The term through empirical observation is identified in base64 scheme by the sequence dGhyb3VnaCBlbXBpcmljYWwgb2JzZXJ2YXRpb24=, while the MD5 signature is equal to 53c9cc51e2c0f937a945aec539fd1ab4. The ASCII encoding of through empirical observation in hexadecimal notation is 7468726f75676820656d7069726963616c206f62736572766174696f6e.