{
  "node_id": "vca-1906",
  "brand": "Van Cleef & Arpels",
  "founded": 1906,
  "sector": "Joaillerie Haute / Horlogerie",
  "integrity_score": 84,
  "rated_by": "2A Agency",
  "rating_methodology": "4 LLMs x 6 questions",
  "audit_date": "2026-04-08",
  "certified_data": {
    "product_certified": "Collier Alhambra Vintage 10 motifs Malachite",
    "price_eur": 5500,
    "alert_threshold_low": 4800,
    "alert_threshold_high": 6200,
    "ecommerce": true,
    "distribution": "vancleefarpels.com + 130 boutiques mondiales",
    "group": "Richemont — Van Cleef & Arpels SA depuis 1999",
    "founder": "Alfred Van Cleef & Estelle Arpels",
    "ceo": "Nicolas Bos",
    "ceo_since": "2012",
    "headquarters": "Paris, Place Vendôme, France",
    "manufacturing": "Ateliers Paris (Place Vendôme) + Genève (Horlogerie)"
  },
  "hallucination_warnings": [
    {
      "llm": "grok",
      "field": "prix_alhambra",
      "incorrect": "4 100€",
      "correct": "5 500€ (Collier Alhambra Vintage 10 motifs Malachite — vancleefarpels.com)",
      "severity": "critical",
      "overage_pct": -25,
      "pattern": "Confusion Lucky Alhambra (4 motifs, moins cher) vs Vintage Alhambra (10 motifs)"
    },
    {
      "llm": "chatgpt",
      "field": "annee_fondation",
      "incorrect": "1905",
      "correct": "1906 — mariage d'Alfred Van Cleef et Estelle Arpels, première boutique Place Vendôme",
      "severity": "low",
      "pattern": "Décalage d'un an sur la date de fondation — erreur récurrente dans la presse"
    }
  ],
  "llm_scores": {
    "perplexity": 82,
    "gemini": 84,
    "chatgpt": 88,
    "grok": 82
  },
  "version": "1.0",
  "changelog": [
    {
      "version": "1.0",
      "date": "2026-04-08",
      "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"
  }
}