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Document tracking on a distributed ledger

  • US 10,163,080 B2
  • Filed: 08/12/2016
  • Issued: 12/25/2018
  • Est. Priority Date: 08/13/2015
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a communications unit;

    a storage device; and

    a processor coupled to the storage device, the storage device storing software instructions for controlling the processor that when executed by the processor configure the processor to;

    receive, via the communications unit, a first signal comprising document data representing an original document;

    access rules data maintained within one or more ledger blocks of a distributed ledger, the rules data being established by a centralized authority associated with the distributed ledger;

    based on the accessed rules data, modify a portion of the document data to incorporate a document identifier;

    generate a first hash value of the modified document data in accordance with the accessed rules data; and

    generate and transmit, via the communications unit, a second signal that includes the first hash value to one or more computing systems, the second signal comprising information that instructs the one or more computing systems to perform operations that incorporate the first hash value within an additional ledger block of the distributed ledger,wherein the first hash value is generated by a hash function including at least one of a public key and a private key, and the accessed rules data specifies the hash function.

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