diff --git a/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java b/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java
index ffe71aa03..853106cd8 100644
--- a/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java
+++ b/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java
@@ -420,7 +420,7 @@ public class MappersTest {
 		assertValidId(p.getCollectedfrom().get(0).getKey());
 		assertTrue(StringUtils.isNotBlank(p.getTitle().get(0).getValue()));
 		assertEquals(0, p.getAuthor().size());
-		assertEquals(0, p.getPid().size());
+		assertEquals(1, p.getPid().size());
 		assertEquals("OPEN", p.getBestaccessright().getClassid());
 		assertEquals("dataset", p.getResulttype().getClassname());
 		assertEquals(1, p.getInstance().size());
diff --git a/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/clean/terms.txt b/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/clean/terms.txt
index 67c070d1d..ba47aaf5c 100644
--- a/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/clean/terms.txt
+++ b/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/clean/terms.txt
@@ -1047,6 +1047,7 @@ dnet:pid_types @=@ dnet:pid_types @=@ urn @=@ urn
 dnet:pid_types @=@ dnet:pid_types @=@ who @=@ WHO Identifier
 dnet:pid_types @=@ dnet:pid_types @=@ drks @=@ DRKS Identifier
 dnet:pid_types @=@ dnet:pid_types @=@ handle @=@ Handle
+dnet:pid_types @=@ dnet:pid_types @=@ data.europa.eu @=@ EU Persistent URL
 dnet:topic_types @=@ dnet:topic_types @=@ ENRICH/MISSING/SUBJECT/ACM @=@ An ACM classification term that can be associated to your publications
 dnet:topic_types @=@ dnet:topic_types @=@ ENRICH/MISSING/SUBJECT/ARXIV @=@ An ARXIV classification term that can be associated to your publications
 dnet:topic_types @=@ dnet:topic_types @=@ ENRICH/MISSING/SUBJECT/DDC @=@ A Dewey Decimal classification term (DDC) that can be associated to your publications
diff --git a/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/raw/eu_odp.xml b/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/raw/eu_odp.xml
index 2fd7cfa2d..c363d026c 100644
--- a/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/raw/eu_odp.xml
+++ b/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/raw/eu_odp.xml
@@ -7,7 +7,7 @@
         <dri:recordIdentifier>60a0a5b0-b63c-473f-b8bc-207ea037eb3b</dri:recordIdentifier>
         <dri:dateOfCollection>2021-01-28T17:24:33.095+01:00</dri:dateOfCollection>
         <oaf:datasourceprefix>r3c4b2081b22</oaf:datasourceprefix>
-        <dr:dateOfTransformation>2021-02-03T10:16:27.948+01:00</dr:dateOfTransformation>
+        <dr:dateOfTransformation>2021-02-03T16:57:03.099+01:00</dr:dateOfTransformation>
     </oai:header>
     <oai:metadata>
         <datacite:resource
@@ -334,6 +334,7 @@
                 </datacite:geoLocation>
             </datacite:geoLocations>
         </datacite:resource>
+        <oaf:identifier identifierType="data.europa.eu">http://data.europa.eu/88u/dataset/60a0a5b0-b63c-473f-b8bc-207ea037eb3b</oaf:identifier>
         <oaf:country>EU</oaf:country>
         <oaf:accessrights>OPEN</oaf:accessrights>
         <dr:CobjCategory type="dataset">0021</dr:CobjCategory>