Digital Preservation and Trusted Digital Repositories

Priscilla Caplan

Florida Center for Library Automation

ALA 2005 Chicago IL

ALA Annual Conference Chicago 2005

Two entirely different things:

Digitization for preservation Reduce handling of non-digital originals Increase access Alternative to microfilming or analog reformatting

Digital preservation How to ensure long-term usability of digital objects Protect from loss of data, media and software

obsolescence Maintain authenticity and understandability

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Digital preservation technologies

Tools

JHOVEFormat registriesMETSWeb Archives Workbench

Standards and Frameworks

OAISZ39.87PREMISPDF/A

Preservation Strategies

Media migrationFormat migrationEmulationUniversal Virtual Computer

Applications and InitiativesE-Depot (KB)Portico (E-Archive)PANDORA (NLA)FCLA Digital Archive (DAITSS)

ALA Annual Conference Chicago 2005

Digital preservation technologies

Tools

JHOVEFormat registriesMETSWeb Archives WorkbenchCertification metrics

Standards and Frameworks

OAISZ39.87PREMISPDF/ATrusted digital repositories

Preservation Strategies

Media migrationFormat migrationEmulationUniversal Virtual Computer

Applications and InitiativesE-Depot (KB)Portico (E-Archive)PANDORA (NLA)FCLA Digital Archive (DAITSS)CRL Certification project

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Towards trusted digital repositories Preserving Digital Information (RLG/CLIR,

1996) Trusted Digital Repositories (OCLC/RLG,

2002) Digital Repository Certification Task Force

(RLG/NARA, ongoing) Working Group on Trusted Repositories

Certification (nestor, ongoing) CRL Certification of Digital Archives

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Preserving Digital Information“A critical component of the digital archiving

infrastructure is the existence of a sufficient number of trusted organizations capable of storing, migrating, and providing access to digital collections…”

“A process for certification of digital archives is needed to create an overall climate of trust about the prospects of preserving digital information.”

http://www.rlg.org/legacy/ftpd/pub/archtf/final-report.pdf

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Trusted Digital Repositories: Attributes and Responsibilities

Defined Trusted Digital Repository Listed Attributes of a TDR Listed Responsibilities of a TDR Discussed and Called for Certification of TDR

http://www.rlg.org/longterm/repositories.pdf

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A trusted digital repository…

… is one whose mission is to provide reliable, long-term access to managed digital resources to its designated community, now and in the future.

May be locally run or third-party Must accept responsibility for the long-term

maintenance of digital resources on behalf of its depositors and for the benefit of current and future users

Meets organizational, curatorial and operational responsibilities outlined in paper

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TDR Attributes Framework

OAIS Compliance Administrative Responsibility Organizational Viability Financial Sustainability Technological Suitability System Security Procedural Accountability

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“Stewardship is easy & inexpensive to claim; it is expensive and difficult to honor, and perhaps it will prove to be all to easy to later abdicate.”

Clifford Lynch

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Digital Repository Certification Task Force charge Identify a list of certifiable elements

(attributes, processes, functions, activities) of a digital repository or types of repositories

Create a standard certification process or framework that can be implemented across domains or types of digital repositories

Define the conditions for revocation of certification and suggest appropriate action plans for endangered digital information

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Emerging Certification Framework Cross-domain, international, repository

neutral Key responsibilities and certification metrics Dual-purpose toolkit

Self-evaluation Independently administered audit

Draft for pubic comment due July 2005 www.rlg.org/en/page.php?Page_ID=580

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nestor Working Group

Network of Expertise in Long-Term Storage of Digital Resources (nestor)

Repository certification effort based on TDR Started December 2004 German academic libraries only Begin with low bar for certification and raise

over time

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CRL Certification of Digital Archives Mellon-funded, began May 1, 2005 Focuses on resources not necessarily owned

by community (e.g. ejournals, news) Will develop processes and activities

required to audit and certify digital archives Target archives:

Koninklijke Bibliotheek Ithaka’s Portico Medical journals

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CRL Project Phases

Design audit process and documentation of metrics and terminology to be used

Model audit process through test audits of three repositories

Develop the profile and business model for a certifying agency

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Trust, but Verify