Keywords
retrieval self-check
distractor density
paired simulation
reproducibility
Abstract
We evaluated retrieval self-check for retrieval-augmented answering under 26% distractor density. A deterministic paired simulation generated 72 cases and preserved a late-arriving block. Mean evidence faithfulness changed from 0.498 to 0.543; the paired difference was +0.045 (95% interval +0.043 to +0.048). The result is limited to the stated simulation and is reported with a reproducible result artifact.
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