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Ge-Jian Zhao

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#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