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How can I give feedback on this document?

By inserting comments into XXX this comment-friendly version.

What are Shoulders?

Please see this introductory material on shoulders.

sending an email to the ARK mailing list, https://groups.google.com/forum/#!forum/arks-forum, or contacting us as described on the communications page.

What is a "shoulder"?

To understand this FAQ you should first understand this introduction to shoulders. Briefly, a shoulder is a sub-namespace under a NAAN. In particular, it is the set all ARKs starting with a short, fixed extension to the NAAN. For example, in

ark:/12345/x5wf6789/c2/s4.pdf

the shoulder, /x5, extends the NAAN, 12345.

Why is there no "/" to mark the end of a shoulder?

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Note that N2T.net is configured to forward any quick test ARK it receives (second version above) to the appropriate local resolver (first version).

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How do I request or make changes to a

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shoulder under a shared NAAN?

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As mentioned, to implement a shoulder under your own NAAN requires no special request. To implement or change a shoulder under a shared NAAN requires filling out an online shoulder form. For security purposes requests are processed manually. Example reasons for a change may include

  • notifying N2T of a change in your organization's contact person or resolver URL,
  • updating your organization's name assignment policy (sample policy),
  • requesting an additional shoulder, eg, to support a significant new body of ARKs or new organizational division, and
  • transitioning your shoulder to another organization that will carry on your work and future use of your shoulder.

Like NAANs, shoulders under shared NAANs are portable. If your organization transitions into or out of a vendor relationship, there is no impediment to taking your shoulder with you.