The term proprietorship certificate is identified in base64 scheme by the sequence cHJvcHJpZXRvcnNoaXAgY2VydGlmaWNhdGU=, while the MD5 signature is equal to 9b0f7ee2edc88130b0749294325e16e2. The ASCII encoding of proprietorship certificate in hexadecimal notation is 70726f70726965746f7273686970206365727469666963617465.