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Ten comments move the stance of an LLM agent by 0.171 in a test

The third agent in a chain removes more than half of the change. The trace of each agent does not show the attack.

Claimed, not confirmed

One shift, then more than half gone Ten planted comments shift one agent's stance by +0.171. Two bars of equal starting length: Agent 1 is full; Agent 3 has more than half of its bar empty, marked as gone. STANCE SHIFT AT FIRST AGENT +0.171 10 comments, 32 cases Agent 1 Agent 3 More than half gone Comments hidden from later agents
Ten planted comments shifted one agent's stance by +0.171. By the third agent in a chain, more than half the shift was gone.

Sources

  1. Upstream Influence, Downstream Re-Anchoring in LLM Agent Chainsarxiv.org
AI MATTER · NEWS · AI MATTER · NEWS ·14 OCT2026

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