: The date the video was recorded (September 28, 2022).

: In biological research, "EV" frequently refers to Extracellular Vesicles , and such a filename might represent a video of cellular processes recorded in a lab. Cybersecurity Caution

: Many "smart" cameras and dashcams automatically label files with the date and time. An "Ev" tag often indicates an Event-triggered recording, such as motion detection or an impact.