Include info hash in usenet post subject, and optionally nzb in torrent fileset.  

as usenet streaming matures I envision mixed-mode clients that can stream from usenet pouring in as seed to under-represented seed-clouds.  The ultimate FUSED seedbox!

github:nzbdav-dev/nzbdav

github:Sanket9225/UsenetStreamer

There are others though these are the most mature

TBC: someone will need create the middleware for automation.  For now usenet provides the content backup allowing re-seeders to join the swarm.