The term stephen arnold douglas is identified in base64 scheme by the sequence c3RlcGhlbiBhcm5vbGQgZG91Z2xhcw==, while the MD5 signature is equal to 7403f4a6adae6349f6b280a8fc1222f6. The ASCII encoding of stephen arnold douglas in hexadecimal notation is 7374657068656e2061726e6f6c6420646f75676c6173.