Cithomas contributed to the open-telemetry/otel-arrow and open-telemetry/opentelemetry-collector repositories, focusing on maintainability, documentation accuracy, and performance visibility. They built a foundational performance testing framework in Python and YAML, integrating it with GitHub Actions to automate benchmarking and regression detection for telemetry pipelines. Cithomas also addressed repository hygiene by correcting protocol version documentation and fixing broken hyperlinks, ensuring that documentation in Markdown remained consistent with the codebase and Makefile. Their work emphasized CI/CD best practices and orchestration, laying the groundwork for future performance instrumentation while reducing support overhead through improved documentation and automated testing workflows.