The term hard-shell clam is identified in base64 scheme by the sequence aGFyZC1zaGVsbCBjbGFt, while the MD5 signature is equal to b7db83f48fbb523e8eaeb2f047bac51c. The ASCII encoding of hard-shell clam in hexadecimal notation is 686172642d7368656c6c20636c616d.