{
  "dates": "ISO 8601; publication, issue, consolidation, effective and checked dates are distinct. null means unknown.",
  "classification": "P1 primary official; P2 manufacturer; S secondary; I editorial judgement; U unverified.",
  "verification_status": "claim_checked verifies presence/scope of cited claim, not product performance. repository_checked is not live HTTP acceptance.",
  "field_reasons": "Each null configuration value has a reason. No guessed model, origin, owner, MOQ or lead time.",
  "source_ids": "Stable foreign keys to sources[].source_id",
  "events_alias": "event[] is an identical compatibility alias for events[].",
  "component_fields": [
    "component_id",
    "category",
    "linked_sources",
    "validation_questions",
    "category_zh",
    "use_case",
    "regulatory_refs",
    "dependency_observation",
    "candidate_supplier",
    "original_vendor_site",
    "vendor_claim",
    "evidence",
    "compliance_state",
    "substitution_risks",
    "next_action",
    "field_reasons",
    "exact_mpn",
    "revision",
    "assembly_country",
    "component_origin",
    "subcomponent_origin",
    "firmware_origin",
    "data_flow",
    "lab_test",
    "min_order",
    "lead_time",
    "owner"
  ],
  "privacy": "Public read-only dataset; no RFQ, email, drawings, tokens or customer records.",
  "licence": "Original editorial summaries only. External materials retain their own rights."
}