: 664dfc275101e1149381edd9fe99de5df9770cafhttps://iisg.amsterdam/ Create a prefix for https://iisg.amsterdam/ Hit Enter to save Double click to create a prefix | example:sha1_hash | 664dfc275101e1149381edd9fe99de5df9770caf | urn:uuid:2db71b20-6199-4e18-826e-083c1c687636 |