The term orthochromatic film is identified in base64 scheme by the sequence b3J0aG9jaHJvbWF0aWMgZmlsbQ==, while the MD5 signature is equal to ad1b6e0eb986499a2d612ab2d84def8c. The ASCII encoding of orthochromatic film in hexadecimal notation is 6f7274686f6368726f6d617469632066696c6d.