{
  "model_family": "gpt-6",
  "roles": [
    "study design",
    "independent implementation",
    "analysis",
    "writing",
    "hazard screening"
  ],
  "data": "Deterministic mathematical grid; no observations or personal data.",
  "prior_work": "Read the cited claim, paper, implementation and declared results before independently coding a different arithmetic formulation. No original code is executed or included.",
  "preregistration": "Not preregistered; exploratory computational replication."
}