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Digital Preservation: Ensuring Trust Through Fidelity, Openness, and Viability

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Digital preservation is a complex interplay of fidelity, format flexibility, and medium viability, critical for maintaining trust in digital assets. As of March 5, 2011, three interrelated facets define this practice: ensuring appropriate capture fidelity (such as through Kenney and Chapman’s benchmarking studies), advocating for open standards that allow for diverse formats and transformability, and securing the viability of various media through redundancy and strong metadata. Understanding these elements is essential for effective long-term digital preservation strategies.

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Digital Preservation: Ensuring Trust Through Fidelity, Openness, and Viability

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  1. Digital Preservation A Matter of Trust

  2. Context * As of March 5, 2011

  3. Three inter-related pieces • Fidelity or appropriateness of capture • Openness and flexibility of formats • Viability of the “medium” (construed broadly)

  4. Fidelity or appropriateness of capture • Kenney and Chapman’s benchmarking studies to aid in determining appropriate resolution • The purpose to which something is put: the same work may be digitized several different ways, depending on purpose, including analysis of the artifact, reproduction, computation, different user communities (e.g., print-disabled) • Jeremy York, “Legibility and Large-Scale Digitization”

  5. Openness and flexibility of formats • Standards (memorialized, shared) • Transformability: A rich and flexible master allows us to, on demand, create versions for many different purposes (no dead ends, lots of tools to take from X to Y) • Consider mobile interfaces (see example)

  6. mobile

  7. Viability of the “medium” • Formerly considered in terms of substrates (cf., NISO testing on durability of gold CD-ROM) • Now, redundancy within and replication among • And audit, self-audit and external (cf. TRAC)

  8. Knowing what you have • Strong metadata • Registration (e.g., Keepers) and reporting (so that others understand what is preserved) • Overlap analysis (understanding how collections relate to the archive)

  9. A global change in the library environment Academic print book collection already substantially duplicated in mass digitized book corpus June 2010 Median duplication: 31% June 2009 Median duplication: 19%

  10. HathiTrust Content Growth

  11. Financial contributions of partners HathiTrust Functional Framework

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