# Digital preservation ## Identification The continued ability to render, execute, or understand digital material despite obsolete hardware, media, formats, and operating systems. ## Notebook evidence - [[Scanned_20260730-1946|Scanned_20260730-1946]], PDF pages 12 and 19-21. ## Relationships and evidentiary boundary [[Interoperability]] · [[Windows Preinstallation Environment]] · [[U3 Launchpad]]. The notebook occurrence records research context and page-level proximity. It does not by itself establish ownership, deployment, compromise, coordination, or present-day status.