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About this paper
Prabhjot Singh, Bhushan Pawar
The authors study how numerical hallucinations persist in a four-agent financial-analysis pipeline and test whether checking at each handoff limits their spread. They compare deterministic numeric gates at every handoff with the same check only at the end, using 346 injected errors across 140 FinanceBench questions. Survival was 16.2% versus 58.4%, respectively, in this tested setting.
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