Proof-Carrying Certificates for LLM Pipelines: A Trust-Boundary Architecture

In three linesFormal verification framework for LLM pipelines using Lean 4 certificates. Three certificate families (conflict-aware bilattice, embedding sensitivity, Hoare-style agent action) plus two operators (Maximal Certifiable Residue, Compositional Stability) for high-stakes deployments (regulated finance, clinical support, agentic systems). Compiled artifact covers 22 certificate types, 17/46 declarations axiom-free.

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