DThor supports store, query and delete a specific .torrent file. You can acess this file in a scalable way and at any time.
You need to have the search engine module to fully use DThor.
You can get it here: https://github.com/esfomeado/dthorsearchengine
Libraries:
TomP2P - DHT Implementation (https://github.com/tomp2p/TomP2P)
Jetty - Web Server (http://eclipse.org/jetty/)