Decoding the file name reveals the technical specifications of the project:
When you see a string like 2160p.UHD.DNR.35mm.x265 , it tells you exactly what "flavor" of the restoration you are looking at: The project name (1977 film in 4K). 2160p / UHD: This is Ultra High Definition. starwars4k772160puhddnr35mmx265v104k7 hot
The string starwars4k772160puhddnr35mmx265v104k7 identifies a specific digital release of Project 4K77 Decoding the file name reveals the technical specifications