flickr.com/photos/robinelaine/13691757/ operator: Flickr URL: https://live.staticflickr.com/10/13691757_bce006c0ee_o.jpg determination method: SHA-1...
Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint...
