{
  "A_tokens": [
    "0",
    "1",
    "2",
    "3",
    "4",
    "5",
    "6",
    "7",
    "8",
    "9"
  ],
  "B_tokens": [
    "6",
    "7",
    "8",
    "9",
    "10",
    "11",
    "12",
    "13",
    "14",
    "15",
    "16",
    "17",
    "18",
    "19"
  ],
  "A": {
    "profile": "sha256-first64be-utf8-p4-m16-v1",
    "registers": [
      0,
      1,
      1,
      0,
      1,
      1,
      1,
      1,
      0,
      0,
      0,
      0,
      0,
      2,
      2,
      0
    ],
    "trace": [
      {
        "token": "0",
        "index": 5,
        "rho": 1
      },
      {
        "token": "1",
        "index": 6,
        "rho": 1
      },
      {
        "token": "2",
        "index": 13,
        "rho": 2
      },
      {
        "token": "3",
        "index": 4,
        "rho": 1
      },
      {
        "token": "4",
        "index": 4,
        "rho": 1
      },
      {
        "token": "5",
        "index": 14,
        "rho": 1
      },
      {
        "token": "6",
        "index": 14,
        "rho": 2
      },
      {
        "token": "7",
        "index": 7,
        "rho": 1
      },
      {
        "token": "8",
        "index": 2,
        "rho": 1
      },
      {
        "token": "9",
        "index": 1,
        "rho": 1
      }
    ]
  },
  "B": {
    "profile": "sha256-first64be-utf8-p4-m16-v1",
    "registers": [
      0,
      1,
      1,
      1,
      2,
      0,
      1,
      1,
      2,
      2,
      0,
      4,
      0,
      0,
      2,
      0
    ],
    "trace": [
      {
        "token": "6",
        "index": 14,
        "rho": 2
      },
      {
        "token": "7",
        "index": 7,
        "rho": 1
      },
      {
        "token": "8",
        "index": 2,
        "rho": 1
      },
      {
        "token": "9",
        "index": 1,
        "rho": 1
      },
      {
        "token": "10",
        "index": 4,
        "rho": 1
      },
      {
        "token": "11",
        "index": 4,
        "rho": 1
      },
      {
        "token": "12",
        "index": 6,
        "rho": 1
      },
      {
        "token": "13",
        "index": 3,
        "rho": 1
      },
      {
        "token": "14",
        "index": 8,
        "rho": 2
      },
      {
        "token": "15",
        "index": 14,
        "rho": 2
      },
      {
        "token": "16",
        "index": 11,
        "rho": 4
      },
      {
        "token": "17",
        "index": 4,
        "rho": 2
      },
      {
        "token": "18",
        "index": 4,
        "rho": 1
      },
      {
        "token": "19",
        "index": 9,
        "rho": 2
      }
    ]
  },
  "merged_registers": {
    "profile": "sha256-first64be-utf8-p4-m16-v1",
    "registers": [
      0,
      1,
      1,
      1,
      2,
      1,
      1,
      1,
      2,
      2,
      0,
      4,
      0,
      2,
      2,
      0
    ]
  },
  "union_estimate": {
    "raw": 20.726375939849625,
    "zero_registers": 4,
    "small_corrected": 22.18070977791825
  },
  "A_estimate": {
    "raw": 14.981565217391305,
    "zero_registers": 8,
    "small_corrected": 11.090354888959125
  },
  "B_estimate": {
    "raw": 18.017045751633987,
    "zero_registers": 6,
    "small_corrected": 15.693268048187619
  },
  "exact_union_cardinality": 20,
  "wrong_sum_exact_input_cardinalities": 24,
  "empty": {
    "raw": 10.768,
    "zero_registers": 16,
    "small_corrected": 0.0
  },
  "rank_boundaries": {
    "0": 61,
    "1": 60,
    "576460752303423488": 1,
    "1152921504606846975": 1
  },
  "rank_binary_string_oracles": 4096,
  "invalid_cases_rejected": [
    "oversize",
    "empty_token",
    "wrong_type",
    "mismatched_profile",
    "bad_rank",
    "bad_suffix"
  ],
  "scope": "fixed16 registers and SHA256first64, no large-range correction, HLL++ or membership/identity/privacy guarantee. Fixed-hash observations not uniform-hash proof or error-rate experiment; raw/small estimates not exactset counts."
}