Adapt link to specs and adapt link to schema files

Author: moritzsommer

.github/workflows/ci.yml

@@ -53,7 +53,7 @@ jobs:
       # that you want to use to test the serialization adapter against.
       # Currently, we need to update this manually, however I'm afraid this is not possible to automatically infer,
       # since it's heavily dependant of the version of the AAS specification we support.
-      AAS_SPECS_RELEASE_TAG: "IDTA-01001-3-0-1_schemasV3.0.8"
+      AAS_SPECS_RELEASE_TAG: "IDTA-01001-3-1-2"
     services:
       couchdb:
         image: couchdb:3

README.md

@@ -7,13 +7,13 @@ for Industry 4.0 Systems.
 
 These are the implemented AAS specifications of the [current SDK release](https://github.com/eclipse-basyx/basyx-python-sdk/releases/latest), which can be also found on [PyPI](https://pypi.org/project/basyx-python-sdk/):
 
-| Specification                         | Version                                                                                                                                                                         |
-|---------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| Specification                         | Version                                                                                                                                                                           |
+|---------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | Part 1: Metamodel                     | [v3.0.1 (01001-3-0-1)](https://industrialdigitaltwin.org/wp-content/uploads/2024/06/IDTA-01001-3-0-1_SpecificationAssetAdministrationShell_Part1_Metamodel.pdf)                   |
-| Schemata (JSONSchema, XSD)            | [v3.0.8 (IDTA-01001-3-0-1_schemasV3.0.8)](https://github.com/admin-shell-io/aas-specs/releases/tag/IDTA-01001-3-0-1_schemasV3.0.8)                                              |
-| Part 2: API                           | [v3.0 (01002-3-0)](https://industrialdigitaltwin.org/en/wp-content/uploads/sites/2/2023/06/IDTA-01002-3-0_SpecificationAssetAdministrationShell_Part2_API_.pdf)                 |
-| Part 3a: Data Specification IEC 61360 | [v3.0 (01003-a-3-0)](https://industrialdigitaltwin.org/wp-content/uploads/2023/04/IDTA-01003-a-3-0_SpecificationAssetAdministrationShell_Part3a_DataSpecification_IEC61360.pdf) |
-| Part 5: Package File Format (AASX)    | [v3.0 (01005-3-0)](https://industrialdigitaltwin.org/wp-content/uploads/2023/04/IDTA-01005-3-0_SpecificationAssetAdministrationShell_Part5_AASXPackageFileFormat.pdf)           |
+| Schemata (JSONSchema, XSD)            | [v3.0.8 (IDTA-01001-3-0-1_schemasV3.0.8)](https://github.com/admin-shell-io/aas-specs/releases/tag/IDTA-01001-3-0-1_schemasV3.0.8)                                                |
+| Part 2: API                           | [v3.0 (01002-3-0)](https://industrialdigitaltwin.org/en/wp-content/uploads/sites/2/2023/06/IDTA-01002-3-0_SpecificationAssetAdministrationShell_Part2_API_.pdf)                   |
+| Part 3a: Data Specification IEC 61360 | [v3.1.1 (01003-a)](https://industrialdigitaltwin.org/wp-content/uploads/2025/08/IDTA-01003-a-3-1-1_AAS-Specification_Part3a_DataSpecification.pdf) |
+| Part 5: Package File Format (AASX)    | [v3.1 (01005)](https://industrialdigitaltwin.org/wp-content/uploads/2025/06/IDTA_01005-25-01_AAS-Specification_Part5_AASXPackageFileFormat.pdf)                               |
 
 If you need support to an older version of the specifications, please refer to our [prior releases](https://github.com/eclipse-basyx/basyx-python-sdk/releases). 
 Each of them has a similar table at the top of the release notes.