Verified claim · AI-ML · 100% confidence
Llama 2 released on: 2023-07-18.
Last verified 2026-05-16 · Methodology veritas-v0.1 · 34dd74941bc7bd48
Structured fields
- Subject
- Llama 2
- Predicate
released_on- Object
- 2023-07-18
- Confidence
- 100%
- Tags
- llama-2 · meta · release · 2023 · open-weights
Sources (2)
[1] official blog · Meta · 2023-07-18
Meta and Microsoft Introduce the Next Generation of Llama[2] preprint · Meta AI / arXiv · 2023-07-19
Llama 2: Open Foundation and Fine-Tuned Chat Models
Cite this claim
Ready-to-paste citation (Markdown / plain text):
Llama 2 released on: 2023-07-18. — SourceScore Claim 34dd74941bc7bd48 (verified 2026-05-16). https://sourcescore.org/api/v1/claims/34dd74941bc7bd48.jsonEmbed this claim
Drop this iframe into any blog post, docs page, or knowledge base. The widget renders the signed claim + primary source + click-through to this canonical page. CC-BY 4.0; attribution included.
<iframe src="https://sourcescore.org/embed/claim/34dd74941bc7bd48/" width="100%" height="360" frameborder="0" loading="lazy" title="Llama 2 released on: 2023-07-18."></iframe>Preview: open in new tab
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Use this claim in your code
Fetch this signed envelope from your application. The response includes the verbatim excerpt, primary source URLs, and an HMAC-SHA256 signature you can verify locally for audit trails.
cURL
curl https://sourcescore.org/api/v1/claims/34dd74941bc7bd48.jsonJavaScript / TypeScript
const r = await fetch("https://sourcescore.org/api/v1/claims/34dd74941bc7bd48.json");
const envelope = await r.json();
console.log(envelope.claim.statement);
// "Llama 2 released on: 2023-07-18."Python
import httpx
r = httpx.get("https://sourcescore.org/api/v1/claims/34dd74941bc7bd48.json")
envelope = r.json()
print(envelope["claim"]["statement"])
# "Llama 2 released on: 2023-07-18."LangChain (retrieve-then-cite)
from langchain_core.tools import tool
import httpx
@tool
def get_llama_2_fact() -> dict:
"""Fetch the verified SourceScore claim for Llama 2."""
r = httpx.get("https://sourcescore.org/api/v1/claims/34dd74941bc7bd48.json")
return r.json()