COLLECTED BY
Organization: National Archives and Records Administration
National Archives and Records Administration crawl performed by Internet Archive. This data is currently not publicly accessible.
Collection: NARA 112th Congressional Crawl
This crawl of online resources of the 112th US Congress was performed in Fall of 2012 and early winter of 2013 on behalf of NARA.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20121212133121/http://feeds.mashable.com/Mashable