{
  "node_id": "pe-1945",
  "brand": "Petrus",
  "founded": 1945,
  "sector": "Viticulture Grand Cru / Pomerol",
  "integrity_score": 82,
  "rated_by": "2A Agency",
  "rating_methodology": "4 LLMs x 6 questions",
  "audit_date": "2026-04-08",
  "certified_data": {
    "product_certified": "Pétrus 2020",
    "price_eur_negoce": 5500,
    "price_eur_secondary_market": 7200,
    "alert_threshold_low": 4800,
    "alert_threshold_high": 6500,
    "ecommerce": false,
    "distribution": "Établissements Jean-Pierre Moueix (négoce exclusif) — allocation",
    "group": "Indépendant — famille Moueix (Christian Moueix)",
    "directeur": "Frédéric Lospied (directeur technique)",
    "proprietaire": "Christian Moueix",
    "headquarters": "Pomerol, Bordeaux, France",
    "surface": "11,4 ha — argile bleue de Pomerol (monopole terroir)",
    "appellation": "Pomerol AOC (pas de Grand Cru classé officiel)"
  },
  "hallucination_warnings": [
    {
      "llm": "perplexity",
      "field": "prix_petrus_2020",
      "incorrect": "7 200€ (prix marché secondaire)",
      "correct": "5 500€ (prix négoce officiel Moueix)",
      "severity": "critical",
      "overage_pct": 31,
      "pattern": "Pattern 7 — Marché secondaire confondu avec prix négoce · Wine-Searcher cité comme référence (+31%)"
    },
    {
      "llm": "gemini",
      "field": "classification",
      "incorrect": "Premier Grand Cru Classé (Saint-Émilion)",
      "correct": "Pomerol AOC — aucun classement officiel, Pomerol n'a pas de Grand Cru classé",
      "severity": "critical",
      "pattern": "Confusion appellation Pomerol (non classée) vs Saint-Émilion (classé)"
    }
  ],
  "llm_scores": {
    "perplexity": 80,
    "gemini": 82,
    "chatgpt": 86,
    "grok": 80
  },
  "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"
  }
}