The term open-face sandwich is identified in base64 scheme by the sequence b3Blbi1mYWNlIHNhbmR3aWNo, while the MD5 signature is equal to 90546f2876b522df51740d929902618a. The ASCII encoding of open-face sandwich in hexadecimal notation is 6f70656e2d666163652073616e6477696368.