US 12,253,981 B2
Distributed ledger systems and methods for importing, accessing, verifying, and comparing documents
Justin Lischak Earley, Rancho Mission Viejo, CA (US); David H. Blackman, Corona, CA (US); and David Alexander Brown, Yorba Linda, CA (US)
Assigned to FIRST AMERICAN FINANCIAL CORPORATION, Santa Ana, CA (US)
Filed by FIRST AMERICAN FINANCIAL CORPORATION, Santa Ana, CA (US)
Filed on Jan. 26, 2023, as Appl. No. 18/101,897.
Application 18/101,897 is a continuation of application No. 16/864,581, filed on May 1, 2020, granted, now 11,567,904.
Claims priority of provisional application 62/843,257, filed on May 3, 2019.
Prior Publication US 2023/0177021 A1, Jun. 8, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G06F 16/27 (2019.01); G06F 16/182 (2019.01); H04L 9/06 (2006.01)
CPC G06F 16/1837 (2019.01) [H04L 9/0637 (2013.01); H04L 9/0643 (2013.01)] 22 Claims
OG exemplary drawing
 
1. One or more non-transitory computer-readable storage media storing instructions that, when executed by one or more processors, cause a system associated with a title insurance organization to perform operations comprising:
obtaining a title insurance policy issued by the title insurance organization and providing title insurance coverage;
uploading the title insurance policy issued by the title insurance organization for storage in an off-chain system accessible by a plurality of entities having access to a distributed ledger of a distributed ledger network, the plurality of entities comprising the title insurance organization;
hashing at least one field contained in the title insurance policy to generate a first hash representing a unique reference to the title insurance policy;
generating a message comprising the first hash and one or more fields contained in the title insurance policy;
digitally signing, using a private key associated with the title insurance organization, the message to endorse the first hash and the one or more fields contained in the title insurance policy issued by the title insurance organization; and
after digitally signing the message, transmitting the message to the distributed ledger network to store the first hash and the one or more fields in the distributed ledger.