The Provenance Paradox in Multi-Agent LLM Routing: Delegation Contracts and Atte

The paper surfaced on March 20th, posing what its authors call the "Provenance Paradox" in multi-agent LLM routing systems. The core problem it addresses is deceptively simple to state and genuinely difficult to solve: when a chain of AI agents delegates tasks to one another, how do you know which agent actually produced a given output, and whether that agent had the authority to produce it? The proposed solution involves something the authors call "delegation contracts" — essentially structured agreements baked into the routing layer that record who handed off what to whom — combined with attested identity mechanisms borrowed from the Linked Data Platform (LDP) framework. The idea is that every handoff leaves a cryptographically verifiable fingerprint, so you can trace a final answer back through the full chain of custody. Think of it as a bill of lading for reasoning.

If confirmed, here is what this means. As organisations begin deploying multi-agent LLM architectures in production — customer service pipelines, autonomous research assistants, code generation chains — the question of accountability becomes legally and operationally consequential in ways that most current systems are completely unequipped to handle. Right now, when a multi-agent system produces a harmful or incorrect output, there is effectively no audit trail. Delegation contracts with attested identity would change that, giving compliance teams, regulators, and engineers something concrete to point to. The second-order effect is significant: it would shift the architecture of multi-agent systems from a performance-first design to a provenance-first one, which raises costs and complexity but also makes enterprise adoption far more defensible. Companies building agentic AI products who ignore this problem are quietly accumulating liability they haven't priced in yet.

Watch for citations of this preprint from applied AI safety researchers or enterprise AI infrastructure teams, and for whether any major agentic framework — LangChain, AutoGen, or similar — picks up the delegation contract concept in a GitHub discussion or roadmap document.

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