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Also known as: Archival Resource Key
A URL-based persistent identifier scheme for durable naming and resolution of digital objects over the long term.
DESCRIPTION
ARK (Archival Resource Key) is a persistent identifier designed to provide long-term, actionable, and resolvable links to digital objects and their metadata. ARKs emphasize institutional commitment, human-readable design, and support for descriptive, policy, and machine-actionable components. They integrate with the N2T resolver and can be minted by institutions to ensure durable access. ARKs complement DOIs, offering flexibility and transparency in persistence statements. They are widely used in libraries, archives, and data repositories.
ALTERNATIVE DEFINITIONS
ARK Alliance
ARKs are web addresses (URLs) designed to be stable, persistent identifiers for information objects of any type.
Emphasizes URL nature and persistence across object types.
California Digital Library
The ARK (Archival Resource Key) is a URL-based identifier scheme providing long-term access to information objects.
Highlights URL-based scheme and long-term access purpose.
N2T Resolver
ARKs are actionable, flexible, and open identifiers, designed for reliable access to digital objects and their metadata.
Focuses on actionability and open, flexible design.
RELATED TERMS
Persistent Identifier Handle System PURL N2T Resolver Metadata Digital Preservation URL Data Citation Data Discovery Platform
COMPETING TERMS
Digital Object Identifier Handle
RELATIONS
- Broader: Persistent Identifier
- Conforms to: URL
KNOWLEDGE AREAS
Metadata Management Document & Content Management Data Management Semantic & Knowledge Modeling
TARGET AUDIENCE
Data Steward Data Architect Information Analyst Data Management Consultant
EXTERNAL SOURCES
- Wikipedia - Archival Resource Key
- ARK Alliance - Overview and principles of ARKs
- California Digital Library - ARK primer and minting guidance
- N2T - Resolver and ARK specifics
TOP QUESTIONS
Why use ARK instead of only DOI?
ARKs provide flexible, transparent persistence with institutional commitments and can coexist with DOIs, offering complementary capabilities for archives and data repositories.
Category: Comparison
How does ARK ensure long-term resolution?
ARKs rely on durable institutional stewardship, resolvers like N2T, and persistence statements describing how objects are maintained.
Category: Management
What are common mistakes when minting ARKs?
Omitting persistence policies, inconsistent identifier formatting, and failing to maintain target URLs can erode trust.
Category: Mistakes
Where are ARKs widely adopted?
Libraries, archives, museums, and research repositories use ARKs to ensure durable access to digital assets.
Category: UseCase
Do ARKs support human-readable components?
Yes, they often include interpretable strings and support descriptive suffixes for metadata and policy access.
Category: Capability
How do ARKs relate to metadata management?
ARKs link objects to descriptive and administrative metadata, improving discoverability and citation.
Category: Concept
What is the biggest misunderstanding about ARKs?
Some think persistence is guaranteed by the scheme alone; in reality, institutional stewardship and policies are crucial.
Category: Misunderstanding
How can organizations start with ARKs?
Join ARK Alliance, use EZID or institutional minting, publish persistence statements, and configure resolution via N2T.
Category: Guidance
What risks exist if ARKs are unmanaged?
Links can rot, reducing trust and accessibility; governance and monitoring are essential to maintain persistence.
Category: Risk