{
  "attestation_id": "att-2026-0011",
  "published_at": "2026-11-13T13:45:00Z",
  "specimen": false,
  "source_registry": "a2aregistry.org",
  "agent": {
    "name": "HVAC Pros",
    "url": "https://hvacpros.fyi",
    "card_url": "https://hvacpros.fyi/.well-known/agent-card.json",
    "registry_entry_url": "https://hvacpros.fyi/.well-known/agent-card.json",
    "last_seen": "2026-11-13"
  },
  "summary": {
    "claims_total": 4,
    "claims_pass": 4,
    "claims_fail": 0,
    "claims_unverified": 0,
    "score": 100
  },
  "claims": [
    {
      "id": "c1",
      "claim": "Answers a plain-text question with the HVAC contractors matching its words: the number of matches and up to 5 of them with their page URL",
      "check_type": "automated",
      "result": "pass",
      "evidence": {
        "type": "live probe of the /a2a find-listings skill",
        "url": "evidence/att-2026-0011.md",
        "captured_at": "2026-11-13T13:36:08Z"
      },
      "note": "Probe 'List HVAC contractors in the installation category': answered '431 HVAC contractors match' with 5 named listings and structured data (task completed in 747 ms)."
    },
    {
      "id": "c2",
      "claim": "The listing pages it returns exist and match the named company",
      "check_type": "automated",
      "result": "pass",
      "evidence": {
        "type": "HTTP spot-check of returned listing URLs",
        "url": "evidence/att-2026-0011.md",
        "captured_at": "2026-11-13T13:40:00Z"
      },
      "note": "3 of 3 returned URLs returned HTTP 200 with page titles matching the company names (Superior Gas Installations & Service Ltd; Gandy Installations)."
    },
    {
      "id": "c3",
      "claim": "describe-directory states how many contractors it lists and which categories",
      "check_type": "automated",
      "result": "pass",
      "evidence": {
        "type": "live probe of the describe-directory skill",
        "url": "evidence/att-2026-0011.md",
        "captured_at": "2026-11-13T13:41:00Z"
      },
      "note": "Probe answered: 755 contractors listed, 5 categories (HVAC maintenance, AC repair, Furnace repair, HVAC installation, Ductwork); 431 word-matches inside 755 total is consistent."
    },
    {
      "id": "c4",
      "claim": "Data provenance is disclosed: each record keeps the licence of its source, listed in meta.sources",
      "check_type": "automated",
      "result": "pass",
      "evidence": {
        "type": "probe response metadata",
        "url": "evidence/att-2026-0011.md",
        "captured_at": "2026-11-13T13:36:08Z"
      },
      "note": "Response meta.sources names the data sources with licences and attribution text."
    }
  ]
}