The term spearhead-shaped is identified in base64 scheme by the sequence c3BlYXJoZWFkLXNoYXBlZA==, while the MD5 signature is equal to c5e61a3beab4d6c444b6f94cefe555b2. The ASCII encoding of spearhead-shaped in hexadecimal notation is 7370656172686561642d736861706564.