The term common arrowhead is identified in base64 scheme by the sequence Y29tbW9uIGFycm93aGVhZA==, while the MD5 signature is equal to c3f85f49f50409e59c9a831ae8bbe6f6. The ASCII encoding of common arrowhead in hexadecimal notation is 636f6d6d6f6e206172726f7768656164.