>Think about some sort of publish/subscribe system, in which a web-page creator can regularly hit a publish command that makes it available for archiving, and various web archives can subscribe to receive updates This seems like something we could (should?) have right now. Maybe IA should write a Wordpress plugin, if they haven't? >Think about creating an archive of software as well, that perhaps may have to include…
I think you just reinvented https://pingomatic.com/