US Copyright Office
| Registry Information | |
|---|---|
| URL: | http://www.copyright.gov/ |
| CC-only portal: | (none) |
| Formats | Sound, MovingImage, Image, Text, InteractiveResource |
| Cost of Registration: | US$45 |
| Integrated support for Creative Commons? | No |
| Online Registration? | No |
| Serial Numbers? | Yes |
| Online Document Storage? | Yes |
| SHA-1 Hashing? | No |
| Online Verification? | No |
| Supports All Rights Reserved? | Yes |
| Printed Certificates? | Yes |
| Orphan Works Protection? | No |
| Permalink Support? | No |
| Metrics Tracking Support? | No |
| Proof of Identity support? | No |
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