NSDL Documentation Wiki

Announcement: The operation of NSDL has been transferred to ISKME's OER Commons (effective December, 2014) - Read the news release.

This documentation describes the policies, procedures, and services that existed while NSDL was operated by UCAR.

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  • Global Handle System
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All resources in NSDL are assigned a unique, global, persistent identifier registered through the Handle System. The Handle System provides a means for resolving NSDL identifiers to their resident URL at NSDL using a DOI resolution service such as http://dx.doi.org/2200/20120201095822279T.

NSDL identifiers have a handle prefix of 2200, for example 2200/20120201095822279T.

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