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Please note that the documentation contained in this space is now considered 'archived' and are is longer being maintained. Please find our most up-to-date TDR documentation at 

Welcome to the home of the Trusted Digital Repository planning space.


 Foundation Documents

Open Archival Information System Reference Model - (PDF) - Describes a technical model for an information system to perform long-term digital preservation.

Trusted Digital Repositories: Attributes - (PDF) - Describes the responsibilities of an organization committed to the long-term preservation of digital objects.

Trustworthy Repositories Audit & Certification Checklist [TRAC] - (PDF) - Version 1 of the TRAC checklist, est. 2007.

ISO 16363: Audit and Certification of Trustworthy Digital Repositories - (PDF) - Magenta Book version, September 2011.

TRAC2 Response

ISO16363 Audit Criteria - a list of criteria included in the TRAC2 draft metrics. As the self-audit progresses, each criteria will be updated to describe Scholars Portal's compliance.

Acronyms & Glossary - A collection of acronyms and terminologies used in the Trusted Digital Repository planning process, and what they mean in the specific context of Scholars Portal and its preservation activities.

Audit and Documentation Progress

TRAC2 Progress Overview - our progress at a glance, organized by TRAC2 criteria. Identifies who is responsible for what criteria. List of ongoing discussion topics.

Document Checklist - a visual checklist of the pieces of required documentation for the TDR audit. As they are created/updated, links to the corresponding pieces of documentation will be made available.

Other Documentation

ITHAKA/Portico Presentation - Information gotten from Wei & Steve's visit to Portico, December 2010

Preservation Metadata Creation Progress Log - A record of what collections and backfiles are loaded and where they are loading from. 



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