The term thirty-something is identified in base64 scheme by the sequence dGhpcnR5LXNvbWV0aGluZw==, while the MD5 signature is equal to 4128247d7b7569aff59b8d3ee24d752d. The ASCII encoding of thirty-something in hexadecimal notation is 7468697274792d736f6d657468696e67.