The term lighter-than-air is identified in base64 scheme by the sequence bGlnaHRlci10aGFuLWFpcg==, while the MD5 signature is equal to f262dc07b1b507a18d07dfee2d31a30c. The ASCII encoding of lighter-than-air in hexadecimal notation is 6c6967687465722d7468616e2d616972.