The term cartesian coordinate is identified in base64 scheme by the sequence Y2FydGVzaWFuIGNvb3JkaW5hdGU=, while the MD5 signature is equal to b756f16c6dee90e5d7bb3fbdd636eed0. The ASCII encoding of cartesian coordinate in hexadecimal notation is 63617274657369616e20636f6f7264696e617465.