Circular Feature Authentication with Surface Anomalies
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Solution Overview
Problem
The counterfeiting of products, credentials, and financial instruments poses significant risks due to undetected counterfeit articles being accepted as authentic, leading to health, economic, and national security concerns, with existing technologies being vulnerable to replication and counterfeiting.
Innovation Solution
The method involves engraving a circular feature with concentric rings and surface anomalies onto a verification substrate, which is attached to an article, and using image capture and comparison to authenticate the article, employing data encoding schemas like Code 39 and QR codes, and utilizing a system with cameras and databases for authentication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional identification methods are used, then manufacturing and distribution processes are simple, but the articles are vulnerable to counterfeiting and replication
Solution Approach 1:
The identification system is segmented into multiple independent components: a first feature (such as a data matrix or barcode) containing encoded information, and a second feature (such as a physical mark, texture, or optical element) that is visually distinct and harder to replicate. This segmentation allows the system to maintain high security while keeping individual components relatively simple to implement.
Solution Approach 2:
The identification system combines different types of features (digital/encoded features and physical/visual features) into a composite identification structure. This composite approach integrates multiple authentication mechanisms into a single system, enhancing security without requiring entirely new complex infrastructure.
2Reliability
If simple identification markers are used, then the system is easy to implement, but counterfeiters can easily capture and replicate the unique identification
Solution Approach 1:
By dividing the identification system into two distinct features with different manufacturing requirements, the system achieves high counterfeit resistance. The first feature can be manufactured using standard encoding techniques, while the second feature incorporates harder-to-replicate physical characteristics, balancing security with manufacturability.
Solution Approach 2:
Different regions or aspects of the identification system have different qualities: the first feature provides machine-readable encoded data with specific precision requirements, while the second feature provides human-visible physical characteristics with different manufacturing tolerances. This local differentiation allows each feature to be optimized for its specific function while maintaining overall system security.
3Reliability
If advanced encoding schemas are used, then data security is improved, but the complexity of capturing and verifying the data increases
Solution Approach 1:
The verification system is segmented into distinct functional modules: image capture devices, encoding schema interpreters, and authentication logic. This modular approach allows advanced encoding schemas to be implemented without requiring the entire system to become proportionally more complex, as each module can be independently optimized and maintained.
Data Source
AI summary
A method for authenticating an article including engraving a circular feature into a verification substrate that includes a plurality of concentric rings within the circular feature arranged in a pattern according to a data encoding schema, wherein at least one of the plurality of rings includes a surface anomaly. The method can include capturing a first image of the circular feature and storing the first image in a memory device. The verification substrate can be attached to an article to traced and/or authenticated. A second image of the circular feature can be captured and compared with the first image to determine if the surface anomaly is present in the second image, thereby authenticating the article.