The "build-26102022" tag indicates this specific version of the game data was packaged or released around October 26, 2022 , which is shortly after the game's official launch on October 21, 2022.
This is Part 4 of a larger download. Because modern games like Gotham Knights are 40GB to 60GB in size, they are often split into smaller "parts" (usually 2GB to 5GB each) to make downloading more manageable and to prevent total data loss if a connection fails. gotham-knights-build-26102022-part04-rar
You cannot open Part 4 by itself. If you are missing any other parts (Part 1, 2, 3, or subsequent files), the extraction will fail with a "missing volume" or "CRC error." The "build-26102022" tag indicates this specific version of