Solutions: Crossref.org
Originally at https://metascience.shaunagm.net/post/23009058794/solutions-crossref-org
As described in this Nature article:
One solution is being developed by CrossRef, a non-profit collaboration of 3,599 commercial and learned-society publishers. It tries to address the fact that many researchers today never see corrections or retraction notices because they just download digital, PDF-formatted copies of the papers they need, and never again consult the original source. A new system, called CrossMark, consists of a logo that publishers will put on every PDF. Clicking on the logo will show Internet-connected users any updates to the work, whether retractions, corrections or other notes. The project is expected to launch in early 2012.