263 results about "Product traceability" patented technology

The invention discloses a rural industry agricultural product full-process traceability method based on a block chain. The method comprises the following steps: collecting agricultural product full-life-cycle process data and environmental parameter data through Internet of Things sensing equipment; preprocessing the agricultural product traceability data by using a space-time agricultural data compression technology; storing the compressed key traceability data in a block chain network, and storing high-capacity original data through a content addressing interstellar file system; maintaining the consistency of the block chain network based on an adaptive agricultural season consensus algorithm; automatically executing data verification and business logic processing through the smart contract; the authenticity of agricultural product traceability information is verified based on a zero-knowledge proving technology, and meanwhile peasant household sensitive data are protected.

The invention discloses a quality detection method for a safety valve spring, and relates to the technical field of spring quality detection, and the method comprises the steps: constructing an appearance detection module, and carrying out the surface defect detection and size verification of a target safety valve spring; performing performance test and performance grade evaluation on the target safety valve spring through a performance detection module; and combining a surface defect detection result, a size verification result and a performance evaluation result to carry out spring quality comprehensive evaluation, and extracting a defective finished product production number according to a quality judgment result to carry out correlation analysis and defective product traceability. The technical problem that an existing safety valve spring quality detection method is low in accuracy and reliability due to the complexity of an application environment and the diversity of performance requirements in the prior art is solved, and the purpose of detecting the quality of the safety valve spring through all-dimensional and multi-angle appearance quality detection and performance attribute detection is achieved. And the accuracy and reliability of quality detection of the safety valve spring are improved.

The invention relates to the technical field of product traceability, in particular to a traceability system and method based on a block chain technology, and the system comprises a right confirmation registration module, a parameter verification module, a quality inspection label module, a logistics locking module and a traceability auditing module. According to the method, compliance evaluation is carried out by comparing environmental parameters bound with the operation time period and the land parcel information with an agricultural standard boundary, systematic judgment of land parcel growth conditions can be realized, confidence modeling is carried out on a quality inspection data layer based on a difference value amplitude and a batch mean value, credible label data of batch quality is formed, and the reliability of the quality inspection data layer is improved. Through sequence comparison of storage time periods and carrying timestamps and environmental parameter change frequency deviation judgment, abnormal carrying behaviors and storage fluctuation conditions can be identified, a traceability identification value and quality traceability code bidirectional verification mechanism is introduced in a query response stage, and credible labels, quality inspection states and position information are displayed in an aggregated manner. And the completeness, the accuracy and the result credibility of the traceability query result are obviously improved.

The invention provides a supply chain product traceability system, method and device based on a block chain, and a medium, and belongs to the technical field of block chains. The system comprises a data acquisition module which is arranged in a plurality of information terminals in a supply chain and is used for collecting product information, carrying out preliminary format conversion and encryption processing, and sending the product information to a block chain network; the block chain network is used for realizing data consistency through a consensus algorithm and storing product information by adopting a distributed account book technology; the data query module is used for providing a product traceability information query service by initiating a query request to a block chain network, and obtaining product supply chain information according to the authority of a query terminal; and the intelligent contract module is deployed on the block chain network and is used for automatically executing the business rules in the supply chain according to predefined intelligent contract code logic. According to the invention, real and reliable recording and efficient query of the full life cycle information of the product are realized by using the block chain technology, and accurate product traceability information is provided for consumers.

The system develops a set of complete traceability management system based on the block chain technology according to the quality safety and traceability management requirements in the production, processing and circulation processes of traditional Chinese medicinal materials, guarantees the traceability of the whole process from planting to consumption, improves the transparency of a supply chain, guarantees the rights and interests of consumers, and provides precise data support for supervision departments. The system adopts a front and back end separation architecture, a back end is developed based on SpringBoot and interacts with a Fabric block chain network, tamper-proof and verifiable storage of traceability data is realized, and data storage, quality examination and authority management are automatically executed through an intelligent contract; the front end is developed based on a Vue.js framework, smooth user experience is provided, and consumers can inquire complete traceability information of the traditional Chinese medicinal materials by scanning codes. System functions cover full life cycle traceability, block chain evidence storage, intelligent contract management, authority hierarchical control and data visualization, a supervision mechanism is supported to utilize big data analysis to accurately supervise quality problems, and market supervision efficiency is improved. The system guarantees the data security and transparency through the block chain, optimizes the supply chain management, improves the brand value, and assists the digital and standardized development of the traditional Chinese medicinal material industry.

The invention discloses a product full-life-cycle traceability after-sales service system based on multi-source heterogeneous data, and relates to the technical field of product traceability after-sales management. Manufacturing resumes, work orders, spare part warehouse-in and warehouse-out and equipment logs are accessed, mapping of product instances, parts and software primary keys is established, and the product traceability after-sales service system is established. And normalizing the configuration change event into a configuration change event containing double time axes of effective time and warehousing time, and writing the configuration change event carrying differential operation, an evidence packet and an idempotent event identifier into an immutable event library. And constructing a conflict set for the same configuration target, executing uniqueness, causality and compatibility constraint verification, determining an effective event based on evidence packet arbitration, and outputting an arbitration record and confidence. And deriving a configuration version chain according to the effective event and generating a snapshot, performing incremental playback on the late or error correction event and generating an influence propagation list. And when any time point configuration is queried, playback restoration is performed, an evidence chain and confidence are output, an active verification backflow error correction event is triggered if the confidence is insufficient, and the accuracy of quality guarantee judgment and spare part matching is improved.

The invention provides a polyester fabric production whole process monitoring management method and system. The method belongs to the technical field of production process monitoring. The method comprises the following steps: deploying various types of sensors at each key node of a polyester fabric production line; various physical parameters and environment information related to polyester fabric production are collected in real time; meanwhile, an operation state monitoring system of the production equipment is integrated to obtain equipment data; carrying out deep fusion processing on multi-source heterogeneous data obtained from the polyester fabric production holographic sensing architecture; constructing a data association model; comprehensively evaluating the production situation based on the model in combination with the technological process and the quality standard of polyester fabric production; generating a production situation assessment report through production situation assessment; the whole-process data tracing system provides a traceable basis for quality disputes, raw material problems and the like, enhances the capability of controlling supply chain risks, meets the requirements of downstream customers on product traceability, and improves the brand credibility.

The invention relates to the technical field of cold chain product traceability, and discloses a cold chain product whole-process wireless traceability system based on the Internet of Things, and the system comprises an acquisition module which is used for collecting environment data of a cold chain product; the state matrix construction module is used for constructing an observation state matrix; the feature extraction module is used for extracting observation state matrix features and constructing transportation abnormity and risk grade indexes; the risk evaluation module is used for evaluating whether environment abnormity and state mutation exist or not at present; the data uploading control module is used for sending alarm information to the cloud; a state graph modeling and visualization module; and constructing a state graph based on the alarm information. State estimation is carried out through the state estimation unit, reconstruction compensation can still be carried out on key data when the nodes are in the dormant state, the integrity and continuity of a data chain are guaranteed, a data blind area is effectively filled, the integrity of data detection is improved, and the accuracy of cold chain product traceability is improved.

The invention discloses a dairy product traceability method based on a block chain, and relates to the field of dairy products, the dairy product traceability method based on the block chain comprises the following steps: S1, collecting dairy product production flow data, and dividing the data into a plurality of dairy product data blocks for storage; s2, obtaining traceability characteristic parameters, presetting a weight database to carry out weight distribution, and carrying out matching based on a weight distribution result; s3, presetting a dynamic traceability link generation mechanism according to the space-time coupling self-organizing model, and generating a dairy product traceability link; s4, presetting an adaptability threshold rule base, and performing adaptability evaluation; s5, optimizing and adjusting the dairy product traceability link, and updating the adaptability threshold rule; and S6, tracing the dairy product, and generating a multi-level visual tracing result. According to the invention, the dairy product production process data is packaged into the data blocks and stored in the block chain database, so that the integrity, traceability and tamper-proofing performance of the traceability data are guaranteed.

The invention relates to the technical field of cell preparation quality evaluation, in particular to a cell preparation whole-process quality intelligent evaluation system and a method thereof, and the system comprises a data acquisition module, a preprocessing module, a mining module, a modeling module, a report automatic generation module and a data storage module. The modeling module is used for constructing a cell product index evaluation system and a product traceability model and comprises a cell culture state evaluation model and an environment monitoring analysis module, and the environment monitoring analysis module is used for carrying out traceability analysis by using a time sequence convolutional neural network; the automatic report generation module intelligently evaluates the quality of the whole process and generates a report, the data storage module manages data and model storage, sharing and calling, the system constructs a cell quality evaluation system based on multi-dimensional data, integrates multiple dimensional indexes such as morphology, surface markers and functionality, realizes comprehensive evaluation, and improves the evaluation efficiency. And the one-sidedness of single index evaluation is avoided.

The invention discloses an agricultural product whole-chain traceability method and device, a medium and a product, and relates to the technical field of agricultural product traceability. The method comprises the following steps: obtaining traceability data of a target agricultural product at each node and generating a privacy compliance proof; performing data signature on the traceability data of the initial node and the privacy compliance proof in the trusted execution environment to obtain an encrypted traceability certificate; determining any one of the plurality of intermediate nodes and the final node as a target node, and in the trusted execution environment, performing data signature on the hash value of the previous node, the traceability data of the target node and the privacy compliance proof to obtain an encrypted traceability certificate of the target node; storing all the encrypted traceability vouchers to a side chain of the block chain; all the hash values are anchored to the main chain of the block chain; determining the hash value of the final node as a root hash value, and generating a traceability code; and in response to a query instruction, tracing and analyzing all the encrypted tracing vouchers step by step. By implementing the technical scheme provided by the invention, the authenticity of the original data of agricultural product traceability can be improved.

The invention discloses an agricultural product supply chain whole-course tracing method and system based on a block chain, and relates to the technical field of agricultural product quality monitoring, and the method comprises the steps: collecting behavior related data of agricultural product cleaning processing, carrying out the preprocessing, constructing a behavior related data set H, carrying out the data analysis, obtaining a behavior temperature region index Xw and a fatigue abnormal coupling index PL, and carrying out the tracking of the agricultural product supply chain. According to the method, hot area time windows are screened through a fatigue abnormity coupling index PL and a fatigue abnormity threshold PLYZ, a hot area abnormity comprehensive score Rq is obtained for each hot area time window, the early warning level of the hot area time window is evaluated, and when agricultural products have quality problems, product traceability analysis is carried out, so that a system can actively recognize and respond to high-behavior risk chain segments, and the quality of the agricultural products is improved. And timely chaining and marking an abnormal time window, so that flow control is performed before pollution is not explicitly exposed, and the real-time risk control capability and the data credibility of an agricultural product processing stage are improved.

The invention relates to the technical field of agricultural product traceability, in particular to an agricultural product quality safety traceability method, which comprises the following steps: acquiring link traceability data of an agricultural product, and associating and binding the link traceability data with a preset traceability unit of the agricultural product to obtain an initial traceability unit; generating a sorting label based on the initial traceable unit, and pasting the sorting label on the initial traceable unit to form a target traceable unit; and scanning the sorting labels to obtain traceability information, and generating a traceability report according to the traceability information, thereby effectively solving the technical problem that quality safety responsibility is difficult to accurately position and trace due to supply chain link information disjunction in the agricultural product circulation process.

The invention relates to a method for tracing electronic component products in transaction based on a block chain. The method comprises the steps of obtaining electronic component transaction data, and dividing the electronic component transaction data into sensitive data, non-sensitive data and on-chain contract data through a preset classification model; encrypting sensitive data by adopting an encryption algorithm and a dynamic confusion technology to generate an encrypted data block, and constructing a structured encrypted data set together with non-sensitive data and on-chain contract data; performing Hash aggregation on the encrypted data set based on a timestamp Merkel forest structure to generate a block head and a block body containing timestamps and root Hash; verifying the block head and the block body through an improved asynchronous Byzantine consensus algorithm, and generating a consensus block for ensuring the consistency of network data; and when a query request is received, verifying the access permission based on a preset permission model, and outputting a verification result of whether to agree to query. By adopting the method, the security of electronic component product traceability in the transaction can be improved, the data privacy protection is enhanced, and the transaction data processing efficiency is improved.

The invention discloses an automobile aluminum decoration plate product quality tracing method, and belongs to the technical field of product tracing, and the method specifically comprises the steps: firstly, generating a unique root identification code containing basic information for an aluminum decoration plate raw material, and enabling the root identification code to comprise three basic information including a supplier number, a material batch number and warehousing time; and deploying a terminal in key processes such as warehousing, stamping and oxidation to collect process data of the bound identification code in real time. And then integrating the data through a collection module to generate a complete quality file of a single product, and establishing an adjacent process parameter causal mapping model to form an abnormal tracing link. On the basis, a parameter monitoring boundary is set, and standard-exceeding early warning and abnormal batch locking blocking are achieved. Finally, a bidirectional tracing query channel is constructed, forward trajectory tracking based on identification codes and reverse raw material and process positioning based on problem features are supported, and whole-process quality control is achieved.

The invention discloses an accessory traceability management system and method for a watch movement, and relates to the technical field of product traceability management, and the method comprises the following steps: building an accessory traceability reflection management file, carrying out the structural recording of management data and carved code appearance features related to traceability collection, and storing the recorded data in a database; and based on the management data, an anti-radio frequency flash feature table for tracing acquisition risk assessment is generated. According to the invention, by establishing an accessory traceability reflection management file and an anti-radio frequency flash characteristic table, correlation identification of light source parameters and metal surface characteristics is realized, reflection interference is pre-judged in advance, and the acquisition rhythm is optimized; by misjudging a trigger point set to reconstruct an illumination and exposure mode and combining a reverse exposure dark window and a scattered light shadow to suppress mirror reflection, imaging is stable, carved codes are clear, and traceability identification accuracy and reliability are improved.

The invention provides a supply chain traceability management method and system based on a large model, and the method comprises the steps: carrying out the identity registration authentication of a supply chain participant, and obtaining the identity authentication information; carrying out block chain recording on the commodity production and circulation process based on the identity authentication information to obtain traceability data; analyzing and processing the traceability data through a large model, and identifying abnormal nodes; and responding to the traceability query request according to the abnormal node identification result, and generating a tracking report and credibility evaluation. Through the deep learning ability of the large model, malicious participants in the supply chain can be accurately identified, the credibility of the traceability data is improved, and reliable product traceability service is provided for consumers and supervision departments.

The invention discloses a commodity traceability method based on an NFC chip tag and a related device, and the method comprises the steps: obtaining the NFC chip tag carried in a product, and reading the traceability identification information in the NFC chip tag based on a traceability intelligent terminal; generating a traceability hash value based on the traceability identification information, and broadcasting the traceability hash value to the block chain; the block chain matches production whole course digital data of the product associated with the traceability hash value based on the received traceability hash value; loading the production whole-course digital data from the block chain to a traceability intelligent terminal; and the traceability intelligent terminal carries out processing process visualization processing on the whole production process digital data, and carries out visualization traceability processing based on a processing process visualization result. In the embodiment of the invention, the authenticity of product traceability is realized through the block chain, the traceability channel can be quickly established through the NFC chip tag carried by the product, and the traceability convenience is improved.

The invention discloses an agricultural product traceability data management method and device based on a block chain. Constructing an alliance chain architecture consisting of a management chain and a data chain, when a certain data chain accesses a new node, sending a request to the management chain corresponding to the data chain, initiating a consensus to each node of the management chain, and determining an access result according to a consensus result; and in response to an external data access request, performing permission matching on the data access request, allocating a permission to the data access request according to a matching result, and displaying the data of the data chain allowed to be accessed by the permission. According to the technical scheme, the architecture of the management chain and the data chain is adopted, the data chain can be brought into supervision and auditing of the management chain, and combined management and control of multiple departments are effectively achieved while the safety of agricultural product quality tracing data is guaranteed; through the identity verification and authority control strategy of data reading access, the authority of the user to data use can be accurately identified, and the data use efficiency is improved while the data security is ensured.

The invention relates to the technical field of agricultural product tracing, in particular to an agricultural product full-process tracing method and system based on a block chain, and the method comprises the following steps: S1, receiving the information generated by agricultural products in each link of a supply chain; s2, establishing association between the converted data records based on a predetermined rule, allowing a user to examine, modify or create the association between the data records, and defining explanatory association to obtain the data records containing the explanatory association; s3, displaying an evidence network formed by data records containing explanatory association in a mode of nodes and connecting lines, and allowing a user to select, organize and confirm one or more evidence paths; and S4, according to the evidence path confirmed by the user, extracting related data records and explanatory association thereof, and generating a compliance evidence packet with a predetermined structure. Diversified data and atypical operations can be effectively processed, structured compliance evidences are generated, and the reliability and credibility of a traceability system are improved.

The invention relates to the technical field of agricultural product traceability, in particular to an agricultural product traceability method and system based on the Internet of Things technology, and the method comprises the steps: obtaining a traceability full-link node of an agricultural product; agricultural product traceability data of each node is collected; performing first encryption processing on the collected agricultural product traceability data to generate encrypted traceability data; uploading the encrypted traceability data to a block chain network for evidence storage, and generating a block chain evidence storage hash value; acquiring an equipment identifier of the Internet of Things acquisition equipment corresponding to each node; generating an agricultural product unique traceability identifier based on the block chain evidence storage hash value and the equipment identifier; receiving a traceability query request of a user; calling corresponding encrypted traceability data from the block chain network based on the unique traceability identifier of the agricultural product; and decrypting the called encrypted traceability data, and obtaining decrypted agricultural product traceability data. According to the invention, the credibility and authenticity of agricultural product traceability information can be improved.

The invention provides an agricultural product traceability method and system based on the Internet of Things and a block chain, and relates to the technical field of agricultural product traceability, and the method comprises the steps: monitoring the production condition and the easy condition of an agricultural product, and obtaining a product label and an easy record; performing encryption processing by using a dynamic salt value hash algorithm to obtain first verification data and second verification data respectively; storing the product label, the easy record, the first verification data and the second verification data in a database, and constructing a mapping relationship to obtain block chain data; based on the block chain data, obtaining a corresponding product label and an easy record in a database; and processing the product label and the easy record in the database to obtain first generation verification data and second generation verification data respectively, and comparing the first generation verification data and the second generation verification data with the corresponding first verification data and second verification data to obtain a traceability verification result so as to complete traceability of the agricultural product. The problems of data counterfeiting, low reconciliation efficiency and poor stability of an existing traceability system are solved.

The invention relates to the technical field of production, processing, manufacturing and synthesis, and discloses a data monitoring and analysis method of a chlorination production synthesis system, which comprises the following steps of: data acquisition: acquiring key parameters in a production process in real time by utilizing an on-site instrument and a DCS (Distributed Control System), comprise but not limited to temperature, pressure, flow, liquid level, pH value, turbidity, dripping speed, rotating speed and running current, the acquisition frequency is set according to production requirements, and acquisition is performed once per second; and data recording: storing the collected data in a database according to a time sequence, recording operation intervals and curves of various data, abnormal points, timestamps, parameter values, alarm values and corresponding equipment identifiers, and ensuring data integrity. According to the data monitoring and analysis method of the chlorination production synthesis system, various parameter data in the production process are collected in real time by combining the field instrument and the DCS system and are analyzed in detail, so that production operation steps are monitored, the technological process is optimized, the equipment state is monitored, and deviation is corrected in time; therefore, the product quality is improved, and the product traceability is realized.

The invention provides a product traceability method and system based on a space-time code, a terminal and a storage medium, and belongs to the technical field of product traceability, and the method comprises the steps: generating a commodity code of a raw material; for each subsequent product processing link, all the commodity codes of the previous upstream link are scanned and analyzed, production subject identification information associated with each commodity code is acquired, and the validity of the production subject identification information is verified; when the production subject identification information is valid, analyzing a space-time code from each commodity code of a previous upstream link as a parent space-time code of a product of a current link; generating a commodity code of the current link product in combination with the space-time code of the current link product and the product identification information; and obtaining a traceability result. According to the invention, the product is identified by using the corresponding space-time code and the product identifier in each production link, and when the commodity code of the final product is scanned, the traceability can be carried out without manual intervention, so that the product traceability efficiency is effectively improved.

The invention provides a jade commodity anti-counterfeiting traceability system and method based on a block chain, and relates to the technical field of jade commodity traceability. According to the system, the traceability information of stages such as jade commodity production and processing is recorded through the traceability information recording module of the mobile terminal, the workload of production and processing personnel is reduced, the production efficiency is improved, secondly, infrastructures of a block chain are established through the storage module under the traceability information chain and the alliance chain service module, and the production efficiency is improved. Secondly, through bidirectional verification of a jade commodity package two-dimensional code and a jade commodity digital certificate and chain retention of unique natural characteristics of the jade commodity, the jade commodity is prevented from being replaced with false and true, the distinguishing capability of the jade commodity is improved, and finally, the identification efficiency of the jade commodity is improved. The enterprise public key decryption is carried out based on the non-tampering information on the chain and the database information under the chain by fusing the digital signature technology, so that the enterprise source authentication of the jade is realized, and the trust of the consumer to the commodity is improved.

The invention relates to the technical field of traceability of a meta-universe platform, and discloses an agricultural product traceability system and method based on the meta-universe. According to the method, firstly, key events such as harvesting, farming operation, quality inspection and transportation of agricultural products in the whole process from planting to selling are automatically collected through a collection end, parameters and evidence hash values are spliced, a data abstract is calculated, digital signature is carried out, and it is ensured that a data source is credible; the gateway carries out triple defense line verification on the received data packet; then the data association module performs knowledge graph construction on the discrete events passing verification, quantifies the credibility of the causal relationship through multi-dimensional weight calculation, and finally determines a main causal path representing the most credible life trajectory; and finally, the upper chain traceability module adopts a mixed architecture of a Merkle tree and distributed storage, generates a digital fingerprint from the key information of the main path, stores the digital fingerprint in a block chain, stores a complete evidence packet in an IPFS, and finally provides immersive traceability experience capable of being verified by one key for consumers in the meta universe to form a closed-loop credible traceability chain.

The invention relates to the technical field of product traceability information management, in particular to a product traceability authentication full-process management system, which comprises the following steps of: determining equipment feature tags of different user types by analyzing equipment communication information in historical account login information, and matching current user equipment scanning information to identify the type of the current user equipment; historical browsing information is called based on the user type, the occurrence frequency of page browsing content and a node time coefficient are analyzed, a node content expression coefficient is calculated to generate information arrangement data, and finally the data are displayed on terminal equipment, so that a product full-process traceability data closed loop is realized, the authentication credibility is improved, and the user experience is improved. And meanwhile, the user type is accurately identified and the service is adapted, so that information redundancy is avoided, the terminal experience is optimized, the user acceptability is enhanced, and the problems of insufficient whole-process coverage and extensive service of a traditional system are further solved.

The invention relates to the technical field of product marketing, in particular to an agricultural product online and offline traceability marketing system and method, and the system comprises a quality monitoring unit which is used for monitoring the environment data of a target agricultural product in real time, and determining the quality attenuation coefficient of the target agricultural product according to the environment data; the product traceability unit is used for generating a traceability code according to the quality attenuation coefficient and the spatio-temporal information of the target agricultural product; and the code scanning and recording unit is used for printing the traceability code on a package of a target agricultural product. The environment data of the target agricultural product is monitored in real time and the traceability code is generated, a consumer can obtain detailed information of the agricultural product by scanning the code, the detailed information comprises the production environment, quality control, attenuation condition and the like, and the transparent traceability information enhances the trust of the consumer on the product quality and improves the product quality. Especially under the background of increasing attention to food safety and agricultural product sources.

The invention relates to the technical field of manufacturing traceability, in particular to a product traceability method and system for an automatic laminating machine, and the method comprises the following steps: obtaining a head direction and state change, extracting a path direction and a code, recognizing a change node, judging a connection relation, connecting a path, and associating a task with a path number. And analyzing interval and station change, adding serial numbers, and writing task data to generate fitting process traceability chain content. According to the method, through dynamic data acquisition and analysis and whole-process monitoring and automatic recording of the fitting process, the real-time performance and integrity of data are improved, positioning of track change nodes and connection of path segments are achieved, state changes of each stage are kept to be captured in time, the states of the path segments and the stations are intelligently analyzed, linkage between links is optimized, and the efficiency is improved. The execution continuity is improved, human intervention and errors are reduced, the traceability from the task source to the execution process is enhanced, and the transparency and controllability of product quality management are improved.

The invention relates to the technical field of data processing, and discloses a fresh agricultural product full-link traceability management system, which comprises a data acquisition module used for acquiring original data representing the state of the data acquisition module; the artificial intelligence analysis module is used for processing the original data to generate an analysis result and a credibility score corresponding to the analysis result; an intelligent contract is deployed in the data write-in scheduling module, and the intelligent contract is used for receiving the analysis result and the credibility score; and the hierarchical block chain storage module is used for responding to the write-in instruction generated by the data write-in scheduling module. Through intelligent analysis and hierarchical block chain storage, quantitative evaluation and dynamic hierarchical storage management of source credibility of fresh agricultural product traceability data are realized, a main chain is effectively prevented from being polluted by abnormal data, a data closed-loop recheck mechanism is established, and the overall authenticity and reliability of traceability information are improved.