In this post, I examine different trusted timestamping methods. I start with some of the more traditional methods before discussing OriginStamp, a solution by Gipp, Meuschke, and Gernandt that uses the Bitcoin blockchain for timestamping.
by Shawn M. Jones, Herbert Van de Sompel, Harihar Shankar, Martin Klein, Richard Tobin, and Claire Grover
Increasingly, scholarly articles contain URI references to “web at large” resources including project web sites, scholarly wikis, ontologies, online debates, presentations, blogs, and videos. Authors reference such resources to provide essential context for the research they r...
As we celebrate the 20th anniversary of the Internet Archive, I realize that using Memento and the Wayback Machine has become second nature when solving certain problems, not only in my research, but also in my life. Those who have read my Master’s Thesis, Avoiding Spoilers on...
We are pleased to report that the W3C has embraced Memento for versioning its specifications and its wiki. Completing this effort required collaboration between the W3C and the Los Alamos National Laboratory (LANL) Research Library Prototyping Team. Here we inform others of th...
In a previous post, we discussed a way to use the existing Memento protocol combined with link headers to access unaltered (raw) archived web content. Interest in unaltered content has grown as more use cases arise for web archives. Ilya Kremer and David Rosenthal had previous...
On June 16, 2016, the Library of Congress hosted a one day Symposium entitled Saving the Web: The Ethics and Challenges of Preserving What’s on the Internet.
While analyzing mementos in a recent experiment, we discovered problems processing archived content. Many web archives augment the mementos they serve with additional archive-specific information, including HTML, text, and JavaScript. We were attempting to compare content acro...
I was fortunate to present a poster at the 25th International World Wide Web Conference, held from April 11, 2016 - April 15, 2016. Though my primary mission was to represent both the WS-DL and the LANL Prototyping Group, I gained a better appreciation for the state of the art...
by Herbert Van de Sompel, Martin Klein, Shawn M. Jones
We quantify the extent to which references to papers in scholarly literature use persistent HTTP URIs that leverage the Digital Object Identifier infrastructure. We find a significant number of references that do not, speculate why authors would use brittle URIs when persisten...
Recently, we conducted an experiment using mementos for almost 700,000 web pages from more than 20 web archives. These web pages spanned much of the life of the web (1997-2012). Much has been written about acquiring and extracting text from live web pages, but we believe that ...
