Verified claim · AI-ML · 100% confidence
Anthropic founded in: 2021.
Last verified 2026-05-16 · Methodology veritas-v0.1 · dc53356a0a39c8de
Structured fields
- Subject
- Anthropic
- Predicate
founded_in- Object
- 2021
- Confidence
- 100%
- Tags
- anthropic · company · founded · 2021
Sources (2)
[1] official blog · Anthropic
About Anthropic“Anthropic was founded in 2021.”
[2] docs · Wikipedia
Anthropic — Wikipedia
Cite this claim
Ready-to-paste citation (Markdown / plain text):
Anthropic founded in: 2021. — SourceScore Claim dc53356a0a39c8de (verified 2026-05-16). https://sourcescore.org/api/v1/claims/dc53356a0a39c8de.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/dc53356a0a39c8de/" width="100%" height="360" frameborder="0" loading="lazy" title="Anthropic founded in: 2021."></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/dc53356a0a39c8de.jsonJavaScript / TypeScript
const r = await fetch("https://sourcescore.org/api/v1/claims/dc53356a0a39c8de.json");
const envelope = await r.json();
console.log(envelope.claim.statement);
// "Anthropic founded in: 2021."Python
import httpx
r = httpx.get("https://sourcescore.org/api/v1/claims/dc53356a0a39c8de.json")
envelope = r.json()
print(envelope["claim"]["statement"])
# "Anthropic founded in: 2021."LangChain (retrieve-then-cite)
from langchain_core.tools import tool
import httpx
@tool
def get_anthropic_fact() -> dict:
"""Fetch the verified SourceScore claim for Anthropic."""
r = httpx.get("https://sourcescore.org/api/v1/claims/dc53356a0a39c8de.json")
return r.json()