The term rank-difference correlation is identified in base64 scheme by the sequence cmFuay1kaWZmZXJlbmNlIGNvcnJlbGF0aW9u, while the MD5 signature is equal to f036fbc38559dcefbe2f76d5c832f886. The ASCII encoding of rank-difference correlation in hexadecimal notation is 72616e6b2d646966666572656e636520636f7272656c6174696f6e.