13results about How to "Realize immutable" patented technology

The present application relates to livestock traceability technical field, specifically for livestock meat slaughtering, cutting and packaging traceability method and system based on internet, the method comprises: collecting quarantine information of livestock individual, obtaining initial traceability data; according to initial traceability data, determine the slaughter batch code, and the initial traceability data source is bound with the slaughter batch code, and the slaughter credible data package is obtained; based on the slaughter batch code, the cutting operation process information of livestock individual is tracked and filed in real time, and the cutting link data chain is obtained; based on the cutting link data chain, the multi-dimensional quality of livestock individual is judged, and the comprehensive quality index is obtained; based on the comprehensive quality index, the intelligent matching planning of meat product is carried out, and the packaging batch planning is obtained; based on the packaging batch planning, the livestock individual is coded and identified, and the product traceability code is obtained; the present application can improve the efficiency of livestock meat slaughtering, cutting and packaging traceability based on internet.

The application discloses a transaction system from a farm to a sales terminal, relates to the technical field of agricultural product supply chain management and electronic commerce, and comprises a breeding end data acquisition unit which is configured to collect and upload breeding whole-process data including at least individual animal identity, growth environment parameters, feed input information, disease prevention records and weight monitoring data in the farm in real time. The application realizes that the whole-chain data is unforgeable from the breeding source to the sales terminal by uploading the breeding whole-process data collected by the Internet of Things to the block chain for trusted storage. The transaction efficiency is improved and the performance risk is reduced by automatically executing transaction matching, fund transfer and logistics triggering through the smart contract. The product transportation quality is ensured and the transparent traceability experience is provided for consumers by integrating cold chain monitoring data and terminal traceability query.

The invention discloses a natural person identity encryption real-name authentication method and system, and relates to the field of identity and data security. The method is based on a'natural person-encryption terminal-authentication server 'closed-loop encryption architecture, an identity identifier capable of directly recognizing a natural person is not collected, and the core comprises five steps of information collection, authentication initiation, identity authentication, dynamic identity password generation, closed-loop verification and result synchronization. The system adopts a three-level distributed architecture and is composed of an encryption terminal and an authentication server, and the encryption terminal and the authentication server cooperate to achieve secret key fragmentation management, encryption communication and auditing tracing. According to the method, the principle of minimum necessary collection is followed, the national secret algorithm, secret key fragment storage and block chain evidence storage technology are combined, identity authentication is unforgeable, uncounterfeitable and traceable, sensitive information leakage is eradicated from the source, compliance cost is reduced, the method is adaptive to multi-field and multi-terminal scenes, related laws and regulations are met, and high safety and practicability are achieved.

The application belongs to the technical field of digital agriculture, and particularly relates to a blockchain traceability data management platform for digital agriculture, wherein the system comprises an agricultural product supply chain informatization module, a trust value quantification module, a two-dimensional code generation module, a local two-dimensional anti-fraud verification module and a traceability query module. The scheme constructs a distributed blockchain ledger network suitable for the agricultural product supply chain, allocates unique on-chain identity and permission to each link participant, generates a basic two-dimensional code bearing core data through a two-dimensional code generation library, triggers a smart contract to calculate a trust value in real time and uploads the trust value to the chain during traceability query, calculates a local hash value by extracting an on-chain identity embedded in a two-dimensional code to be detected, and compares the local hash value with a preset authorization list to complete legality verification, realizes real-time two-dimensional anti-fraud verification of the two-dimensional code without network dependence, can accurately trace and immediately intercept a counterfeit behavior, and provides a full-process anti-counterfeiting and traceable trust guarantee for agricultural product traceability.

The invention discloses a fund seal full-process online management and control tool based on software and hardware integration, relates to the technical field of seal management and control, and aims to solve the technical problem that existing fund seal management and control lacks software and hardware integration full-process linkage and causes high-amount fund payment safety and compliance risks. The hardware terminal layer is in communication connection with the online management and control platform layer through an encrypted channel; the hardware terminal layer integrates a risk prediction processing module and a seal management and control execution module, and the online management and control platform layer deploys a risk data integration module and a linkage management and control engine; the risk data integration module collects multi-dimensional risk data and transmits the multi-dimensional risk data to the hardware terminal layer, the risk prediction processing module analyzes and predicts the data to obtain a potential risk level, and the linkage management and control engine generates a management and control instruction according to the risk level and issues the management and control instruction to the seal management and control execution module. The method has the advantages that software and hardware are integrated, whole-process linkage is achieved, and high-amount fund payment safety and compliance are guaranteed.

The invention relates to the technical field of artificial intelligence, and discloses an agent content traceability method and device, computer equipment and a storage medium, and the method comprises the steps: constructing a dynamic credible knowledge graph with a version evolution record and reference relationship commitment through the Hash of knowledge block content and the uplink of metadata; when an agent generates a conclusion, recording a knowledge block hash and reasoning step referenced by the agent, and generating a knowledge fingerprint representing a complete reasoning path; and constructing zero-knowledge reasoning proof based on the knowledge fingerprints, so that an auditor can verify the deduction process and credibility of a conclusion under the condition of not accessing original knowledge contents and reasoning internal states. The method can be applied to content traceability scenes of financial science and technology and medical health, and whole-course traceability, non-tampering and privacy protection of the intelligent agent content are realized.

The invention discloses a quantum encryption vehicle-mounted radar data security sharing network based on a block chain architecture, and belongs to the technical field of vehicle-mounted radar data security sharing. The system comprises a data acquisition module, a data preprocessing module, a quantum encryption module, a block chain storage module, an intelligent contract module, a data verification module, a privacy protection module, a network communication module, a consensus mechanism module and a data retrieval module. The quantum encryption module adopts a BB84 protocol to generate a 256-bit quantum key, an AES-256-GCM algorithm is used for encryption, and encrypted data is coded and stored by adopting base64; the block chain storage module adopts a workload proving mechanism and comprises Merkle root calculation and data hash verification; the intelligent contract module comprises a data sharing contract, an access control contract, a transaction settlement contract and a reputation evaluation contract, and the data is automatically registered to the data sharing contract after being stored; the data verification module adopts a comprehensive verification mechanism including hash verification, digital signature verification, timestamp verification and source verification; the privacy protection module adopts geographic desensitization, differential privacy and homomorphic encryption technologies; the consensus mechanism module adopts an improved practical Byzantine fault-tolerant algorithm and comprises three stages of proposal, preparation and submission. According to the invention, the problems of safety, integrity, trust, privacy and performance of vehicle-mounted radar data sharing in the prior art are solved, and a reliable data sharing infrastructure is provided for intelligent traffic and automatic driving.

The application provides a kind of base-level medical low-altitude logistics whole-process traceability management method and system, multi-source parameters of medical supplies, unmanned aerial vehicle, handover site and signing link are collected, after being aligned by Beidou time service high-precision timestamp, push to full-factor digital twin model to realize virtual-real mapping;Adopt alliance chain stage-by-stage chain mechanism to encrypt storage of whole-process data and unique traceability identifier, determine each link adaptive early warning threshold by combining medical material risk level and historical data;Real-time monitoring of whole-process parameters, calculate multi-parameter fusion abnormality, when abnormality exceeds limit or compliance anomaly occurs, trigger smart contract to automatically execute abnormal disposal and generate whole-process traceability report.This scheme realizes the whole-process credible traceability of base-level medical low-altitude logistics from warehouse to signing, real-time management and control and intelligent disposal, effectively guarantees the safety and timeliness of medical material transportation.

The application relates to the technical field of laboratory detection, and particularly discloses a kind of monitoring data automatic acquisition system and method, system includes laboratory control terminal and distributed server;Its characterized in that, laboratory control terminal includes: data entry module, for obtaining the unique code of current sample to be measured, the entry time stamp of sample and the identity information of user;Warehouse management module is used for obtaining the rest coordinate parameters of the end gripper of mechanical arm in the laboratory when last task ends;Also used for determining operation parameters according to the rest coordinate parameters when last task ends, the unique code of current sample to be measured, the entry time stamp of sample to be measured and the identity information of user four groups of data, through built-in site generation algorithm, operation parameters are operated, and mapped to the warehouse placement position of laboratory warehouse sample placement platform.Enter the warehouse placement position calculated from the above four groups of data, upload to the block chain network of distributed server and store evidence.The technical scheme of the application can monitor the detection process of the sample to be measured in the laboratory stage, and prevent tampering.

The invention discloses a satellite data right confirmation and data tracing method and related equipment, and relates to the technical field of satellite remote sensing, and the method comprises the steps: generating a multi-dimensional ownership label of satellite data, embedding the multi-dimensional ownership label into the satellite data, and carrying out the operation of the satellite data embedded with the multi-dimensional ownership label, generating a traceability record, storing lightweight traceability information in the traceability record to an alliance chain, and storing detailed traceability information in the traceability record to a private chain; updating ownership layer information in the multi-dimensional ownership label based on the traceability record; and in response to the traceability query request, generating and outputting a full-process traceability map of the satellite data by querying the lightweight traceability information stored in the alliance chain and the detail traceability information stored in the private chain, thereby overcoming the defects of inaccurate right confirmation, delayed traceability, high security risk, poor collaboration and the like in the prior art. And reliable support is provided for satellite data marketization circulation and safety management.

The application relates to the technical field of file storage, and discloses an administrative file tamper-proof storage method and system. The method comprises the following steps: associating and coupling content features and structure description information to obtain a digital fingerprint; binding a unique identifier to the digital fingerprint to obtain a feature binding record; block-encoding metadata and the feature binding record to obtain a data block, and storing the data block in a chain based on a blockchain consensus mechanism to obtain a storage chain record; when a target file is accessed, performing multilevel verification on an instant feature digest and the storage chain record to obtain a state verification result; when the state verification result is passed, archiving an access log in the storage chain record; when the state verification result is not passed, locking an access right to obtain a right locking record, and auditing and tracking the right locking record to generate an audit report of the target file; and the application can improve the security of administrative file storage.

The application discloses a traceable method for task replication and resource allocation in a large-scale machine type communication network, belongs to the technical field of wireless communication and mobile edge computing, and comprises the following steps: based on Lyapunov optimization theory, physical and virtual queue quantitative constraints are established, and long-term optimization is converted into a per-time-slot "drift plus penalty" minimization problem; then, the problem is decomposed into a task replication sub-problem, a resource block allocation sub-problem and an edge server queue management sub-problem, and the sub-problems are solved in sequence; an optimal task replication scheme is determined and saved as a first decision credential; a resource block allocation scheme is determined and saved as a second decision credential; an optimal edge server queue management scheme, including an edge server task processing rate and a task discard amount, is determined and saved as a third decision credential; and a queue state is updated, the decision credentials and the queue state are encapsulated as a periodic transaction and written into a blockchain to form an operation audit log; and the application realizes optimal balance of long-term operation cost and makes the decision process traceable.

The application discloses an inter-provincial spot transaction carbon footprint tracking method, system and device based on a blockchain, and belongs to the technical field of electric power. The carbon footprint tracking method comprises the following steps: collecting inter-provincial electric power spot market cross-provincial electric power transaction results through a blockchain, and storing the results in the proxy accounts of each power generation province and power purchase province in a blockchain business; combining the inter-provincial electric power spot market clearing results, modeling carbon emission allocation of inter-provincial electric power spot transactions, and obtaining a carbon emission allocation coefficient; according to the proxy account information of each power generation province and power purchase province, the inter-provincial electric power spot market clearing results and the carbon emission allocation coefficient, evaluating the whole process of carbon production, carbon transfer and carbon allocation through a smart contract, and recording the whole process in the blockchain; and according to the results recorded by the smart contract, forming unalterable carbon footprint information in the blockchain through a chain structure.