{
  "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": "Ideal 1D cavity geometry\u2013resonance benchmark",
  "hypothesis_ids": [
    "H01"
  ],
  "local_question": "Do frequency shifts follow f_n=n v/(2L) under specified boundary conditions?",
  "scope": "Local conventional-physics benchmark; not a test of geometry-first ontology.",
  "model": "Zero-intercept weighted f against n/(2L); approximate effective variance for small independent length/frequency errors.",
  "baseline": "Independent propagation-speed reference with declared uncertainty; synthetic reference only is 343.2 m/s.",
  "required_covariates": [
    "boundary conditions",
    "mode assignment",
    "length calibration",
    "frequency calibration",
    "temperature or propagation-speed environment",
    "run order"
  ],
  "uncertainty": "Provided independent Gaussian standard uncertainties; add correlated calibration and physical-model terms before empirical inference.",
  "held_out_plan": "TO COMPLETE: independent new lengths or modes after fitting calibration.",
  "failure_rule": "TO COMPLETE: prespecified effect and residual limits; consider conventional boundary and calibration alternatives.",
  "sources": [
    "methods-method-kac",
    "geometry-g-buckingham",
    "methods-method-uncertainty"
  ]
}