The term unauthorized absence is identified in base64 scheme by the sequence dW5hdXRob3JpemVkIGFic2VuY2U=, while the MD5 signature is equal to 561d70d56c09d8e2417db4a6e42f0ac4. The ASCII encoding of unauthorized absence in hexadecimal notation is 756e617574686f72697a656420616273656e6365.