Category: Standards

It’s Not Just Integrity: Fixity Data in Digital Sound and Moving Image Files

This blog post is co-authored by Carl Fleischhauer, Project Manager, Digital Initiatives, Library of Congress. People who manage audio and video files over time, do create fixity data, aka hash values or checksums, to help monitor the condition of those files in storage and when moved from one system or media to another system or […]

New NDSA Report: The Benefits and Risks of the PDF/A-3 File Format for Archival Institutions

We’re lucky in the digital stewardship community that our challenges tend to be non life-threatening. Still, when we get fired up about something there is guaranteed to be spirited debate and passionate advocacy on all sides. Such was the case with the release of the PDF/A-3 file format specification in October 2012. We wrote about […]

Let’s Start at the Very Beginning: Guiding Principles for Creating Born Digital Video

The beginning is a very fine place to start indeed for the Federal Agencies Digitization Guidelines Initiative Born Digital Video subgroup of the Audio-Visual Working Group. As mentioned in a previous blog post, the FADGI Born Digital Video subgroup is taking a close look at the range of decisions to be made throughout the lifecycle […]

Wikipedia: The Go-to Source for Information About Digital Preservation?

The following is a guest post from Andrea Goethals, Digital Preservation and Repository Services Manager at the Harvard University Library, with contributions from Stephen Paul Davis, Director of Columbia University Libraries Digital Program Division and Kate Zwaard, Supervisory IT Specialist, Repository Development, Library of Congress. Andrea and Kate co-chair the NDSA Standards and Practices Working […]

Packaging eSerials for Transfer and Preservation

In my work at the Library, one of my larger projects has to do with the acquisition and preservation of eserials. By this I don’t mean access to licensed and hosted eserials, but the acquisition and preservation of eserial article files that come to the Library. In many ways, this is just like other acquisition […]

DOIs and the danger of data “quality”

I’ve just spent a moment looking at guidelines [PDF] from the UK’s National Environment Research Council (NERC) on how NERC funded research can obtain a persistent identifier through the DOI® system. NERC have a data sharing policy, and fund data centres … Continue reading

Can I Get a Sample of That? Digital File Format Samples and Test Sets

If you’ve ever been to a warehouse store on a weekend afternoon, you’ve experienced the power of the sample. In the retail world, samples are an important tool to influence potential new customers who don’t want to invest in an unknown entity. I certainly didn’t start the day with lobster dip on my shopping list […]

One Format Does Not Fit All: FADGI Audio-Visual Working Group’s Diverse Approaches to Format Guidance

This is the first in a two-part update on the recent activities of the Federal Agencies Digitization Guidelines Initiative. This article describes the work of the Audio-Visual Working Group. The second article, to be published on November 4th 2013, describes the work of the Still Image Working Group. I wish I had a quick and […]

Digital Preservation Pioneer: Sam Brylawski

When Sam Brylawski was a teenager he had to write a paper for his high school American history class about Gershwin’s “Rhapsody in Blue,” so he did something that was ambitious for a high school student: he traveled to the Library of Congress to examine the composition’s original manuscript in the Gershwin collection. Brylawski found […]