The term single-entry bookkeeping is identified in base64 scheme by the sequence c2luZ2xlLWVudHJ5IGJvb2trZWVwaW5n, while the MD5 signature is equal to a1364dc768eb2945f2e9f8c030a9ac33. The ASCII encoding of single-entry bookkeeping in hexadecimal notation is 73696e676c652d656e74727920626f6f6b6b656570696e67.