Changelog
4 new standards 16 updated standards 1 deprecated standard
A) Updated Standards
Note: Detailed information regarding the changes can be found in the standard documents under the section “Comparison with the Previous Version of the Standard”.
Network Services
| CX-Nr. | Standard Name | Version | Management Summary |
|---|---|---|---|
| CX-0018 | Dataspace Connectivity | 4.1.0 | - Specified default credential context for catalog requests - Updated to final versions of DSP 2025-1 and DCP 1.0 - Finalized discovery, protocol handling, and backward compatibility - Policy constraints now covered in a separate standard |
| CX-0001 | EDC Discovery API | 1.2.0 | - Deprecated EDC Discovery API (moved to backward compatibility section) - Changed purpose: now specifies Participant Agent registration - Title and terminology updated to "Participant Agent" |
| CX-0049 | DID Document | 2.2.0 | - Added JSON schema for validation - Added DataService and CredentialService to service array - Rewrote introduction and removed CatalogService field |
| CX-0149 | Verified Company Identity | 2.0.0 | - Added requirements for wallets and guidance on obtaining them - Scope now covers wallet requirements and acquisition - Credential descriptions moved to CX-0050; OIDC references removed |
| CX-0050 | Framework Agreement Credential | 2.2.0 | - Scope expanded to all Catena-X credentials - Added membership, BPN, and dismantler credentials - All credential types now include usage description and JSON schema - Introduction rewritten |
Business Partner Data Management
| CX-Nr. | Standard Name | Version | Management Summary |
|---|---|---|---|
| CX-0012 | Business Partner Data Pool API | 5.1.0 | - Added relations sub-object and definitions for managing/legal entities - Enhanced enum descriptions and UML diagrams - CAC added for API access control - Enhanced definition of "Is Participant Data" |
| CX-0074 | Business Partner Gate API | 4.1.0 | - Added relations entity and definitions for managing/legal entities - Enhanced enum descriptions and UML diagrams - CAC added for API access control - Enhanced definition of "Is Company Data" |
| CX-0076 | Golden Record End-to-End Requirements | 1.5.0 | - Adds advanced search for business partners (country, city, address) - Enables search for all known business partners - Potential new relations for BPNs - Updates to BPDM 7.1 and APIs - Improves data sovereignty and usability |
Supply Chain Management & Quality
| CX-Nr. | Standard Name | Version | Management Summary |
|---|---|---|---|
| CX-0146 | Supply Chain Disruption Notifications | 2.0.0 | - Added field resolvingMeasureDescription to notification - Added rules for payload validation for material numbers - Message structure and process representation improved - Provided Open API definition - Various editorial and compliance updates |
| CX-0136 | Use Case PCF | 2.2.0 | - Added synchronous data exchange API and sequence diagrams - customerPartId added as optional field - API improvements and endpoint changes - Enhanced documentation and metadata |
| CX-0125 | Traceability Use Case | 2.2.0 | - Added section on special digital twins for traceability - Updated block notification API with new field problemId for unique problem identification |
| CX-0123 | Quality Use Case Standard | 3.0.0 | - Added new aspect models for warranty and claims - Updated semantic and aspect models - Improved data asset handling and Apache Parquet support |
| CX-0143 | Use Case Circular Economy Digital Product | 1.2.0 | - Added introduction to aspect models for DPPs - Updated links, scope, and aspect models - Fixed minor issues and typos |
Sustainability
| CX-Nr. | Standard Name | Version | Management Summary |
|---|---|---|---|
| CX-0128 | Demand and Capacity Management Data Exchange | 2.2.0 | - Added chapter on capabilities as data assets - Added order of execution - Clarified policy usage and updated examples - Renamed APIs for clarity |
| CX-0150 | Logistics | 1.2.0 | - Updated policy constraints - Minor editorial changes |
| CX-0002 | Digital Twins In Catena-X | 2.3.0 | - Added features from AAS Release 25-01 - New API operation and profiles - Updated to latest AAS specifications and improved documentation - Deprecated old API operation |
B) New Standards
| CX-Nr. | Standard Name | Version | Management Summary |
|---|---|---|---|
| CX-0154 | Digital Master Data | 1.0.0 | - Standardized, interoperable, and secure exchange of structured master data (product, material, 2D & 3D data) - Reduces inconsistencies and manual effort - Improves efficiency in PDM/CAD systems - Accelerates digitalization and collaboration - Supports compliance and new digital services |
| CX-0155 | Requirements Exchange | 1.0.0 | - Standardized requirements exchange between OEMs and suppliers in early product creation - Establishes unified data model for requirements - Based on existing models and standards |
| CX-0153 | Tariffs Use Case | 1.0.0 | - Standardizes tariff data collection and reporting - Replaces manual processes with secure, automated solutions - Sets standards for data aggregation, reporting, and quality controls - Focus on raw material categories and mapping “Country of Origin” codes - Lays groundwork for long-term system integration |
| CX-0152 | Policy Constraints for Data Exchange | 1.0.0 | - Standardizes policy requirements for data access and usage - Eliminates duplication and inconsistencies - Ensures all use cases reference this standard via CX-0018 - Reduces maintenance effort and risk of errors - No dependencies on other standards |
C) Deprecated Standards
| CX-Nr. | Standard Name | Reason for Deprecation |
|---|---|---|
| CX-0013 | Identity of Member Company | Standard deprecated as part of consolidation to simplify the standards landscape and improve user-friendliness. |
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