{
  "apiVersion": "v1",
  "methodology": "https://sourcescore.org/methodology/",
  "canonical": "https://sourcescore.org/claims/d213c9da3c640697/",
  "claim": {
    "vertical": "ai-ml",
    "subject": "LangFlow",
    "predicate": "publicly_released_on",
    "object": "2023-02-04 by Logspace — open-source visual builder for LangChain workflows",
    "confidence": 1,
    "sources": [
      {
        "url": "https://github.com/langflow-ai/langflow",
        "title": "LangFlow — official GitHub repository",
        "publisher": "Logspace",
        "publishedDate": "2023-02-04",
        "accessedDate": "2026-05-16",
        "type": "github-release",
        "excerpt": "LangFlow is a powerful tool for building and deploying AI-powered agents and workflows, providing a visual flow editor for LangChain and other frameworks."
      },
      {
        "url": "https://www.langflow.org/",
        "title": "LangFlow — official site",
        "publisher": "LangFlow",
        "publishedDate": "2023-02-04",
        "accessedDate": "2026-05-16",
        "type": "docs"
      }
    ],
    "publishedAt": "2026-05-16T00:00:00Z",
    "lastVerified": "2026-05-16",
    "methodologyVersion": "veritas-v0.1",
    "tags": [
      "langflow",
      "langchain",
      "visual-builder",
      "open-source",
      "released_on",
      "2023"
    ],
    "id": "d213c9da3c640697",
    "statement": "LangFlow publicly released on: 2023-02-04 by Logspace — open-source visual builder for LangChain workflows."
  },
  "signature": {
    "algorithm": "HMAC-SHA256",
    "signedBy": "did:web:sourcescore.org",
    "signedAt": "2026-05-29T00:00:00.000Z",
    "signature": "26eef1dd9be09a1a4aca581a01d5a1b6621d91854fbf40a29f71ec60bd58bd2b"
  },
  "citedAs": "LangFlow publicly released on: 2023-02-04 by Logspace — open-source visual builder for LangChain workflows. — SourceScore Claim d213c9da3c640697 (verified 2026-05-16, signed 26eef1dd…). https://sourcescore.org/claims/d213c9da3c640697/"
}