Shoulder Request Form
Use this form to request a "shoulder" (a sub-namespace) so that you can create ARK (Archival Resource Key) identifiers under one of the Name Assigning Authority Numbers (NAANs) that is shared across organizations: 12345, 99152, 99166, 99999. These are listed at
Normally one requests a NAAN in order to reserve an ARK namespace for your memory organization, but reserving a shoulder is a alternative if you want to take advantage of the special meaning conveyed (eg, test ARKs, or ARKs for people or for concepts). This is explained at ARKs FAQ:
When your request is verified, a unique extension to a NAAN will be registered exclusively for the organization. If you have questions about this form, please use the discussion group at
I would like
To request a new shoulder
To update an existing shoulder
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