Blockchain Logistics for Additive Manufacturing in Space
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Solution Overview
Problem
In outer space, there is a high risk of harm due to the harsh environment, and manufacturing processes must ensure data, process, and performance integrity for 3D printed parts, which requires a system that verifies the quality, integrity of the supply chain, digital data delivery, and the printed item's integrity.
Innovation Solution
A method utilizing a distributed transaction register, such as a blockchain, to record and verify transactions throughout the lifecycle of additive manufactured products, including customer requirements, manufacturing parameters, and inspection processes, ensuring authenticity and integrity through unique codes embedded in the products.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a distributed transaction register (blockchain) is implemented to verify and authenticate additive manufactured products throughout their lifecycle, then product authenticity and supply chain integrity are improved, but system complexity and data management requirements increase
Solution Approach 1:
The system segments the product lifecycle into distinct phases (design, manufacturing, inspection, delivery, maintenance) with separate transactions recorded for each phase. This modular approach allows verification of individual stages while maintaining overall product authenticity, reducing the complexity of verifying the entire lifecycle at once.
Solution Approach 2:
The distributed transaction register acts as an intermediary layer between manufacturers, customers, and verification systems. This mediator records and verifies transactions without requiring direct trust between parties, simplifying the authentication process while maintaining high reliability through cryptographic verification.
2Manufacturing precision
If comprehensive transactions are recorded for each manufacturing parameter and process step, then manufacturing integrity is improved, but data storage and processing requirements increase
Solution Approach 1:
The system extracts only the essential manufacturing parameters and transaction data needed for verification into the blockchain ledger, while storing detailed process data locally or in separate databases. This selective extraction maintains manufacturing integrity through verification of critical parameters without requiring storage of all raw process data on the distributed ledger.
Solution Approach 2:
The system creates cryptographic hashes and digital fingerprints of manufacturing data that are stored on the blockchain, rather than storing the complete raw datasets. These digital copies serve as verifiable representations of the original manufacturing records, maintaining integrity while dramatically reducing data storage requirements on the distributed ledger.
3Reliability
If multiple verification points are implemented throughout the product lifecycle, then authentication reliability is improved, but process time and operational complexity increase
Solution Approach 1:
The system performs preliminary recording of manufacturing transactions and generation of authentication codes during the manufacturing process itself, rather than conducting verification activities after production is complete. This preliminary action ensures data is ready for verification without adding post-manufacturing time delays.
Solution Approach 2:
The distributed transaction register provides immediate feedback on transaction validity and product authenticity at each verification point. This real-time feedback mechanism allows verification to be integrated into the operational flow without requiring separate, time-consuming validation steps, as the blockchain network automatically confirms transaction integrity.
Data Source
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AI summary
A method for verifying and authenticating additive manufactured products utilizing extraterrestrial communication including generating a product geometry file, recording to a distributed transaction register stored on a server network having a plurality of node servers a first transaction reflecting the product geometry file, the first transaction having a first output associated with the first transaction and including a blockchain address, transmitting the first output between a terrestrial transceiver that is communicatively connected to the server network and an extraterrestrial transceiver that is communicatively connected to the terrestrial transceiver, and printing, with a 3D additive printer, a product that utilizes the product geometry file.