{
  "schema": "classical-reconstruction-benchmark/v1",
  "benchmark_id": "evanescent-barrier-exponential-skeleton",
  "version": "1.0.0",
  "ontology_contract_sha256": "b749348b619769f3b4bf2d5e7cd3a50a6b38c9aaad22983846c893dab09b8d24",
  "observables": [
    {"id":"leading_transmission","definition":"T versus z=kappa*d","units":"dimensionless","domain":{"z_min":0.05,"z_max":8.0}}
  ],
  "sources": [
    {"id":"stahlhofen2000","doi":"10.1103/PhysRevA.62.012112","role":"FTIR / photonic tunneling classical-wave comparison"}
  ],
  "model_classes": [
    {"id":"classical-evanescent","assumptions":["linear wave equation","evanescent gap mode"],"formula":"T_leading=exp(-2*kappa*d)"},
    {"id":"wkb-leading","assumptions":["one-dimensional WKB barrier","leading exponential only"],"formula":"T_leading~exp(-2*kappa*d)"}
  ],
  "tolerances": {"skeleton_rmse":1e-15},
  "q1_q5": {"Q1":"generic exponential barrier penetration demonstrated","Q2":"leading exponential structure matched","Q3":"electron event statistics outside scope","Q4":"not established","Q5":"not earned"},
  "scope_exclusion": "Equality of the leading exponential skeleton does not establish a classical reconstruction of electron tunneling prefactors, dwell-time distributions, many-body effects or detector statistics."
}