The Veracity Engine tracks claim accuracy by extracting attributed response segments from grounding metadata, evaluating the live source page via a structured evaluation prompt to categorize facts into survived, lost, and distorted arrays, and computing an aggregate fidelity score.
flowchart LR
A[Grounded Search Response] --> B[Extract Segments & URLs]
B --> C[Fetch Source via url_context]
C --> D[Run Assessment Prompt]
D --> E1[Survived Facts]
D --> E2[Lost Facts]
D --> E3[Distorted Facts]
E1 --> F[Calculate Fidelity Score]
E2 --> F
E3 --> FReferenced by