{
  "suite": "NIST STS 2.1.2",
  "standard": "SP 800-22 Rev. 1a",
  "scope": "Randomness testing performed by MCPBytes using NIST STS on one million-bit sample of API output.",
  "sample_bits": 1000000,
  "sequences": 1,
  "alpha": 0.01,
  "sample_sha256": "7c8b5ba8632c97a0af747a51e3940b76ab21edbd84ff9d98933ef22e7a264611",
  "parameters": {
    "block_frequency_m": 128,
    "non_overlapping_m": 9,
    "overlapping_m": 9,
    "approximate_entropy_m": 10,
    "serial_m": 16,
    "linear_complexity_m": 500
  },
  "encoding": "Signed integers plus 2147483648, unsigned 32-bit big-endian, in original job/output order; most-significant bit first.",
  "selection": "First complete collection, in order; no replacement samples, filtering or padding. Individual tests use their standard block handling.",
  "multi_sequence_assessment": "Not performed: one sequence cannot support p-value uniformity or pass-proportion conclusions.",
  "tests": [
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      "id": "Frequency",
      "name": "Frequency (monobit)",
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          "p_value": 0.874457,
          "outcome": "passed"
        }
      ],
      "passed": 1,
      "below_threshold": 0,
      "insufficient_data": 0
    },
    {
      "id": "BlockFrequency",
      "name": "Block frequency",
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          "p_value": 0.186022,
          "outcome": "passed"
        }
      ],
      "passed": 1,
      "below_threshold": 0,
      "insufficient_data": 0
    },
    {
      "id": "CumulativeSums",
      "name": "Cumulative sums",
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        {
          "index": 0,
          "p_value": 0.753323,
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        },
        {
          "index": 1,
          "p_value": 0.890593,
          "outcome": "passed"
        }
      ],
      "passed": 2,
      "below_threshold": 0,
      "insufficient_data": 0
    },
    {
      "id": "Runs",
      "name": "Runs",
      "components": [
        {
          "index": 0,
          "p_value": 0.10872,
          "outcome": "passed"
        }
      ],
      "passed": 1,
      "below_threshold": 0,
      "insufficient_data": 0
    },
    {
      "id": "LongestRun",
      "name": "Longest run of ones",
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        {
          "index": 0,
          "p_value": 0.462613,
          "outcome": "passed"
        }
      ],
      "passed": 1,
      "below_threshold": 0,
      "insufficient_data": 0
    },
    {
      "id": "Rank",
      "name": "Binary matrix rank",
      "components": [
        {
          "index": 0,
          "p_value": 0.884661,
          "outcome": "passed"
        }
      ],
      "passed": 1,
      "below_threshold": 0,
      "insufficient_data": 0
    },
    {
      "id": "FFT",
      "name": "Discrete Fourier transform",
      "components": [
        {
          "index": 0,
          "p_value": 0.62022,
          "outcome": "passed"
        }
      ],
      "passed": 1,
      "below_threshold": 0,
      "insufficient_data": 0
    },
    {
      "id": "NonOverlappingTemplate",
      "name": "Non-overlapping templates",
      "components": [
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        {
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        },
        {
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        {
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        },
        {
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        {
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        {
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        {
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        },
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          "outcome": "passed"
        },
        {
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        {
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        {
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          "outcome": "passed"
        },
        {
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        {
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          "p_value": 0.260878,
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        {
          "index": 17,
          "p_value": 0.793349,
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          "outcome": "passed"
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        {
          "index": 22,
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        {
          "index": 23,
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          "outcome": "passed"
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        {
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          "outcome": "passed"
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        {
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      "id": "OverlappingTemplate",
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      "id": "Universal",
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      "id": "ApproximateEntropy",
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    {
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  "collection_started_at": "2026-09-23T20:49:38Z",
  "collection_finished_at": "2026-09-23T21:11:44Z",
  "collected_integers": 31250,
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  "suite_archive_sha256": "0238d2f1d26e120e3cc748ed2d4c674cdc636de37fc4027c76cc2a394fff9157",
  "method_url": "https://csrc.nist.gov/projects/random-bit-generation/documentation-and-software"
}