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Author

Ziyi Zhao

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Preprint Aug 2026

Representation Handoffs for OpenArm-Based Laboratory Mobile Manipulation

Open-source robotics and foundation models have lowered the barrier to embodied AI, yet language-guided laboratory automation still requires reliable alignment from instructions and observations to safe actions. This field report presents an OpenArm-based mobile manipulation prototype for laboratory-style tasks, built...

Yang Shen, Chong Cheng, Zi-Yi Zhao et al. · 0 citations
Book Open access Jul 2026

When Context Bites: Detecting RAG Poisoning via Document-Level Attention Collapse

D-SCAN (Document-level Signal Collapse Analysis), a lightweight detection framework that monitors attention dynamics to identify attacked generations and proposes D-SCAN, a lightweight detection framework that can detect attacks even when they fail to alter the final answer.

Yingtao Ren, Ziyi Zhao, Yiwei Fu et al. · 0 citations

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