If this was an assignment or a shared file, search your downloads folder or message history for that exact name.
The string appears to be a specific, hashed filename for a video file, likely from a content delivery network (CDN) or a database. Because this is a unique identifier rather than a broad subject, there isn't a single "proper paper" (academic or research) dedicated to it. 57143a1485d2e343d15d57040d4c6dad962.mp4
If you have been assigned to analyze this specific video, the "proper paper" format would typically follow standard academic guidelines based on your field: If this was an assignment or a shared
Knowing if it's for a class, a technical project, or a legal inquiry will help me find the specific documentation or "paper" you need. MP4 files explained: How to open and use - Adobe If you have been assigned to analyze this