Worked on enhancing the reliability and security of Ubuntu image downloads by implementing end-to-end integrity verification for the 26.04 release. This involved adding image checksums directly to the canonical/ubuntu.com repository and integrating them into the releases.yaml workflow, allowing for automated publishing and verification of image integrity. The approach leveraged configuration management and DevOps practices, utilizing YAML to manage and automate the checksum process. By embedding these checksums into the release pipeline, the work reduced the risk of tampered downloads and improved user trust in distributed images, reflecting a focused contribution to secure software distribution within a short timeframe.