The term shel silverstein is identified in base64 scheme by the sequence c2hlbCBzaWx2ZXJzdGVpbg==, while the MD5 signature is equal to 4d82f8b1a868899e1ce137d40cce1763. The ASCII encoding of shel silverstein in hexadecimal notation is 7368656c2073696c766572737465696e.