{
 "what": "the like-for-like comparison: FastCap's own isolated-pair solve against FastCap's own full array, on the 24 held-out layouts, with the model scored against the same truth",
 "measured_utc": "2026-09-20T15:08:04Z",
 "source": {
  "repository": "genesis (packaging & extraction)",
  "revision": "39f6b06f",
  "path": "benchmarks/release_shadow/independent_coupling_release_tournament_2026_07.json",
  "sha256": "e95162eb886dd659ba0cef62c3768cde6678cf91c96a22a21412d1d945f49501",
  "bytes": 65737
 },
 "not_served": "the source file is a 65 kB shadow-release record with the per-case predictions and runtimes of a private repository; the sha256 above commits to it and anyone with the repository can re-check it",
 "method": "read from the committed bytes above with a JSON pointer per field; no value is recomputed here",
 "pointers": {
  "median_fair_pairwise_over_operator_error_x": "/structural_offdiag_result/median_fair_pairwise_over_operator_error_x",
  "operator_wins_fraction": "/structural_offdiag_result/operator_wins_fraction",
  "operator_norm_l2_median": "/structural_offdiag_result/operator_norm_l2_median",
  "fastcap_pairwise_norm_l2_median": "/structural_offdiag_result/fastcap_pairwise_norm_l2_median",
  "n_holdout": "/n_holdout",
  "n_feasibility_exposed": "/n_feasibility_exposed",
  "n_unexposed_confirmatory": "/n_unexposed_confirmatory",
  "verdict": "/verdict",
  "honest_scope": "/honest_scope"
 },
 "median_fair_pairwise_over_operator_error_x": 6.117193045270968,
 "operator_wins_fraction": 1.0,
 "operator_norm_l2_median": 0.07475160091787447,
 "fastcap_pairwise_norm_l2_median": 0.44452006763288415,
 "n_holdout": 24,
 "n_feasibility_exposed": 3,
 "n_unexposed_confirmatory": 21,
 "verdict": "PASS",
 "honest_scope": "Independent local FastCap electrostatic simulation on generated TGVBench geometries. Maximum-mutual-C shadow decisions only; 3/24 outcomes feasibility-exposed; no measured silicon, customer flow, vendor-qualified baseline, broadband S signoff, or >=10x economics."
}