The term doctor of philosophy is identified in base64 scheme by the sequence ZG9jdG9yIG9mIHBoaWxvc29waHk=, while the MD5 signature is equal to 1b0e9898dfaca11cbe9d55a8e5962c1b. The ASCII encoding of doctor of philosophy in hexadecimal notation is 646f63746f72206f66207068696c6f736f706879.