Grounded response segments are the specific text spans within an AI-generated answer linked via grounding metadata to particular source URLs, allowing the Veracity Engine to calculate a fidelity score by checking only the claims attributed to that page.
sequenceDiagram
participant LLM as AI Response
participant Meta as Grounding Metadata
participant Ver as Veracity Engine
participant Web as Source Webpage
LLM->>Meta: Segment spans with grounded claims
Meta->>Ver: Map segment span to source URL
Ver->>Web: Fetch page text via url_context
Ver->>Ver: Classify claims (survived, lost, distorted)
Ver-->>Ver: Compute Segment Fidelity ScoreReferenced by