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

Claim 12:
13. A system for encoding a machine-readable document, comprising:
a computing device comprising a memory storing a database and a processor;
wherein the processor is configured to:
for each of one or more entries to be encoded on the machine-readable document:
receive an identification of an entry,
identify, from the identification of the entry, an entry format,
generate an entry fingerprint,
calculate a hash value from a hash of at least the identification of the entry, the entry format, and the entry fingerprint,
store, in the database at an address corresponding to the hash value, the identification of the entry, the entry format, and the entry fingerprint,
generate an optical code from the hash value, and
print, on the machine-readable document, the entry and the optical code.