>>9432 >...something I can check: does the top of it match to the first blocks of... I checked the first 181.32 MiB of both ZIP files - they don't match:
$ head --bytes=190123456 ImgurClopCompilationV2Repacked | sha1sum -
6db68d77e45ce48dbbd20509f10bc25c2ce04902 -
$ ipfs cat -l 190123456 QmSpmoYaoPDVG4KWemGHrGVLU9NaTkeWTRWCv551Rd5YAT | sha1sum -
845cdce98ac076a439a979d1a6657195854d3a3c -
$ # no match with the first 1901 bytes either; same with first 190
This means that archive.org's zip-on-the-fly feature at https://archive.org/compress/[ID] creates non-deterministic ZIP files, and one of the reasons IA does this is because it doesn't consistently sort the files in the ZIP file. It would be better if IA generated deterministic ZIP files.