Flávio Gabriel Gonzaga Leitão contributed to the verg1lio/XangoER repository by enhancing code provenance and attribution practices. He implemented a metadata update in Python, focusing on code authorship recognition within the digitaltwin_dynamics.py module. This work centered on code attribution, ensuring that contributor information was accurately reflected in the codebase without altering runtime logic or behavior. Flávio’s approach maintained backward compatibility, verified through the existing test suite, and reinforced documentation standards. By prioritizing precise author attribution, he supported improved code governance and transparency. The update demonstrated attention to detail in code documentation, leveraging Python and metadata management skills throughout the process.