Author

Yi-Na Sa

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#artificial intelligence Preprint Sep 2026

Actions with Receipts: Jointly Binding Claims, Evidence, and Execution for Replayable Tool-Agent Auditing

Tool-using agents can expose citations and execution logs while leaving a critical association unaudited: whether the claim shown to a user is the claim emitted by the committed execution and supported by the cited source. A valid citation and a valid trace can therefore remain individually well formed while being tran...

Miao-Bo Hu, Shu-Hao Hu, Xiao-Bo Guo et al. · 0 citations

#artificial intelligence Preprint Sep 2026

ContractRL: Shielded Group-Relative Policy Optimization for Auditable Tool-Call Repair

Structured tool calls often fail after only a small number of fields violate a schema or an execution contract. Regenerating the complete object enlarges the action surface and makes repeated repair difficult to audit. We introduce ContractRL, a contract-constrained sequential repair protocol that models verifier-guide...

Miao-Bo Hu, Shu-Hao Hu, Xiao-Bo Guo et al. · 0 citations