The term differential threshold is identified in base64 scheme by the sequence ZGlmZmVyZW50aWFsIHRocmVzaG9sZA==, while the MD5 signature is equal to 5a2ba29424367e26c1f0109526847073. The ASCII encoding of differential threshold in hexadecimal notation is 646966666572656e7469616c207468726573686f6c64.