Patent ID: 11880433
Assignee: COLLECTORY S.A R.L.
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 18:
19. A non-transitory computer-readable storage medium storing executable instructions that, when executed by one or more processors, causes the one or more processors to link authentication documents to a piece of artwork using blockchain, the instructions comprising instructions to:
maintain a blockchain with a plurality of computing devices;
obtain one or more documents comprising data corresponding to a piece of artwork;
generate a document hash for each of the one or more documents based on text contained in the respective documents;
generate a frequency hash based on a light wave frequency;
append a block instance to the blockchain by generating a block address based on the document hashes for the one or more documents, the frequency hash, and an identification of the piece of artwork; and
control a seal coating device to cause the seal coating device to apply a seal coating to the piece of artwork and a certificate containing the document hashes for the one or more documents, the seal coating configured to appear only when light having the light wave frequency of the frequency hash is directed at the seal coating.