Blockchain Permanent Document Envelope Verification
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Solution Overview
Problem
Current methods for verifying and securely storing documents are inadequate, as they rely on unreliable and easily forgeable signatures, lack an independent and immutable record of the signing event, and fail to ensure the authenticity and provenance of documents, particularly in digital environments.
Innovation Solution
A system utilizing a blockchain ledger to create a Permanent Document Envelope (PDE) that securely records the execution details of a document, including the identity of the signer and the time of execution, within a persistent external system, ensuring the document's authenticity and immutability through a proprietary hash algorithm and cloud-based storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional signature methods (handwritten or electronic) are used to verify document authenticity, then the process is simple and widely accepted, but the signatures can be easily forged or faked, compromising reliability
Solution Approach 1:
The patent introduces blockchain technology as an intermediary between the document and its verification. Instead of directly verifying signatures through traditional methods, the system uses blockchain to create an immutable record of document execution events, including cryptographic hashes of documents, signer identities, and timestamps. This intermediary layer prevents forgery while maintaining verification simplicity through blockchain's distributed consensus mechanism.
Solution Approach 2:
The patent replaces mechanical signature verification methods (handwriting analysis, physical seals) with cryptographic mechanisms. Digital signatures based on public key cryptography are used instead of physical signatures, and these are further secured by anchoring them to blockchain records. This substitution eliminates the vulnerability to forgery inherent in mechanical systems while maintaining ease of digital operation.
2Reliability
If proprietary closed systems are used to ensure document authentication, then security and control are improved, but the system complexity increases and independence from specific platforms is lost
Solution Approach 1:
The patent creates a universal document verification system based on blockchain that can authenticate documents from any source or platform. The blockchain ledger serves multiple functions: storing document hashes, recording signer identities, timestamping execution events, and providing verification capabilities. This multi-functional approach eliminates the need for separate proprietary systems while maintaining high security through cryptographic methods.
Solution Approach 2:
The blockchain acts as a neutral intermediary that is independent of any specific platform or organization. Rather than relying on a proprietary closed system controlled by a single entity, the distributed blockchain network provides decentralized verification. This reduces system complexity by eliminating the need for complex proprietary authentication infrastructures while maintaining or enhancing security through cryptographic principles.
3Ease of operation
If traditional document storage methods are used, then storage is simple and accessible, but there is no immutable record of the signing event, compromising document provenance
Solution Approach 1:
The patent extracts the essential verification elements from the complete document and stores only the necessary cryptographic hashes and metadata on the blockchain. Instead of storing entire documents (which would be complex and raise privacy concerns), the system extracts and stores only the critical provenance information: document hash, signer identity, timestamp, and transaction ID. This extraction approach maintains storage simplicity while establishing immutable provenance.
Solution Approach 2:
The system performs preliminary cryptographic hashing of the document before storage or transmission. By creating a cryptographic fingerprint of the document upfront and anchoring this hash to the blockchain at the time of execution, the system establishes an immutable record of the document's existence and content. This preliminary action ensures provenance without requiring complex ongoing verification mechanisms.
Data Source
AI summary
A method for generating a secure, self-authenticating digital document capable of independent and portable authentication of contents, signatures and key meta data associated with key execution events allows a document author to validate new content or accept as correct existing content within any form of media. The method removes dependency upon the contents of a document and any associated signature to demonstrate provenance. The document includes a portable, persistent, and immutable record that becomes self-validating so long as the document can access cloud based resources. The method uses blockchain technology to enable a permanent ledger to verify, serialize and securely store information relating to the execution of those documents in a manner that supports the immutability, persistence and integrity. The portable document determines its own stateless provenance and authenticity by communication with the cloud based elements of the invention.