Serpent and Nursery/Hearsay never existed. Those were just misconceptions because the board was not clear in the Making of Meteora DVD. They were always Shortcut (Fighting Myself) and Husky (Hit the Floor).
Resolution is 100% Lost. It's been confirmed by Brad, as well. It's the same scenario with Holding Company -> Lost in the Echo, Animals -> Roads Untraveled, they developed from earlier demos, but kept their working title.