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AgentEval found 36 evidence faults that hash-only checks did not find

Independent checks agreed on all 30 complete episodes.

AgentEval keeps an assessment record with 3 parts: the actions of the agent, the evidence, and if the result is good at this time. In controlled changes to 48 evidence views, it showed 36 binding faults that hash-only checks did not find. Agent behavior did not change.

36 of 48 evidence views had binding faults that hash-only checks missed In controlled tests on 48 evidence views, AgentEval exposed 36 binding faults that hash-only checks missed, without changing agent behavior. A grid of 48 squares shows 36 filled red and 12 grey outlines. EVIDENCE VIEWS TESTED 48 36 binding faults missed by hash-only checks Missed by hash-only checks Other views Agent behavior unchanged
In controlled tests on 48 evidence views, AgentEval exposed 36 binding faults that hash-only checks missed, without changing agent behavior.

Sources

  1. AgentEval: Evidence-Bounded Assessment of Stateful Agentsarxiv.org
AI MATTER · NEWS · AI MATTER · NEWS ·16 OCT2026

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