0go9hjoapeajpvijuh5jr_source.mp4

Since there is no public information or "informative piece" available for this specific file string, it likely refers to a private video or a technical asset unique to your own device or local network.

regarding its contents?

To help me provide the informative piece you are looking for, could you please provide more context? For example: 0go9hjoapeajpvijuh5jr_source.mp4