[ ] - 09 (b-global 3840x2160 Hevc Aac Mkv) [79d... -

This is 4K (Ultra HD) . Note that most TV anime is produced at 720p or 1080p, so these 4K files are often upscaled by the streaming platform or the release group.

The string at the end (likely 79DXXXXX ) is a CRC32 checksum used to verify that the file was downloaded without errors. Common Releases with this Pattern [ ] - 09 (B-Global 3840x2160 HEVC AAC MKV) [79D...

The video is a web-rip from the Bilibili Global streaming platform. This is 4K (Ultra HD)

A standard compressed audio format (Advanced Audio Coding). Common Releases with this Pattern The video is

The Matroska format, which allows multiple subtitle tracks and audio streams to be bundled in one file.

The file naming convention indicates a high-quality, 4K resolution anime release sourced from Bilibili Global . This specific format is frequently used by release groups like NC-Raws to distribute seasonal anime content. File Technical Breakdown