The term napierian logarithm is identified in base64 scheme by the sequence bmFwaWVyaWFuIGxvZ2FyaXRobQ==, while the MD5 signature is equal to ee7637d3005dc5b17b3690d8c18f76a3. The ASCII encoding of napierian logarithm in hexadecimal notation is 6e617069657269616e206c6f6761726974686d.