This string looks like it could be a generated ID or a code, possibly from a video platform, a content management system, or a cloud storage service. The .mp4 extension at the end confirms that it's a video file.
0gpzo25ampemww96fwmb3_source-N5aFMdY1.mp4 0gpzo25ampemww96fwmb3_source-N5aFMdY1.mp4