The filename appears to be a system-generated identifier typically used by digital platforms—such as video hosting sites, social media networks, or content delivery networks (CDNs)—to store and organize media assets.
: It usually identifies the master file uploaded by the user before any compression or transcoding occurs. 0h4ewl0o7nu2f4wr6ufgy_source.mp4
: Services like AWS S3 or Google Cloud often rename files during the "ingestion" phase to keep back-end systems organized. The filename appears to be a system-generated identifier