diff --git a/dbrepo-auth-service/listeners/target/create-event-listener.jar b/dbrepo-auth-service/listeners/target/create-event-listener.jar
index f31503187e5d377ac51672c2f92594a89c7b5844..56d571a6d093a8c8a56d0f7a480a7b385777127c 100644
Binary files a/dbrepo-auth-service/listeners/target/create-event-listener.jar and b/dbrepo-auth-service/listeners/target/create-event-listener.jar differ
diff --git a/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar
new file mode 100644
index 0000000000000000000000000000000000000000..327aea40d4019a535cb12ef6863391c4f18f463e
Binary files /dev/null and b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar differ
diff --git a/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar.md5 b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar.md5
new file mode 100644
index 0000000000000000000000000000000000000000..d77c490d73796e8cab7794f4f19176c471031c7a
--- /dev/null
+++ b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar.md5
@@ -0,0 +1 @@
+1f0abb6d4b828ea9c241004072d83083
\ No newline at end of file
diff --git a/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar.sha1 b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar.sha1
new file mode 100644
index 0000000000000000000000000000000000000000..f955485209172d1102ddd4199ee4e3cdc1551c75
--- /dev/null
+++ b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar.sha1
@@ -0,0 +1 @@
+d4a7723db256f848bf0556ea46ff5847a65cb22c
\ No newline at end of file
diff --git a/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom
new file mode 100644
index 0000000000000000000000000000000000000000..a8bd30c879b5935d7b4201a3fe2a4ec33b0cffc1
--- /dev/null
+++ b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>at.ac.tuwien.ifs.dbrepo</groupId>
+  <artifactId>dbrepo-core</artifactId>
+  <version>1.8.2</version>
+</project>
diff --git a/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom.md5 b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom.md5
new file mode 100644
index 0000000000000000000000000000000000000000..d828a569a04f9d085270a5cdc373351534c6c436
--- /dev/null
+++ b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom.md5
@@ -0,0 +1 @@
+01c7678165b6cd9e3d791aa5e8a4079f
\ No newline at end of file
diff --git a/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom.sha1 b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom.sha1
new file mode 100644
index 0000000000000000000000000000000000000000..1d022eb4d41507444e31c9979242e9ff2ce4230c
--- /dev/null
+++ b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom.sha1
@@ -0,0 +1 @@
+269ba05d98dda236edf0fd3fd7dddb485499001e
\ No newline at end of file
diff --git a/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml
new file mode 100644
index 0000000000000000000000000000000000000000..23bb4cb32581c82c96fdf2ef8fb270ca5d4a0264
--- /dev/null
+++ b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<metadata>
+  <groupId>at.ac.tuwien.ifs.dbrepo</groupId>
+  <artifactId>dbrepo-core</artifactId>
+  <versioning>
+    <release>1.8.2</release>
+    <versions>
+      <version>1.8.2</version>
+    </versions>
+    <lastUpdated>20250425072339</lastUpdated>
+  </versioning>
+</metadata>
diff --git a/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml.md5 b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml.md5
new file mode 100644
index 0000000000000000000000000000000000000000..ccd2ab6f7b27ca3960ace8f71612acb35a7150c4
--- /dev/null
+++ b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml.md5
@@ -0,0 +1 @@
+161a9b9c161aaee7fbf472830b9f4bb3
\ No newline at end of file
diff --git a/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml.sha1 b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml.sha1
new file mode 100644
index 0000000000000000000000000000000000000000..c64b554313dfde1448ebed878cc81d4c629b7a6a
--- /dev/null
+++ b/dbrepo-data-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml.sha1
@@ -0,0 +1 @@
+4af0ca239d68580b51236fc65e499978e57576d0
\ No newline at end of file
diff --git a/dbrepo-metadata-service/api/src/main/java/at/tuwien/api/datacite/doi/DataCiteCreateDoi.java b/dbrepo-metadata-service/api/src/main/java/at/tuwien/api/datacite/doi/DataCiteCreateDoi.java
index 24da7bc82a2cfbfd5346abd87bcfc66e6cf9dd27..db8a6908a1f9822a3b6c976575eef15f7cd4f299 100644
--- a/dbrepo-metadata-service/api/src/main/java/at/tuwien/api/datacite/doi/DataCiteCreateDoi.java
+++ b/dbrepo-metadata-service/api/src/main/java/at/tuwien/api/datacite/doi/DataCiteCreateDoi.java
@@ -26,6 +26,9 @@ public class DataCiteCreateDoi implements Serializable {
 
     private DataCiteDoiEvent event;
 
+    @NotBlank
+    private String schemaVersion;
+
     private List<DataCiteDoiTitle> titles;
 
     @NotBlank
diff --git a/dbrepo-metadata-service/entities/src/main/java/at/tuwien/entities/identifier/RelationType.java b/dbrepo-metadata-service/entities/src/main/java/at/tuwien/entities/identifier/RelationType.java
index 65fc23fddbdbe3dca3dedf0669ad4bdb9a2feb7e..40bbfae9c2e3018404775d40cd8197882f4561dc 100644
--- a/dbrepo-metadata-service/entities/src/main/java/at/tuwien/entities/identifier/RelationType.java
+++ b/dbrepo-metadata-service/entities/src/main/java/at/tuwien/entities/identifier/RelationType.java
@@ -80,4 +80,5 @@ public enum RelationType {
     public String toString() {
         return this.name;
     }
+
 }
diff --git a/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar
new file mode 100644
index 0000000000000000000000000000000000000000..327aea40d4019a535cb12ef6863391c4f18f463e
Binary files /dev/null and b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar differ
diff --git a/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar.md5 b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar.md5
new file mode 100644
index 0000000000000000000000000000000000000000..d77c490d73796e8cab7794f4f19176c471031c7a
--- /dev/null
+++ b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar.md5
@@ -0,0 +1 @@
+1f0abb6d4b828ea9c241004072d83083
\ No newline at end of file
diff --git a/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar.sha1 b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar.sha1
new file mode 100644
index 0000000000000000000000000000000000000000..f955485209172d1102ddd4199ee4e3cdc1551c75
--- /dev/null
+++ b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.jar.sha1
@@ -0,0 +1 @@
+d4a7723db256f848bf0556ea46ff5847a65cb22c
\ No newline at end of file
diff --git a/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom
new file mode 100644
index 0000000000000000000000000000000000000000..a8bd30c879b5935d7b4201a3fe2a4ec33b0cffc1
--- /dev/null
+++ b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>at.ac.tuwien.ifs.dbrepo</groupId>
+  <artifactId>dbrepo-core</artifactId>
+  <version>1.8.2</version>
+</project>
diff --git a/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom.md5 b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom.md5
new file mode 100644
index 0000000000000000000000000000000000000000..d828a569a04f9d085270a5cdc373351534c6c436
--- /dev/null
+++ b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom.md5
@@ -0,0 +1 @@
+01c7678165b6cd9e3d791aa5e8a4079f
\ No newline at end of file
diff --git a/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom.sha1 b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom.sha1
new file mode 100644
index 0000000000000000000000000000000000000000..1d022eb4d41507444e31c9979242e9ff2ce4230c
--- /dev/null
+++ b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/1.8.2/dbrepo-core-1.8.2.pom.sha1
@@ -0,0 +1 @@
+269ba05d98dda236edf0fd3fd7dddb485499001e
\ No newline at end of file
diff --git a/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml
new file mode 100644
index 0000000000000000000000000000000000000000..8c7262d8a7611d2002ef4c7b1f58b6083f13cbfe
--- /dev/null
+++ b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<metadata>
+  <groupId>at.ac.tuwien.ifs.dbrepo</groupId>
+  <artifactId>dbrepo-core</artifactId>
+  <versioning>
+    <release>1.8.2</release>
+    <versions>
+      <version>1.8.2</version>
+    </versions>
+    <lastUpdated>20250425072401</lastUpdated>
+  </versioning>
+</metadata>
diff --git a/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml.md5 b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml.md5
new file mode 100644
index 0000000000000000000000000000000000000000..6f7fcabb4123d8977e9c55aca89b651f40268654
--- /dev/null
+++ b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml.md5
@@ -0,0 +1 @@
+aadd7311a5b9e6287b5a23d5e032ca68
\ No newline at end of file
diff --git a/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml.sha1 b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml.sha1
new file mode 100644
index 0000000000000000000000000000000000000000..334cc124f8fe7aa847dc3d4ace8f7914f1f4d5f7
--- /dev/null
+++ b/dbrepo-metadata-service/lib/at/ac/tuwien/ifs/dbrepo/dbrepo-core/maven-metadata.xml.sha1
@@ -0,0 +1 @@
+86f1788b81b862f2fd0311bf84f0d9509dc5e3f4
\ No newline at end of file
diff --git a/dbrepo-metadata-service/repositories/src/main/java/at/tuwien/mapper/MetadataMapper.java b/dbrepo-metadata-service/repositories/src/main/java/at/tuwien/mapper/MetadataMapper.java
index eaef36188bf5d5c832ba30d91b8b62e91b10c646..63514bed71a32aba4a82f37f86acbe5c56b95574 100644
--- a/dbrepo-metadata-service/repositories/src/main/java/at/tuwien/mapper/MetadataMapper.java
+++ b/dbrepo-metadata-service/repositories/src/main/java/at/tuwien/mapper/MetadataMapper.java
@@ -258,7 +258,7 @@ public interface MetadataMapper {
     @Mappings({
             @Mapping(target = "relatedIdentifier", source = "value"),
             @Mapping(target = "relatedIdentifierType", source = "type"),
-            @Mapping(target = "relationType", source = "relation"),
+            @Mapping(target = "relationType", expression = "java(relatedIdentifier.getRelation().toString())"),
     })
     DataCiteDoiRelatedIdentifier relatedIdentifierToDoiRelatedIdentifier(RelatedIdentifier relatedIdentifier);
 
diff --git a/dbrepo-metadata-service/rest-service/src/test/java/at/tuwien/mapper/MetadataMapperUnitTest.java b/dbrepo-metadata-service/rest-service/src/test/java/at/tuwien/mapper/MetadataMapperUnitTest.java
index ac1103d2e5ad0a4c9a12b781c575ddff9aa39bcf..2e76bcde75d0ced9544b931954f13c8fc5ab4608 100644
--- a/dbrepo-metadata-service/rest-service/src/test/java/at/tuwien/mapper/MetadataMapperUnitTest.java
+++ b/dbrepo-metadata-service/rest-service/src/test/java/at/tuwien/mapper/MetadataMapperUnitTest.java
@@ -1,6 +1,7 @@
 package at.tuwien.mapper;
 
 import at.tuwien.api.database.ViewDto;
+import at.tuwien.api.datacite.doi.DataCiteDoiRelatedIdentifier;
 import at.tuwien.api.identifier.IdentifierTypeDto;
 import at.tuwien.api.user.UserBriefDto;
 import at.tuwien.entities.database.View;
@@ -58,6 +59,13 @@ public class MetadataMapperUnitTest extends AbstractUnitTest {
         assertNotEquals(CONTAINER_1, CONTAINER_2);
     }
 
+    @Test
+    public void relatedIdentifierToDoiRelatedIdentifier_succeeds() {
+
+        /* test */
+        assertEquals("Cites", metadataMapper.relatedIdentifierToDoiRelatedIdentifier(IDENTIFIER_1_RELATED_IDENTIFIER_1).getRelationType());
+    }
+
     @Test
     public void identifierTypeDtoToIdentifierType_succeeds() {
 
diff --git a/dbrepo-metadata-service/services/src/main/java/at/tuwien/service/impl/DataCiteIdentifierServiceImpl.java b/dbrepo-metadata-service/services/src/main/java/at/tuwien/service/impl/DataCiteIdentifierServiceImpl.java
index 5ab9cc26a226374d817966e880a684393c36cf08..9c99d3bede251684c6bf6ea8f561c6cbebde2e1c 100644
--- a/dbrepo-metadata-service/services/src/main/java/at/tuwien/service/impl/DataCiteIdentifierServiceImpl.java
+++ b/dbrepo-metadata-service/services/src/main/java/at/tuwien/service/impl/DataCiteIdentifierServiceImpl.java
@@ -19,6 +19,8 @@ import at.tuwien.exception.*;
 import at.tuwien.mapper.MetadataMapper;
 import at.tuwien.repository.IdentifierRepository;
 import at.tuwien.service.IdentifierService;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.ObjectWriter;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.context.annotation.Primary;
@@ -32,6 +34,9 @@ import org.springframework.web.client.HttpClientErrorException;
 import org.springframework.web.client.RestClientException;
 import org.springframework.web.client.RestTemplate;
 
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
 import java.util.List;
 import java.util.UUID;
 
@@ -100,6 +105,7 @@ public class DataCiteIdentifierServiceImpl implements IdentifierService {
             DataServiceConnectionException, MalformedException, DatabaseNotFoundException, IdentifierNotFoundException,
             ViewNotFoundException, QueryNotFoundException, SearchServiceException, SearchServiceConnectionException,
             ExternalServiceException {
+        log.debug("save identifier, {}", data.getId());
         data.setDoi(remoteSave(identifierService.save(database, user, data), DataCiteDoiEvent.REGISTER));
         return identifierService.save(database, user, data);
     }
@@ -110,6 +116,7 @@ public class DataCiteIdentifierServiceImpl implements IdentifierService {
             DataServiceConnectionException, IdentifierNotFoundException, MalformedException, ViewNotFoundException,
             DatabaseNotFoundException, QueryNotFoundException, SearchServiceException,
             SearchServiceConnectionException, ExternalServiceException {
+        log.debug("create identifier");
         data.setDoi(remoteSave(identifierService.create(database, user, data), DataCiteDoiEvent.REGISTER));
         return identifierService.create(database, user, data);
     }
@@ -129,19 +136,17 @@ public class DataCiteIdentifierServiceImpl implements IdentifierService {
         final HttpHeaders headers = new HttpHeaders();
         headers.setContentType(MediaType.APPLICATION_JSON);
         headers.setBasicAuth(dataCiteConfig.getUsername(), dataCiteConfig.getPassword());
-        final HttpEntity<DataCiteBody<DataCiteCreateDoi>> request = new HttpEntity<>(
-                DataCiteBody.<DataCiteCreateDoi>builder()
-                        .data(DataCiteData.<DataCiteCreateDoi>builder()
-                                .type("dois")
-                                .attributes(metadataMapper.identifierToDataCiteCreateDoi(identifier,
-                                        endpointConfig.getWebsiteUrl() + "/pid/" + identifier.getId(),
-                                        dataCiteConfig.getPrefix(), event))
-                                .build())
-                        .build(),
-                headers
-        );
+        final DataCiteBody<DataCiteCreateDoi> body = DataCiteBody.<DataCiteCreateDoi>builder()
+                .data(DataCiteData.<DataCiteCreateDoi>builder()
+                        .type("dois")
+                        .attributes(metadataMapper.identifierToDataCiteCreateDoi(identifier,
+                                endpointConfig.getWebsiteUrl() + "/pid/" + identifier.getId(),
+                                dataCiteConfig.getPrefix(), event))
+                        .build())
+                .build();
+        final HttpEntity<DataCiteBody<DataCiteCreateDoi>> request = new HttpEntity<>(body, headers);
         final String url = dataCiteConfig.getUrl() + "/dois";
-        log.trace("request doi from url {}", url);
+        log.trace("request doi from url={}", url);
         try {
             final ResponseEntity<DataCiteBody<DataCiteDoi>> response = restTemplate.exchange(url, HttpMethod.POST,
                     request, dataCiteBodyParameterizedTypeReference);
diff --git a/dbrepo-ui/components/ResourceStatus.vue b/dbrepo-ui/components/ResourceStatus.vue
index e594883328234bf005e3e689a945fd11b45ac60b..b49c0112d5ff86e4cc870ccf4624d9d717ead5a6 100644
--- a/dbrepo-ui/components/ResourceStatus.vue
+++ b/dbrepo-ui/components/ResourceStatus.vue
@@ -65,13 +65,13 @@ export default {
       return this.cacheStore.getUser
     },
     hasIdentifier () {
-      if (!this.resource.identifiers || this.resource.identifiers.length === 0) {
+      if (!this.resource.identifiers?.length === 0) {
         return false
       }
       if (!this.cacheUser) {
-        return this.resource.identifiers.filter(i => i.status === 'published').length
+        return this.resource.identifiers.filter(i => i.status === 'published').length > 0
       }
-      return this.resource.identifiers.filter(i => i.status === 'published' || i.owner.id === this.cacheUser.uid)
+      return this.resource.identifiers.filter(i => i.status === 'published' || i?.owned_by === this.cacheUser.uid || i?.owner.id === this.cacheUser.uid).length > 0
     },
     color () {
       if (this.hasIdentifier) {
diff --git a/dbrepo-ui/components/table/TableSchema.vue b/dbrepo-ui/components/table/TableSchema.vue
index 62d88647e4c1ee39a51be16ef2e6f50a6c739e86..f7cb3b3eb09a7d708a4cef5dce9d9e402ad7fc0b 100644
--- a/dbrepo-ui/components/table/TableSchema.vue
+++ b/dbrepo-ui/components/table/TableSchema.vue
@@ -152,7 +152,6 @@
           <v-checkbox
             v-model="c.unique"
             :disabled="disabled || c.type === 'serial'"
-            :hidden="c.primary_key"
             :label="$t('pages.table.subpages.schema.unique.label')" />
         </v-col>
         <v-col
@@ -250,6 +249,9 @@ export default {
       return this.$vuetify.theme.global.name.toLowerCase().endsWith('contrast') ? runtimeConfig.public.variant.button.contrast : runtimeConfig.public.variant.button.normal
     },
     showPrimaryKeyWarning () {
+      if (this.disabled) {
+        return false
+      }
       return this.columns.filter(c => c.primary_key).length === 0
     }
   },
diff --git a/dbrepo-ui/locales/en-US.json b/dbrepo-ui/locales/en-US.json
index 55a9692c2d4650d2fb3970322aafe026e2da8d10..2616ea1128bb0c4d7404f264d1985f367a98aa03 100644
--- a/dbrepo-ui/locales/en-US.json
+++ b/dbrepo-ui/locales/en-US.json
@@ -631,6 +631,9 @@
       "created": {
         "title": "Created"
       },
+      "id": {
+        "title": "ID"
+      },
       "connection": {
         "title": "Connection",
         "username": "username",
diff --git a/dbrepo-ui/pages/database/[database_id]/info.vue b/dbrepo-ui/pages/database/[database_id]/info.vue
index fc149bede3ded53660a058205536ba560acae83b..27faaee6f71ed21e4679190a53c0758060a8131a 100644
--- a/dbrepo-ui/pages/database/[database_id]/info.vue
+++ b/dbrepo-ui/pages/database/[database_id]/info.vue
@@ -45,6 +45,13 @@
                   :max-width="maxWidth"
                   :max-height="maxHeight" />
               </v-list-item>
+              <v-list-item
+                :title="$t('pages.database.id.title')"
+                density="compact">
+                <div>
+                  {{ database.id }}
+                </div>
+              </v-list-item>
               <v-list-item
                 :title="$t('pages.database.name.title')"
                 density="compact">
diff --git a/dbrepo-ui/pages/database/[database_id]/table/[table_id]/info.vue b/dbrepo-ui/pages/database/[database_id]/table/[table_id]/info.vue
index 18662f55ddf87daafb6d055a17d67f93fb2be737..84b06bd348b0818f95c73b877df2ab230a55d18a 100644
--- a/dbrepo-ui/pages/database/[database_id]/table/[table_id]/info.vue
+++ b/dbrepo-ui/pages/database/[database_id]/table/[table_id]/info.vue
@@ -24,6 +24,10 @@
       <v-card-text>
         <v-list
           dense>
+          <v-list-item
+            :title="$t('pages.table.id.title')">
+            {{ table.id }}
+          </v-list-item>
           <v-list-item
             :title="$t('pages.table.name.title')">
             {{ table.internal_name }}
diff --git a/dbrepo-ui/pages/database/[database_id]/table/create/dataset.vue b/dbrepo-ui/pages/database/[database_id]/table/create/dataset.vue
index 56db5fdc374cdfd683eb00328f86534cd9fd81bf..54d539ed17154c4235d7db9121463d1aab5ebd5e 100644
--- a/dbrepo-ui/pages/database/[database_id]/table/create/dataset.vue
+++ b/dbrepo-ui/pages/database/[database_id]/table/create/dataset.vue
@@ -155,12 +155,11 @@
             </v-stepper-header>
             <v-stepper-window
               direction="vertical">
-              <v-container
-                v-if="step >= 4">
+              <v-container>
                 <TableSchema
                   ref="schema"
                   :back="false"
-                  :disabled="step > 4"
+                  :disabled="step !== 4"
                   :loading="loading"
                   :submit-text="$t('navigation.continue')"
                   :columns="tableCreate.columns"
diff --git a/docker-compose.yml b/docker-compose.yml
index e3c665faeb6ebc37990a97c68706fdeb78117262..c462bcc375fa7af8b9239e6d50764e8075cb9c50 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -172,7 +172,7 @@ services:
       DELETED_RECORD: "${DELETED_RECORD:-persistent}"
       GRANULARITY: "${GRANULARITY:-YYYY-MM-DDThh:mm:ssZ}"
       JWT_PUBKEY: "${JWT_PUBKEY:-MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqqnHQ2BWWW9vDNLRCcxD++xZg/16oqMo/c1l+lcFEjjAIJjJp/HqrPYU/U9GvquGE6PbVFtTzW1KcKawOW+FJNOA3CGo8Q1TFEfz43B8rZpKsFbJKvQGVv1Z4HaKPvLUm7iMm8Hv91cLduuoWx6Q3DPe2vg13GKKEZe7UFghF+0T9u8EKzA/XqQ0OiICmsmYPbwvf9N3bCKsB/Y10EYmZRb8IhCoV9mmO5TxgWgiuNeCTtNCv2ePYqL/U0WvyGFW0reasIK8eg3KrAUj8DpyOgPOVBn3lBGf+3KFSYi+0bwZbJZWqbC/Xlk20Go1YfeJPRIt7ImxD27R/lNjgDO/MwIDAQAB}"
-      LOG_LEVEL: ${LOG_LEVEL:-info}
+      LOG_LEVEL: ${LOG_LEVEL:-trace}
       METADATA_DB: "${METADATA_DB:-dbrepo}"
       METADATA_DB_PASSWORD: "${METADATA_DB_PASSWORD:-dbrepo}"
       METADATA_HOST: "${METADATA_HOST:-metadata-db}"
@@ -187,6 +187,11 @@ services:
       S3_ENDPOINT: "${S3_ENDPOINT:-http://storage-service:9000}"
       S3_SECRET_ACCESS_KEY: "${S3_SECRET_ACCESS_KEY:-seaweedfsadmin}"
       SPARQL_CONNECTION_TIMEOUT: "${SPARQL_CONNECTION_TIMEOUT:-10000}"
+      DATACITE_URL: "https://api.test.datacite.org"
+      DATACITE_PREFIX: "10.82556"
+      DATACITE_USERNAME: "TUWIEN.DBREPO-TEST"
+      DATACITE_PASSWORD: "hDb$LR@zn2JUqCmJ7Egi"
+      SPRING_PROFILES_ACTIVE: "doi"
       SYSTEM_USERNAME: "${SYSTEM_USERNAME:-admin}"
       SYSTEM_PASSWORD: "${SYSTEM_PASSWORD:-admin}"
     healthcheck:
diff --git a/helm/dbrepo/files/create-event-listener.jar b/helm/dbrepo/files/create-event-listener.jar
index f31503187e5d377ac51672c2f92594a89c7b5844..56d571a6d093a8c8a56d0f7a480a7b385777127c 100644
Binary files a/helm/dbrepo/files/create-event-listener.jar and b/helm/dbrepo/files/create-event-listener.jar differ
diff --git a/lib/java/dbrepo-core/dependency-reduced-pom.xml b/lib/java/dbrepo-core/dependency-reduced-pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..b0e56184cf7914b3e18a4d177d855f7746ba98bc
--- /dev/null
+++ b/lib/java/dbrepo-core/dependency-reduced-pom.xml
@@ -0,0 +1,184 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <parent>
+    <artifactId>spring-boot-starter-parent</artifactId>
+    <groupId>org.springframework.boot</groupId>
+    <version>3.4.0</version>
+    <relativePath>../pom.xml/pom.xml</relativePath>
+  </parent>
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>at.ac.tuwien.ifs.dbrepo</groupId>
+  <artifactId>dbrepo-core</artifactId>
+  <name>dbrepo-core</name>
+  <version>1.8.2</version>
+  <description>Core library for DBRepo</description>
+  <url>https://www.ifs.tuwien.ac.at/infrastructures/dbrepo/1.8/</url>
+  <developers>
+    <developer>
+      <name>Martin Weise</name>
+      <email>martin.weise@tuwien.ac.at</email>
+      <organization>TU Wien</organization>
+    </developer>
+  </developers>
+  <licenses>
+    <license>
+      <name>Apache-2.0</name>
+      <url>http://www.apache.org/licenses/LICENSE-2.0.html</url>
+      <distribution>repo</distribution>
+    </license>
+  </licenses>
+  <organization>
+    <name>TU Wien</name>
+    <url>https://www.tuwien.ac.at</url>
+  </organization>
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <configuration>
+          <source>${java.version}</source>
+          <target>${java.version}</target>
+          <annotationProcessorPaths>
+            <path>
+              <groupId>org.projectlombok</groupId>
+              <artifactId>lombok</artifactId>
+              <version>${lombok.version}</version>
+            </path>
+            <path>
+              <groupId>org.mapstruct</groupId>
+              <artifactId>mapstruct-processor</artifactId>
+              <version>${mapstruct.version}</version>
+            </path>
+          </annotationProcessorPaths>
+        </configuration>
+      </plugin>
+      <plugin>
+        <artifactId>maven-shade-plugin</artifactId>
+        <version>3.6.0</version>
+        <executions>
+          <execution>
+            <phase>package</phase>
+            <goals>
+              <goal>shade</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+  <dependencies>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-validation</artifactId>
+      <version>3.4.0</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-web</artifactId>
+      <version>3.4.0</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-security</artifactId>
+      <version>3.4.0</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework.security</groupId>
+      <artifactId>spring-security-test</artifactId>
+      <version>6.4.1</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework.cloud</groupId>
+      <artifactId>spring-cloud-starter-bootstrap</artifactId>
+      <version>4.2.1</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-thymeleaf</artifactId>
+      <version>3.4.0</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-data-jpa</artifactId>
+      <version>3.4.0</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-actuator</artifactId>
+      <version>3.4.0</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.keycloak</groupId>
+      <artifactId>keycloak-common</artifactId>
+      <version>26.0.4</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.keycloak</groupId>
+      <artifactId>keycloak-admin-client</artifactId>
+      <version>26.0.4</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.mapstruct</groupId>
+      <artifactId>mapstruct-processor</artifactId>
+      <version>1.6.3</version>
+      <scope>provided</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>org.mapstruct</groupId>
+      <artifactId>mapstruct</artifactId>
+      <version>1.6.3</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.projectlombok</groupId>
+      <artifactId>lombok</artifactId>
+      <version>1.18.36</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.fasterxml.jackson.datatype</groupId>
+      <artifactId>jackson-datatype-jsr310</artifactId>
+      <version>2.15.0</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.fasterxml.jackson.datatype</groupId>
+      <artifactId>jackson-datatype-hibernate6</artifactId>
+      <version>2.15.0</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.springdoc</groupId>
+      <artifactId>springdoc-openapi-starter-webmvc-api</artifactId>
+      <version>2.8.5</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-test</artifactId>
+      <version>6.2.0</version>
+      <scope>provided</scope>
+    </dependency>
+  </dependencies>
+  <properties>
+    <maven.compiler.source>17</maven.compiler.source>
+    <keycloak.version>26.0.4</keycloak.version>
+    <spring-cloud.version>4.2.1</spring-cloud.version>
+    <maven.compiler.target>17</maven.compiler.target>
+    <jackson-datatype.version>2.15.0</jackson-datatype.version>
+    <mapstruct.version>1.6.3</mapstruct.version>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <springdoc-openapi.version>2.8.5</springdoc-openapi.version>
+  </properties>
+</project>