Patent ID: 11907648
Assignee: PENCIL LEARNING TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A method for encoding a machine-readable document, comprising:
for each of one or more entries to be encoded on the machine-readable document:
receiving, by a computing device, an identification of an entry,
identifying, by the computing device from the identification of the entry, an entry format,
generating, by the computing device, an entry fingerprint,
calculating, by the computing device, a hash value from a hash of at least the identification of the entry, the entry format, and the entry fingerprint,
storing, by the computing device in a database at an address corresponding to the hash value, the identification of the entry, the entry format, and the entry fingerprint,
generating, by the computing device, an optical code from the hash value, and
printing, by the computing device on the machine-readable document, the entry and the optical code.