We caught cloud providers silently hot-swapping LLMs (Bait-and-Switch) using a cryptographic memory DAG.

Hey everyone, I was building an open-source external memory engine for LLM agents in Rust. The goal was to bring retrieval overhead below 0.2% and eliminate context-injection hallucinations. To do this, the architecture uses a strictly verifiable Merkle DAG: every state change, search, or API gener