You can embed actual files (like PDF scripts or JPEG cover art) directly inside the video container.
While the specific contents of that exact hash aren't publicly indexed in a way that reveals a specific "hidden feature," the itself has several interesting technical capabilities: fd5d2057a7e8da61796dc6d1cc243cc9.mkv
If a recording is interrupted, MKV files are often still playable up to the point of failure, whereas MP4 files typically become corrupt and unreadable. You can embed actual files (like PDF scripts
It can hold an unlimited number of video, audio, picture, and subtitle tracks within a single file. fd5d2057a7e8da61796dc6d1cc243cc9.mkv