5ef510cf47d2ad7193eea_source.mp4

A 21-character alphanumeric hash (likely a version of a UUID or a SHA-1 fragment) used to ensure the filename is unique within a database.

Many platforms (like Shopify or WordPress with specific plugins) rename user-uploaded videos to these strings to prevent filename conflicts on the server. 5ef510cf47d2ad7193eea_source.mp4

This could be a background video or an onboarding tutorial asset for a mobile or web application. How to Access the Data A 21-character alphanumeric hash (likely a version of

.mp4 (MPEG-4 Part 14), a standard digital multimedia container format most commonly used to store video and audio. Naming Structure: the software used to encode it

If you have the file, you can use a tool like MediaInfo or ExifTool to find the creation date, the software used to encode it, and potentially the original uploader's device info.