Changelog

All notable changes to CX-0125 will be documented in this file.

[2.3.0] - CX-Titan (26.03)

Added

• Added new section 3.3 Aspect ModelAspect Model A formal, machine-readable semantic description (expressed with RDF/Turtle) of data accessible from an aspect. Note 1: An Aspect Model must adhere to the Semantic Aspect Meta Model (SAMM) and be compliant with its validity rules. Note 2: Aspect Models are logical data models that can be used to detail a conceptual model to describe the semantics of runtime data related to a concept; elements of an Aspect Model can/should refer to terms of a standardized Business Glossary (if existing). "Certificate of Analysis" (CoA)" to describe the new use case and link to turtle file
• Added new section 3.4 Aspect ModelAspect Model A formal, machine-readable semantic description (expressed with RDF/Turtle) of data accessible from an aspect. Note 1: An Aspect Model must adhere to the Semantic Aspect Meta Model (SAMM) and be compliant with its validity rules. Note 2: Aspect Models are logical data models that can be used to detail a conceptual model to describe the semantics of runtime data related to a concept; elements of an Aspect Model can/should refer to terms of a standardized Business Glossary (if existing). "Zero Km Failure" to describe the new use case and link to turtle file

Changed

• In section 2.2 SPECIAL DIGITAL TWINS FOR TRACEABILITY AND SPECIFIC ASSETAsset On the Data Provider side, an Asset describes the data set which will be shared or can be consumed by a Data Consumer. IDSIDS The International Data Space enables 'smart services' and business processes across companies and industries while ensuring data sovereignty and self-determined control of data use. Recommendation of providing aspect modelsAspect Model A formal, machine-readable semantic description (expressed with RDF/Turtle) of data accessible from an aspect. Note 1: An Aspect Model must adhere to the Semantic Aspect Meta Model (SAMM) and be compliant with its validity rules. Note 2: Aspect Models are logical data models that can be used to detail a conceptual model to describe the semantics of runtime data related to a concept; elements of an Aspect Model can/should refer to terms of a standardized Business Glossary (if existing). (SHOULD) to DT qualityTask
• Improve description of using DT qualityTask especially how to connect vehicle twin or part twin to it
• Explanation of figure Change “digitalTwinType“ to „not applicable”
• In section 4 APPLICATION PROGRAMMING INTERFACES Correction of inconsistency with Dataspace Connectivity Standard CX-018 in namespaces for notification endpoint: URN: httpsHTTP HTTP is an application-layer protocol for transmitting hypermedia documents (such as HTML). It was designed for communication between web browsers and web servers, but can also be used for other purposes. instead of httpHTTP HTTP is an application-layer protocol for transmitting hypermedia documents (such as HTML). It was designed for communication between web browsers and web servers, but can also be used for other purposes..

[2.2.0] - CX-Saturn (25.09)

Note: This release (25.09) contains major changes!

Added

• Added "SPECIAL DIGITAL TWINS FOR TRACEABILITY AND SPECIFIC ASSETAsset On the Data Provider side, an Asset describes the data set which will be shared or can be consumed by a Data Consumer. IDSIDS The International Data Space enables 'smart services' and business processes across companies and industries while ensuring data sovereignty and self-determined control of data use." to section 2.2. to describe the usage of DT qualityTask.

Changed

• openAPI specification for block notification (version 2.0.0) including the new field problemId which represents a unique identifier of the initial problem (in the customersCustomer In the context of OSim, the receiver of produced goods from a supplier. system) which results in requesting a block information with all parts which are (presumably) affected by this problem. This ID is also necessary to identify the reason for a block for a particular part (in the customersCustomer In the context of OSim, the receiver of produced goods from a supplier. system). As one part can be affected by several problems and can be included in diffent block actions.
• Replaced listing of conventions for policies and policy constraints by the reference to standard CX-0152. This is not a change in normativity, but merely removes the duplicate listing of general conventions.

Legal

Copyright © 2026 Catena-X Automotive Network e.V. All rights reserved. For more information, please see Catena-X Copyright Notice.