It looks like is a default filename generated by recording software (like OBS Studio ) or a camera, representing the date (October 27, 2022) and time (10:32:51 PM).
(e.g., "I finally beat the boss at the 2-minute mark") 2022-10-27 22-32-51.mkv
Because this is a personal file, I don't have access to its contents. To help me write a proper summary or "write-up" for you, could you tell me: It looks like is a default filename generated