Charge (Adam C)

Problem statement

• Digital collection identifiers (Rick)
  A long standing issue in the presentation of our digital collections is the lack of a long term identifier
  for the collections themselves. Collections move to new machines, collections change their delivery platform,
  and collections change their default behaviors. We need to be able to locate collections reliably over a long period of time and discover aspects of collections for interoperating with other collections.

• Persistent IDs for digital preservation (Bill)

Requirements for an implementation (John)

• We don't want to break any system currently used at CUL that uses persistent identifieres, such as the PURL server.  Backward compatible.
• Provide a mechanism for persistent ID's for OAI-PMH
• Optionally resolvable only within a constrained environment. Secured nameservice. For archiving.  The individual
• Can ensure confidentiallity.System should define a mechanism for client authentication/authorization to ensure data integrity and  authority control.
• It doesn't have dependencies on external systems in order to resolve local PIDs.
• Every PID should be globally unique.
• PID should be free of location semantics.
• PID must be able to refer to multiple aspects, attributes, or behaviors of the digital object, but with a default aspect that conforms with convential use.
• Globally resolvable.
• Fine-grained control of PIDs, so that groups can maintain their own sets, without having to maintain multiple PID resolvers/servers.

Methodology  (Adam S)

• Overview of PID

• PURL
• ARK
• Handle
• OpenURL
• OAI-PMH requirements

   
Recommendations
          (embed the rationale for each recommendation)

• CNRI Handle System  (George)

• Proof-of-concept implementation. (Bill)

• Resource Requirements -- we don't know what the requirements are (development? a standalone machine? server space? maintenance?)  (John)

• Evaluate the system and its use some time in the future. (Rick)

• A deliverable: A Usage Document that explains how the system can be integrated into CUL collection building  (Adam C)

• An explicit statement of the estimated lifespan of the PID and the object it represents. (Bill)