The string a6c4e108... is likely a digital fingerprint. It ensures the file hasn't been corrupted or changed.
If you have the file, you can upload a screenshot of a frame to a visual search engine like Google Lens to identify the show, movie, or creator. a6c4e108f30427621ed0986d922a0703-720p.mp4
Platforms like Discord, Telegram, or Google Drive often rename files this way when they are uploaded to their servers. The string a6c4e108
If you are interested in the technical side of that specific format: 1280 x 720 pixels. Aspect Ratio: 16:9 (Widescreen). or creator. Platforms like Discord
This alphanumeric string looks like a or a CDN identifier typically used by cloud storage services or video hosting platforms.