If you are looking to download the file directly for testing, you can find the link within the original blog post.
The "deep" explanation of how this was achieved can be found on Russ Cox's research site, research!rsc . Download 102k zip
: Be careful when opening such files in automated scripts or certain unzipping tools, as recursive archives can sometimes trigger "zip bomb" protections or cause infinite loops if the software tries to extract every nested layer. Zip Files All The Way Down - research!rsc If you are looking to download the file
: This is a "quine" zip file—a recursive archive that contains a copy of itself. When you open r.zip , it contains another file also named r.zip , which contains another r.zip , and so on, theoretically forever. The Deep Blog Post Zip Files All The Way Down - research