i've heard about POSSE for a long time but never understood how people implement it exactly. Really appreciate that @molly0xfff's post about POSSE includes a link to the source for her microblog's implementation
her POSSE post: https://www.citationneeded.news/posse/
microblog: https://www.mollywhite.net/micro/
source: https://github.com/molly/dynamic-website