The term temperature change is identified in base64 scheme by the sequence dGVtcGVyYXR1cmUgY2hhbmdl, while the MD5 signature is equal to 71f35f30f09f5a2be5bb40aab0cf7175. The ASCII encoding of temperature change in hexadecimal notation is 74656d7065726174757265206368616e6765.