
FinGround: Detecting and Grounding Financial Hallucinations via Atomic Claim Verification
FinGround addresses a critical vulnerability in financial AI systems: LLMs routinely fabricate metrics, misattribute sources, and fail arithmetic checks against regulatory filings. The work decomposes financial answers into atomic claims, routing each through type-specific verification logic including formula reconstruction against structured tables. This matters urgently because the EU AI Act's high-risk enforcement deadline (August 2026) will hold financial institutions liable for hallucinated compliance outputs. The research reveals that generic hallucination detectors miss 43% of computational errors, establishing domain-specific verification as a prerequisite for regulated AI deployment in finance.62




























