{
  "schema_version": 2,
  "purpose": "Every public platform statistic, derived from the repository itself. Nothing here is hand-maintained; a release is blocked if this file drifts from a fresh derivation.",
  "release": "v210",
  "build": {
    "content_date": "2026-09-16",
    "content_fingerprint": "1386bfd90a73ba95",
    "how": "content_date is the newest content-hashed page date in page-dates.json; content_fingerprint is sha256 over the deploy manifest's per-file hashes (the two manifests excluded). No wall clock is written here, so a fresh derivation compares byte for byte."
  },
  "engine_checks": 711,
  "frozen_reproducibility_results": 96,
  "release_gates": 38,
  "mutation_probes": 51,
  "counts_explained": {
    "engine_checks": "the number of individual assertions platform/tests.mjs runs and passes — one suite covering the core, all three released models, the registries and every page; there is no separate per-model suite and no other figure describes it",
    "frozen_reproducibility_results": "input sets × seeds in platform/regression-snapshot.json whose probability, band, verdict and receipt are byte-compared at every release",
    "release_gates": "independent gate programs listed in release-gate.mjs, each of which can block a release",
    "mutation_probes": "deliberate contradictions injected by audit/mutate.py that the contradiction gate must catch",
    "not_accuracy": "none of these measures predictive accuracy; that appears only after 10 resolved outcomes per domain"
  },
  "pages": 46,
  "sources_registered": 5,
  "source_tiers": [
    1,
    1,
    1,
    3,
    1
  ],
  "live_connectors": 0,
  "evidence_countries": [
    "GB"
  ],
  "models_released": 3,
  "models_proposed": 9,
  "model_versions": {
    "runway": "1.0.1",
    "career": "1.1.1",
    "opportunity": "1.0.1"
  },
  "forecast_register": {
    "issued": 12,
    "open": 2,
    "resolved": 6,
    "withdrawn": 4
  },
  "outcome_grades": {
    "lxf_external_002": "B",
    "lxf_external_003": "B",
    "lxf_external_004": "B",
    "lxf_external_009": "B",
    "lxf_external_011": "B",
    "lxf_external_012": "B"
  },
  "historical_datasets": [
    {
      "file": "/data/boe-bank-rate.json",
      "series": "Official Bank Rate — full change history",
      "observations": 258,
      "retrieved": "2026-08-27",
      "freshness": "bundled snapshot — refreshed only by a release"
    },
    {
      "file": "/data/ons-cpi-annual.json",
      "series": "CPI annual rate, all items (D7G7, MM23) — yearly averages",
      "observations": 37,
      "retrieved": "2026-08-27",
      "freshness": "bundled snapshot — refreshed only by a release"
    }
  ],
  "accuracy_policy": "no accuracy percentage before 10 resolved outcomes per domain; scoreboards never pooled across origins"
}