Veracity Two-Phase Pipeline — DEJAN Codebase Explorer

In phase 1 executes a grounded search query to capture grounding chunks and citation segments, while phase 2 assesses each resolved URL in parallel using the url_context tool to evaluate source claims and calculate fidelity via the formula \( \frac{\text{survived}}{\text{survived} + \text{lost} + \text{distortions}} \times 100 \).

sequenceDiagram
    participant User
    participant Veracity as Veracity Engine
    participant Gemini as Gemini Model
    participant Web as Target URLs

    User->>Veracity: Submit query & model
    Note over Veracity,Gemini: Phase 1: Grounded Search
    Veracity->>Gemini: Run grounded search query
    Gemini-->>Veracity: Response text & grounding chunks
    Veracity->>Veracity: Resolve redirect URIs to destination URLs

    Note over Veracity,Gemini: Phase 2: Parallel URL Assessment
    par For each resolved URL
        Veracity->>Gemini: Assess URL via url_context tool
        Gemini->>Web: Fetch page content
        Gemini-->>Veracity: Classified claims (survived, lost, distortions)
    end

    Veracity->>Veracity: Compute fidelity & aggregate scores
    Veracity-->>User: Complete veracity report

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