Platforms like Cloudinary or Imgix use these strings to track assets. If you found this in a website's source code, it is being served from their servers.
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. 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 Platforms like Cloudinary or Imgix use these strings
The filename appears to be a unique, hash-based identifier typically generated by cloud storage platforms, content delivery networks (CDNs), or media management systems like Cloudinary , Vimeo , or Firebase . This could be a background video or an
This suffix usually indicates that this is the original, uncompressed upload . In media workflows, "source" files are used as the master copy to generate "derived" versions (like 720p, 1080p, or thumbnail previews). Likely Origins