Author

Xin-Peng Zhang

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Preprint Oct 2026

Decision Uncertainty-Oriented Watermarking (DUOW): Securing Multi-Agent Routing Against Policy Cloning

Routing policies in Multi-Agent Systems (MAS) represent valuable intellectual property, yet their exposure through execution logs creates significant risks of unauthorized policy cloning. Existing agent watermarking methods protect intellectual property by modifying internal generation processes, such as perturbing tok...

Zi-Ming Zhang, Li Li, Guo-Rui Feng et al. · 0 citations

#artificial intelligence Preprint Oct 2026

AgentTrace: Execution-Level Fingerprinting of Black-Box LLM Agents

Verifying the provenance of autonomous LLM agents is a critical security challenge. Existing semantic attribution is easily obfuscated by system prompts, while active watermarking conflicts with schema-constrained tool generation. We propose AgentTrace, an active framework that identifies the foundation model behind a...

Ge-Jian Zhao, Han-Zhou Wu, Xin-Peng Zhang · 0 citations