{
  "node_id": "pp-1839",
  "brand": "Patek Philippe",
  "founded": 1839,
  "sector": "Haute Horlogerie",
  "integrity_score": 79,
  "score_scale": 100,
  "rated_by": "2A Agency",
  "rating_label": "2A Agency Integrity Score",
  "rating_methodology": "4 LLMs x 6 questions standardisées",
  "audit_date": "2026-04-02",
  "node_version": "1.0",
  "certified_data": {
    "product_certified": "Nautilus 5811/1G Or Gris",
    "price_eur": 73800,
    "currency": "EUR",
    "price_grey_market_usd_min": 140000,
    "price_grey_market_usd_max": 170000,
    "alert_threshold_low": 60000,
    "alert_threshold_high": 85000,
    "distribution": "Détaillants agréés + Salons Patek Philippe uniquement",
    "ecommerce": false,
    "group": "Indépendant — Famille Stern depuis 1932",
    "president": "Thierry Stern",
    "manufacturing_country": "Suisse",
    "manufacturing_region": "Plan-les-Ouates, Genève",
    "rse_certifications": [
      "RJC",
      "Poinçon de Genève"
    ]
  },
  "hallucination_warnings": [
    {
      "llm": "perplexity",
      "field": "price_nautilus_5811",
      "incorrect": "33000-35000€ (prix marché secondaire agrégé)",
      "correct": "73800€ retail officiel",
      "severity": "critical",
      "pattern": "Agrégation prix marché gris vs retail — marque sans prix en ligne"
    },
    {
      "llm": "gemini",
      "field": "price_nautilus_5811",
      "incorrect": "76016€",
      "correct": "73800€",
      "severity": "medium",
      "pattern": "Sur-évaluation légère prix luxe"
    },
    {
      "llm": "grok",
      "field": "price_source",
      "incorrect": "82000 USD (watchcharts.com — marché secondaire)",
      "correct": "73800€ retail officiel boutique",
      "severity": "critical",
      "pattern": "Citation source marché gris comme prix retail"
    }
  ],
  "llm_scores": {
    "perplexity": 95,
    "gemini": 80,
    "chatgpt": 78,
    "grok": 72
  },
  "version": "1.0",
  "changelog": [
    {
      "version": "1.0",
      "date": "2026-04-02",
      "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"
  }
}