The term copper-bottomed is identified in base64 scheme by the sequence Y29wcGVyLWJvdHRvbWVk, while the MD5 signature is equal to 76e5d29a5bf51fb258507c91e6c7d5fa. The ASCII encoding of copper-bottomed in hexadecimal notation is 636f707065722d626f74746f6d6564.