Content Registries

Creative Commons works can be registered with third-party entities for copyright timestamp authenticity and non-repudiation measures for proof of copyright. Registrars of Creative Commons works include: Numly, Registered Commons and more in the future.

This page is to specify best practices for registrars to use in adopting Creative Commons content for their registries.

Content Registries

<ask format="broadtable" mainlabel="Name">

 Cost
 Length of Registration
 Types of Works
 Online Registration
 Serial Numbers
 Document Storage
 SHA-1 Hashing
 Online Verification  

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