The term date of reference is identified in base64 scheme by the sequence ZGF0ZSBvZiByZWZlcmVuY2U=, while the MD5 signature is equal to 44e9a02fa7e48647ac4bcc2bc0ce8544. The ASCII encoding of date of reference in hexadecimal notation is 64617465206f66207265666572656e6365.