: Take a screenshot of a key frame and upload it to Google Lens to see if the video has been posted elsewhere online.

If you have access to the file and want to verify its content without opening it directly:

: Use tools like the InVID verification plugin to inspect the creation date, camera type, or GPS data.

: "Shin" could be an abbreviation for a specific camera manufacturer, location (e.g., Shinjuku), or individual's name, while "15087" is a standard numerical timestamp or sequence ID.

Could you provide more on where you found this file or describe any visuals from the video?