{
  "node_id": "se-2020",
  "brand": "SERHANT.",
  "founded": 2020,
  "sector": "Luxury Real Estate / PropTech",
  "integrity_score": 81,
  "rated_by": "2A Agency",
  "rating_methodology": "4 LLMs x 5 questions standardisées",
  "audit_date": "2026-03-28",
  "certified_data": {
    "ecommerce": false,
    "distribution": "15 états US + Washington D.C. — cloud brokerage",
    "group": "SERHANT. Technologies Inc. — VC backed $45M (Camber Creek + Left Lane, déc. 2024)",
    "ceo": "Ryan Serhant",
    "manufacturing_country": null
  },
  "hallucination_warnings": [
    {
      "llm": "gemini",
      "field": "record_transaction",
      "incorrect": "122,7M$ (2021) cité comme record",
      "correct": "~200M$ février 2025 — annoncé par Ryan Serhant comme record de carrière",
      "severity": "critical"
    },
    {
      "llm": "chatgpt",
      "field": "geographic_footprint",
      "incorrect": "14 états",
      "correct": "15 états + Washington D.C. (Massachusetts ajouté janvier 2026)",
      "severity": "low"
    },
    {
      "llm": "grok",
      "field": "geographic_footprint",
      "incorrect": "14 états",
      "correct": "15 états + Washington D.C.",
      "severity": "low"
    }
  ],
  "llm_scores": {},
  "version": "1.0",
  "changelog": [
    {
      "version": "1.0",
      "date": "2026-03-28",
      "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": [
      {
        "type": "sector_exposure",
        "risk": "High-risk sector for ECGT — sustainability claims closely scrutinised"
      }
    ],
    "note": "ECGT compliance assessed on LLM drift patterns and certified data coverage"
  }
}