Worked on verification and tooling improvements for the microsoft/verified-storage repository, focusing on enhancing the correctness and reliability of formal verification processes. Addressed a key issue by switching Verus specification functions from the 'closed' to the 'uninterp' semantic, ensuring that verification results more accurately reflect intended behaviors. Updated the Rust toolchain to version 1.85.1 and aligned the Verus dependency to a specific commit, streamlining integration and reducing maintenance risk. The work leveraged expertise in Rust, system programming, and Verus, resulting in improved verification reliability and a more robust development workflow, though the period focused on bug fixes rather than new features.