During November 2025, Paras Stefans developed nanosecond-precision timestamp utilities for the basetenlabs/truss repository, focusing on backend improvements using Python. Paras enhanced the truss CLI to accurately handle and format timestamps with nanosecond precision across Python 3.9 and newer, supporting a variety of ISO timestamp formats. This update reduced runtime errors when endpoints returned high-precision timestamps and improved the reliability of the train cache summarize workflow. By increasing data fidelity in analytics and ensuring robust cache summarization, Paras addressed a nuanced backend challenge, demonstrating depth in Python and backend development while contributing a targeted feature to the project’s core utilities.