Digital Preservation Services

The TDL offers Digital Preservation Services to help Texas cultural heritage and scholarship stewards provide access to their treasures for the long term through direct consulting, training at all levels, and workflow support that includes the right combination of technologies for your unique content needs.

Web Archiving

Texas Digital Library offers its regular members a 10% discount on Archive-It Membership. As we add more members over time, that discount could increase. To become part of the Archive-It consortial discount, contact the Archive-It team at the Internet Archive to discuss your level of membership, let them know you’re part of the TDL, and we’ll go from there. Once you join, your billing will be included in your annual membership fees with TDL and all hosting and support will be provided by Archive-It.

Our Web Archiving Texas Interest Group (WATXIG) facilitates a community around web archiving in Texas, bringing people together to share skills and resources to accomplish shared goals, and amplify our work that impacts the national and and international web archiving community.

Digital Preservation Storage

Every digital preservation storage option begins with DuraCloud™ @TDLThen, members can choose pathways to any combination of the following storage solutions:

  • Digital Preservation with Chronopolis
  • Digital Preservation with Amazon S3
  • Digital Preservation with Glacier
 

Chronopolis

Amazon Web Services

S3

Glacier

Mission Non-commercial, rooted in cultural heritage community

Commercial

Commercial

Geographic Distribution Any three from the following technologically diverse partner nodes: UCSD, TDL, UMIACS, and NCAR

Amazon East

Amazon East

File Fixity and Data Integrity DuraCloud@TDL MD5 hashes on upload.

Chronopolis checks SHA-256 hashes every 30 days or as specified by member, not to exceed 6 months.

ACE audit tool creates and checks ‘tokens’ for data integrity.

DuraCloud@TDL MD5 hashes on upload.

Combination of MD5 hashes and cyclic redundancy checks (CRCs) with unspecified regularity, on upload, and when content is moved.

DuraCloud@TDL MD5 hashes on upload.

Combination of MD5 hashes and cyclic redundancy checks (CRCs) with unspecified regularity, on upload, and when content is moved.


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