The filename appears to be a unique identifier, likely an MD5 hash used by file-sharing networks, automated downloaders (like Usenet or private trackers), or specific internal databases to mask the actual title of a video file .
: To avoid automated takedowns, uploaders name files with hashes. 7d5b17e185069e5c77b4c945e4fa29b5.mkv
: Navigation points similar to a DVD/Blu-ray menu. The filename appears to be a unique identifier,
: Support for lossless audio formats (FLAC, DTS-HD) and high-bitrate video (HEVC/H.265). 3. Technical Handling Guide : Support for lossless audio formats (FLAC, DTS-HD)
: If you downloaded this via a .nzb or .torrent file, the original source page will have the mapping of this hash to the specific release (e.g., a specific "Scene" group release of a film). 2. Understanding the .MKV Format
Since the extension is .mkv (Matroska Video), the file is a container. Unlike .mp4 , MKVs are popular for high-quality "deep" releases because they support: