{
  "record_type": "Unregistered editable planning template",
  "version": "0.1",
  "created_date": "2026-10-18",
  "registration_url": null,
  "registration_timestamp": null,
  "data_access_before_registration": "Fill in what was already seen; bundled demonstration is synthetic and already available.",
  "investigator": "TO COMPLETE",
  "measurement_dataset": "TO COMPLETE: dataset ID, provenance, version, and checksum",
  "primary_outcome": "TO COMPLETE",
  "minimum_meaningful_effect": "TO COMPLETE with units",
  "sample_size_and_reason": "TO COMPLETE before confirmatory data",
  "stopping_rule": "TO COMPLETE",
  "exclusions": "TO COMPLETE before data inspection",
  "randomization_and_blinding": "TO COMPLETE",
  "deviations": [],
  "empirical_results": null,
  "title": "Dimensionless scaling with a prespecified break baseline",
  "hypothesis_ids": [
    "H02"
  ],
  "local_question": "Does a single exponent predict untouched observations better than a justified scale-break baseline?",
  "scope": "A measured relationship over a finite range; no universal replication claim.",
  "model": "log(y)=a+b log(x) versus continuous hinge with a predeclared break.",
  "baseline": "Scale-break hinge at x=20 for demonstration only; empirical breakpoint and rationale must be registered.",
  "required_covariates": [
    "reference scales",
    "sampling selection",
    "eligible systems",
    "finite observation window",
    "measurement-error model",
    "data dependence"
  ],
  "uncertainty": "Independent log-y noise, x exact; paired holdout MSE standard error conditional on trained fits.",
  "held_out_plan": "TO COMPLETE: keep whole systems or independent runs out where that matches the claim; demo uses fixed interleaved points.",
  "failure_rule": "If a defensible scale-break baseline predicts better on untouched data, a single exponent is not supported across that range; ties remain inconclusive.",
  "sources": [
    "geometry-g-buckingham",
    "methods-method-powerlaw",
    "methods-method-loo"
  ]
}