The term poikilothermous is identified in base64 scheme by the sequence cG9pa2lsb3RoZXJtb3Vz, while the MD5 signature is equal to ff983f1e74052c5a0f41b316b5b721fa. The ASCII encoding of poikilothermous in hexadecimal notation is 706f696b696c6f746865726d6f7573.