WEID OID notation

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current specification version 1.3.6.1.4.1.37553.8.1.8.1.6.1.9 (8 March 2022)

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WEID Specification

An Object Identifier (OID) is an extensively used identification mechanism jointly developed by ITU-T and ISO/IEC for naming any type of object, concept, or "thing" with a globally unambiguous name. (More information about OIDs can be found at www.oid-info.com )

There are three well-known notations for OIDs:

WEID is another notation for OIDs, developed by Till Wehowski and Daniel Marschall:

In the initial version of the WEID specification of 2011, only OIDs below the WEID root arc 1.3.6.1.4.1.37553.8 could be used. In a later definition by Daniel Marschall, any existing OID can be written in WEID notation, by switching defining sub-namespaces.

The registry of sub-namespaces (URN prefixes) has currently following entries:

To get an OID in accordance with Recommendation ITU-T X.600 assigned, you need to find a Registration Authority that assigns you an OID. You can obtain an OID as WEID and manage your own arc, e.g. by:

The construction of a WEID is demonstrated with the example OID 2.999:

Recommendations for WEID notation (as of Spec Change 8):

Recommendations for WEID notation (as of Spec Change 9):

Additional notes:

© WEID is developed by Daniel Marschall / ViaThinkSoft and Till Wehowski.


© WEID is developed by Daniel Marschall / ViaThinkSoft and Till Wehowski.


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