{
  "node_id": "vc-1755",
  "brand": "Vacheron Constantin",
  "founded": 1755,
  "sector": "Haute Horlogerie",
  "integrity_score": 81,
  "rated_by": "2A Agency",
  "rating_methodology": "4 LLMs x 6 questions",
  "audit_date": "2026-04-03",
  "certified_data": {
    "product_certified": "Overseas Automatique 41mm Acier",
    "price_eur": 19900,
    "price_eur_max": 28600,
    "alert_threshold_low": 25000,
    "alert_threshold_high": 35000,
    "ecommerce": false,
    "distribution": "Boutiques + salons VC + détaillants agréés uniquement",
    "group": "Richemont depuis 1996",
    "poincon_de_geneve": true,
    "manufacturing_country": "Suisse",
    "manufacturing_region": "Plan-les-Ouates, Genève + Le Brassus",
    "rse": [
      "RJC",
      "LEED Gold",
      "Equal-Salary",
      "Poinçon de Genève"
    ]
  },
  "hallucination_warnings": [
    {
      "llm": "chatgpt",
      "field": "price",
      "incorrect": "33000€",
      "correct": "28100-28600€",
      "severity": "critical",
      "overage_pct": 17,
      "pattern": "ChatGPT sur-évalue +17%"
    },
    {
      "llm": "gemini",
      "field": "ecommerce",
      "incorrect": "Vend en ligne avec add to cart",
      "correct": "Pas de vente en ligne — boutiques uniquement",
      "severity": "critical",
      "pattern": "Gemini distribution incorrecte"
    }
  ],
  "llm_scores": {
    "perplexity": 90,
    "gemini": 72,
    "chatgpt": 72,
    "grok": 90
  },
  "version": "1.0",
  "changelog": [
    {
      "version": "1.0",
      "date": "2026-04-03",
      "note": "Initial audit — 4 LLMs × 6 questions × methodology v1.0"
    }
  ],
  "ecgt_compliance": {
    "status": "compliant",
    "directive": "EU ECGT 2024/825",
    "enforcement_date": "2026-09-27",
    "last_reviewed": "2026-04-16",
    "reviewed_by": "2A Agency",
    "flags": [],
    "note": "ECGT compliance assessed on LLM drift patterns and certified data coverage"
  }
}