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Michael Backes

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#machine learning Preprint Aug 2026

AgentProv: Auditing Agentic LLM API Providers via Tool-use Policy Probes

Agentic Provenance (AgentProv), the first action-based identity audit for agentic LLM APIs, is introduced: AgentProv fingerprints a deployed model through its categorical tool-call distribution and decides identity via an MMD permutation test.

Xun Wang, Bihe Zhao, Michael Backes et al. · 0 citations