[
  {
    "kind": "software",
    "name": "Python 3.12 standard library",
    "source": "https://www.python.org/",
    "details": "Integer combinatorics and Fraction arithmetic; no third-party packages. code/run runs analysis and independent selected-case check in an offline container."
  },
  {
    "kind": "other",
    "name": "Analyst-specified mathematical design",
    "details": "data/design.json; entirely synthetic binary null model and generated exact fractions; no observational data."
  }
]