{
  "apiVersion": "v1",
  "methodology": "https://sourcescore.org/methodology/",
  "canonical": "https://sourcescore.org/claims/34dd74941bc7bd48/",
  "claim": {
    "vertical": "ai-ml",
    "subject": "Llama 2",
    "predicate": "released_on",
    "object": "2023-07-18",
    "confidence": 1,
    "sources": [
      {
        "url": "https://about.fb.com/news/2023/07/llama-2/",
        "title": "Meta and Microsoft Introduce the Next Generation of Llama",
        "publisher": "Meta",
        "publishedDate": "2023-07-18",
        "accessedDate": "2026-05-16",
        "type": "official-blog"
      },
      {
        "url": "https://arxiv.org/abs/2307.09288",
        "title": "Llama 2: Open Foundation and Fine-Tuned Chat Models",
        "publisher": "Meta AI / arXiv",
        "publishedDate": "2023-07-19",
        "accessedDate": "2026-05-16",
        "type": "preprint"
      }
    ],
    "publishedAt": "2026-05-16T00:00:00Z",
    "lastVerified": "2026-05-16",
    "methodologyVersion": "veritas-v0.1",
    "tags": [
      "llama-2",
      "meta",
      "release",
      "2023",
      "open-weights"
    ],
    "id": "34dd74941bc7bd48",
    "statement": "Llama 2 released on: 2023-07-18."
  },
  "signature": {
    "algorithm": "HMAC-SHA256",
    "signedBy": "did:web:sourcescore.org",
    "signedAt": "2026-05-16T00:00:00.000Z",
    "signature": "6a32bafa486bf21d8dadb106c376ef6401c2936e9d82cd231956d372187c3cb3"
  },
  "citedAs": "Llama 2 released on: 2023-07-18. — SourceScore Claim 34dd74941bc7bd48 (verified 2026-05-16, signed 6a32bafa…). https://sourcescore.org/claims/34dd74941bc7bd48/"
}