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Repository and Preservation Tools for Long-term Digital Value

Explore the importance of preservation in digital repositories and tools available including OAIS, EPrints, FEDORA, and ingest procedures. Learn about fixity generation, virus checking, format identification, validation, metadata extraction, and archival storage.

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Repository and Preservation Tools for Long-term Digital Value

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  1. Repositories and Preservation Ed Pinsent ULCC/LEAP IRM Workshop 15 June 2012

  2. Why preservation? • Long-term value • Legal needs – compliance or rights • Business needs • Cost a lot to produce • Enhance reputation

  3. May depend on… • Institutional commitment to doing it • Mandate to preserve • Business drivers • Advocacy for “best practice” • “We are all in the business of knowledge and its preservation”

  4. Open Archival Information System (OAIS) Reference Model

  5. EPrints and PRESERV

  6. FEDORA and OAIS

  7. Ingest procedure…+ tools 1. Fixity generation – MD5 checksum 2. Virus checking - AVG 3. Format identification – DROID + PRONOM 4. Format validation - JHOVE 5. Environmental metadata extraction - NLNZ Metadata Extract Tool 6. Format specific metadata extraction - NLNZ Metadata Extract Tool 7. Store in digital archive – software script

  8. Integrated tools and plugins • DROID (Digital Record Object Identification) - an automatic file format identification tool • Looks up live data held in PRONOM • Outputs definitive file format profile, size, extension + checksum • EPrints plugin • Automates process • Stores in database as metadata

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