The term underwater archaeology is identified in base64 scheme by the sequence dW5kZXJ3YXRlciBhcmNoYWVvbG9neQ==, while the MD5 signature is equal to 391d71cd51e41e89f78f110ca6cf28b0. The ASCII encoding of underwater archaeology in hexadecimal notation is 756e6465727761746572206172636861656f6c6f6779.