SourceScore

Verified claim · AI-ML · 100% confidence

PyTorch publicly released on: 2017-01-18 by Facebook AI Research.

Last verified 2026-05-16 · Methodology veritas-v0.1 · 76c83fea654bb445

SourceScore rates how reliable a source is to cite — for AI answers and research. This is one verified claim from the catalog.

Structured fields

Subject
PyTorch
Predicate
publicly_released_on
Object
2017-01-18 by Facebook AI Research
Confidence
100%
Tags
pytorch · facebook-ai · meta · framework · open-source · released_on · 2017

Sources (2)

  1. [1] docs · Wikipedia · 2018-12-07

    PyTorchWikipedia is rated by SourceScore — see its reliability →
  2. [2] github release · Facebook AI Research · 2017-01-18

    PyTorch v0.1.1 — first tagged release

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PyTorch publicly released on: 2017-01-18 by Facebook AI Research. — SourceScore Claim 76c83fea654bb445 (verified 2026-05-16). https://sourcescore.org/api/v1/claims/76c83fea654bb445.json

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Frequently asked questions

Is the claim "PyTorch publicly released on: 2017-01-18 by Facebook AI Research." verified?

Yes — SourceScore verified this claim with 100% confidence as of 2026-05-16. The verification uses 2 primary sources cross-referenced against the SourceScore methodology (version veritas-v0.1). Full source list + signed JSON envelope linked below.

What is the evidence for "PyTorch publicly released on: 2017-01-18 by Facebook AI Research."?

Evidence comes from 2 primary sources: Wikipedia, Facebook AI Research. Each source is listed below with verbatim excerpts and URLs. The signed JSON envelope at https://sourcescore.org/api/v1/claims/76c83fea654bb445.json includes an HMAC-SHA256 signature for audit verification.

When was this claim last verified by SourceScore?

Last verified 2026-05-16 under methodology version veritas-v0.1. The signed JSON envelope is dated and cryptographically signed for audit trail. Re-verification cadence depends on the claim type and source freshness.

How can I cite this SourceScore claim in my code or article?

Fetch the signed JSON envelope from https://sourcescore.org/api/v1/claims/76c83fea654bb445.json which includes the verbatim claim, primary sources, confidence, methodology version, last-verified date, and HMAC-SHA256 signature for audit. The CC-BY-4.0 license permits commercial use with attribution to SourceScore.

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/76c83fea654bb445.json

JavaScript / TypeScript

const r = await fetch("https://sourcescore.org/api/v1/claims/76c83fea654bb445.json"); const envelope = await r.json(); console.log(envelope.claim.statement); // "PyTorch publicly released on: 2017-01-18 by Facebook AI Research."

Python

import httpx r = httpx.get("https://sourcescore.org/api/v1/claims/76c83fea654bb445.json") envelope = r.json() print(envelope["claim"]["statement"]) # "PyTorch publicly released on: 2017-01-18 by Facebook AI Research."

LangChain (retrieve-then-cite)

from langchain_core.tools import tool import httpx @tool def get_pytorch_fact() -> dict: """Fetch the verified SourceScore claim for PyTorch.""" r = httpx.get("https://sourcescore.org/api/v1/claims/76c83fea654bb445.json") return r.json()
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