The term imperfectibility is identified in base64 scheme by the sequence aW1wZXJmZWN0aWJpbGl0eQ==, while the MD5 signature is equal to 8f9f553002a45d65f7b5538baeb32c18. The ASCII encoding of imperfectibility in hexadecimal notation is 696d706572666563746962696c697479.