{
  "study_date_utc": "2026-11-03",
  "cohort_websites": 1000,
  "states_represented": 50,
  "model": "gpt-6-luna",
  "model_interface": "API",
  "source_archive_sha256": "c57e88869f37ade57ad57503acfad40f61598600a78678730a9047aaca36148e",
  "selection": "Selected diverse-provider cohort, including group websites; not nationally representative or market-share weighted.",
  "headline_claims": [
    {
      "id": "named",
      "numerator": 958,
      "denominator": 1000,
      "percent": 95.8,
      "meaning": "Website cited in the completed named inventory answer. Website supplied, own pages preferred, up to three used passenger vehicles.",
      "not_established": "Successful live retrieval, accurate inventory, price freshness or recommendation."
    },
    {
      "id": "local",
      "numerator": 269,
      "denominator": 1000,
      "percent": 26.9,
      "meaning": "Website cited in >=1 associated local answer: used car under $30,000, specified city/state/reference ZIP, up to five dealers, no target name/domain.",
      "independent_answers": 883,
      "not_established": "National visibility, dealership mention rate, lost buyers or geographically adjudicated recommendation rate."
    },
    {
      "id": "refused_but_cited",
      "numerator": 77,
      "denominator": 78,
      "percent": 98.7,
      "meaning": "Among websites returning 403/429 to our bot at the homepage, named AI answers cited the site.",
      "independent_review": "All78 retained homepage responses and exact AI annotations.",
      "not_established": "The AI fetched live, bypassed protections or had full access."
    }
  ],
  "geography": {
    "AK": 4,
    "AL": 12,
    "AR": 6,
    "AZ": 43,
    "CA": 82,
    "CO": 34,
    "CT": 11,
    "DE": 9,
    "FL": 72,
    "GA": 60,
    "HI": 6,
    "IA": 6,
    "ID": 6,
    "IL": 29,
    "IN": 11,
    "KS": 18,
    "KY": 9,
    "LA": 25,
    "MA": 15,
    "MD": 9,
    "ME": 12,
    "MI": 25,
    "MN": 17,
    "MO": 28,
    "MS": 12,
    "MT": 15,
    "NC": 46,
    "ND": 6,
    "NE": 4,
    "NH": 6,
    "NJ": 8,
    "NM": 6,
    "NV": 13,
    "NY": 18,
    "OH": 37,
    "OK": 8,
    "OR": 15,
    "PA": 23,
    "RI": 12,
    "SC": 24,
    "SD": 7,
    "TN": 17,
    "TX": 83,
    "UT": 24,
    "VA": 22,
    "VT": 3,
    "WA": 24,
    "WI": 15,
    "WV": 8,
    "WY": 3
  },
  "state_memberships": 1008,
  "geography_note": "One website can occur in multiple states. Coverage only, not a quality ranking. Tile positions schematic.",
  "shared_answers_note": "883 local answers cover all1000 through shared joins. Group sites may have multiple markets. Outcomes are correlated.",
  "unmeasured": [
    "lead delivery",
    "form submission",
    "appointments",
    "sales",
    "vehicle stock verification"
  ],
  "input_identity_verified": [
    "manifest.json",
    "dealers.jsonl",
    "market-observations.jsonl",
    "site-market-results.jsonl",
    "website-market-results.jsonl",
    "methodology.json",
    "shared-market-plan.json",
    "study.sqlite"
  ],
  "article_url": "https://dealerhandshake.com/articles/dealership-ai-visibility-1000-site-study/",
  "published": "2026-11-05",
  "artifact_kind": "Aggregate summary, not raw observation archive",
  "prompt_templates": {
    "named": "Find up to three used passenger vehicles currently advertised by the dealership whose official website is https://{domain}/. Search the web. Prefer the dealership's own vehicle detail pages. For each vehicle give year, make, model, advertised price, VIN only if explicitly supported, and a direct source link. Clearly separate dealer-site evidence from third-party listings. If you cannot substantiate a vehicle, say so; do not guess availability, prices or identifiers. Keep your answer under 450 words.",
    "local": "I am shopping for a used car under $30,000 near {city}, {state}, United States (reference ZIP {zip}). Which local car dealerships should I consider? Search the web and suggest up to five dealerships with a short reason and source links. For each dealership, state its physical city and state. Use the specified city AND state; do not substitute a city with the same name in another state. If location or budget evidence is uncertain, say so. Prefer current, relevant evidence. Do not invent inventory or prices. Keep your answer under 450 words."
  },
  "model_settings": {
    "reasoning_effort": "low",
    "max_output_tokens": 2000,
    "max_tool_calls": 2,
    "search_context_size": "low"
  },
  "coverage_note": "Local collection extended to all confirmed retail geographies in the unchanged cohort, with the same prompts/model/settings and existing completed answers retained."
}