The term mariner's compass is identified in base64 scheme by the sequence bWFyaW5lcidzIGNvbXBhc3M=, while the MD5 signature is equal to ab8216c80ac303c6f39828cdde65079c. The ASCII encoding of mariner's compass in hexadecimal notation is 6d6172696e6572277320636f6d70617373.