
          "unmeasurable": 0,
          "won_output_rows": 317
        }
      }
    },
    "price_change": {
      "boundary_dropped": 256,
      "class": "PARTIAL",
      "exception_markets": 102774,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 90998910,
        "i": 90987110,
        "k": 90993982
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 90998910,
      "rows_i": 90987110,
      "rows_joined": 91019744,
      "rows_k": 90993982,
      "rows_merged": 91019488,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 1004,
        "i": 3368,
        "k": 4422
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 2170,
            "1000_2000ms": 32416,
            "100_200ms": 660882,
            "10_20ms": 71146446,
            "1_2ms": 0,
            "2000_5000ms": 22482,
            "200_500ms": 486866,
            "20_50ms": 16116978,
            "2_5ms": 0,
            "5000_10000ms": 6950,
            "500_1000ms": 110948,
            "50_100ms": 2412208,
            "5_10ms": 0,
            "ge30000ms": 564,
            "neg": 0
          },
          "max_ms": 44872,
          "mean_ms": 25.86208724917694,
          "measurable": 90998910,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 27.0,
          "p99_ms": 149.0,
          "rows": 90998910,
          "unmeasurable": 0,
          "won_output_rows": 2890458
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 28310,
            "100_200ms": 576808,
            "10_20ms": 69788160,
            "1_2ms": 0,
            "2000_5000ms": 4924,
            "200_500ms": 365140,
            "20_50ms": 18835142,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 142408,
            "50_100ms": 1246218,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4190,
          "mean_ms": 22.44883595049892,
          "measurable": 90987110,
          "min_ms": 12,
          "p50_ms": 17.0,
          "p90_ms": 22.0,
          "p99_ms": 122.0,
          "rows": 90987110,
          "unmeasurable": 0,
          "won_output_rows": 4066586
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 7694,
            "100_200ms": 445454,
            "10_20ms": 84723156,
            "1_2ms": 0,
            "2000_5000ms": 2280,
            "200_500ms": 299906,
            "20_50ms": 4507958,
            "2_5ms": 0,
            "5000_10000ms": 494,
            "500_1000ms": 44414,
            "50_100ms": 962586,
            "5_10ms": 40,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 7545,
          "mean_ms": 16.207340019475133,
          "measurable": 90993982,
          "min_ms": 9,
          "p50_ms": 13.0,
          "p90_ms": 17.0,
          "p99_ms": 89.0,
          "rows": 90993982,
          "unmeasurable": 0,
          "won_output_rows": 84062444
        }
      }
    },
    "tick_size_change": {
      "boundary_dropped": 0,
      "class": "PARTIAL",
      "exception_markets": 921,
      "rows_by_domain": {
        "c": 0,
        "g": 0,
        "h": 3684,
        "i": 3684,
        "k": 3684
      },
      "rows_c": 0,
      "rows_g": 0,
      "rows_h": 3684,
      "rows_i": 3684,
      "rows_joined": 3684,
      "rows_k": 3684,
      "rows_merged": 3684,
      "unique_by_domain": {
        "c": 0,
        "g": 0,
        "h": 0,
        "i": 0,
        "k": 0
      },
      "witness_latency": {
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 8,
            "10_20ms": 2720,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 8,
            "20_50ms": 844,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 4,
            "50_100ms": 100,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 594,
          "mean_ms": 22.136807817589577,
          "measurable": 3684,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 30.0,
          "p99_ms": 66.0,
          "rows": 3684,
          "unmeasurable": 0,
          "won_output_rows": 152
        },
        "i": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 19,
            "10_20ms": 2043,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 1309,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 313,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 167,
          "mean_ms": 24.935939196525517,
          "measurable": 3684,
          "min_ms": 13,
          "p50_ms": 19.0,
          "p90_ms": 46.70000000000027,
          "p99_ms": 86.0,
          "rows": 3684,
          "unmeasurable": 0,
          "won_output_rows": 102
        },
        "k": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 4,
            "10_20ms": 3467,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 4,
            "20_50ms": 176,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 33,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 272,
          "mean_ms": 14.520629750271445,
          "measurable": 3684,
          "min_ms": 10,
          "p50_ms": 13.0,
          "p90_ms": 16.0,
          "p99_ms": 53.0,
          "rows": 3684,
          "unmeasurable": 0,
          "won_output_rows": 3430
        }
      }
    }
  },
  "archive_root": "union-staging",
  "boundary_guard": "cache",
  "bytes": 1015985954,
  "file": "2026-09-26T05.parquet",
  "generated_by": "tools/orderbook_ab/merge_ab.py",
  "hour": "2026-09-26/05",
  "hour_utc": "2026-09-26T05:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 63331870643952105,
  "merger_git_sha": "fcbb28046152741ae3754e951659977da4c8b36e",
  "min_sequence": 10133099708964057,
  "products": {
    "best_bid_ask": {
      "byte_range": [
        4,
        121719651
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331870643952103,
      "min_sequence": 10133099708964659,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 11297522,
      "row_groups": [
        0,
        43
      ],
      "sha256": "a76f0c5e8e0954f500b9b8848413475684da5604c3de534753a1d50c1e96229c"
    },
    "book": {
      "byte_range": [
        121719651,
        133369612
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331870643468264,
      "min_sequence": 10133099708991129,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 115158,
      "row_groups": [
        44,
        44
      ],
      "sha256": "481ca6c72070d28c15197fbeda1b76236d2f0b56d5defbe9df7181eef572a267"
    },
    "last_trade_price": {
      "byte_range": [
        133369612,
        135556121
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331870642524129,
      "min_sequence": 10133099709065545,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 37083,
      "row_groups": [
        45,
        45
      ],
      "sha256": "795308e81b1bf764c3367f3df99131e64f3894f5dcdf1f9e1d1ed0c14aae92bc"
    },
    "market_resolved": {
      "byte_range": [
        135556121,
        135794591
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331870640810971,
      "min_sequence": 10133099720739300,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1512,
      "row_groups": [
        46,
        46
      ],
      "sha256": "d953e3d6af75357fc6ed61cd46e4660feb0718dfa9d6fd96099883bbaecb6079"
    },
    "new_market": {
      "byte_range": [
        135794591,
        135885435
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331870641707650,
      "min_sequence": 10133099709249294,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 811,
      "row_groups": [
        47,
        47
      ],
      "sha256": "427cac04c6ed129e11eeb46aaa3da1468cfdc6ca47342099f4aed815d5e07b1f"
    },
    "price_change": {
      "byte_range": [
        135885435,
        1014684496
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331870643952105,
      "min_sequence": 10133099708964057,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 91019488,
      "row_groups": [
        48,
        395
      ],
      "sha256": "25bee570eea1f1ce270ac1754829302fe06aa7d2f508b32b8b93b7065cb6cd6d"
    },
    "tick_size_change": {
      "byte_range": [
        1014684496,
        1014817156
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 63331870616613194,
      "min_sequence": 10133099715040848,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 3684,
      "row_groups": [
        396,
        396
      ],
      "sha256": "ab4a251c7e7895c8c3e6ded5b9fa4a128660c72321ef7fd9a8de47ca145f16da"
    }
  },
  "row_count": 102475258,
  "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": "ac62df3462af058a1c06cc9a9a82fea40c846158d1fe2a4ee97d83546c9b232c",
  "skipped_witnesses": {
    "c": {
      "alive": false,
      "listed_utc": "2026-09-26T06:35:13.575221Z",
      "newest_upload": "2026-09-25T11:20:09.612000Z",
      "reason": "not_staged"
    },
    "g": {
      "alive": false,
      "listed_utc": "2026-09-26T06:35:29.748122Z",
      "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": "2026-09-26T05.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."
}
