Mensch worked on the contentauth/c2pa-rs repository, focusing on improving cryptographic data accessibility and system interoperability. They refactored the codebase by relocating the ValidationInfo structure to a centralized crypto module and exposing it through the c2pa-crypto crate, enabling external consumers to access validation metadata via a stable public API. This work emphasized code organization and Rust refactoring to support downstream integrations. Additionally, Mensch addressed CI stability by suppressing deprecated subdependency warnings in test modules, using Rust’s linting features to reduce build noise. Their contributions reflect a focus on maintainability, dependency management, and robust public API design in Rust.