The filename appears to be a randomly generated or hashed string typically used by cloud storage platforms, CDNs, or file-sharing services (like Reddit's video hosting or Discord).
(e.g., a specific subreddit, Discord server, or website)?
(e.g., "Solid Explorer" app, a "Solid" programming framework, or 3D printing "solid" parts)?
Do you have any about what the video was supposed to be teaching? User Guide Archives - Solid Explorer - NeatBytes
If you're looking for instructions on how to use , you can find their official User Guide on NeatBytes .
Because these strings are unique to specific uploads, there isn't a public "solid guide" associated with that exact filename in general search indexes. It is likely a video file someone shared with you under that name, or a cached file from a specific community post.