: These are often shorthand for the source group, the content type (e.g., "Hard" or "History"), or a specific project code. 081122 : This is almost certainly a date— August 11, 2022 .
: To access the contents, you will definitely need the subsequent parts (e.g., part2.rar , part3.rar ) located in the same folder, as a single .part1 file cannot be extracted on its own [2].
Because this looks like a (indicated by .part1.rar ), its most "interesting" technical feature is Header Encryption or Recovery Records :