diff --git a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/crossref/Crossref2Oaf.scala b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/crossref/Crossref2Oaf.scala
index 096217a55..4b67e08f2 100644
--- a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/crossref/Crossref2Oaf.scala
+++ b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/crossref/Crossref2Oaf.scala
@@ -1,6 +1,7 @@
 package eu.dnetlib.doiboost.crossref
 
 import eu.dnetlib.dhp.schema.oaf._
+import eu.dnetlib.dhp.schema.oaf.utils.IdentifierFactory
 import eu.dnetlib.dhp.utils.DHPUtils
 import eu.dnetlib.doiboost.DoiBoostMappingUtil._
 import org.apache.commons.lang.StringUtils
@@ -96,7 +97,12 @@ case object Crossref2Oaf {
     result.setOriginalId(tmp.filter(id => id != null).asJava)
 
     //Set identifier as 50 | doiboost____::md5(DOI)
+
+    //IMPORTANT
+    //The old method result.setId(generateIdentifier(result, doi))
+    //will be replaced using IdentifierFactory
     result.setId(generateIdentifier(result, doi))
+    result.setId(IdentifierFactory.createIdentifier(result))
 
     // Add DataInfo
     result.setDataInfo(generateDataInfo())
diff --git a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/mag/MagDataModel.scala b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/mag/MagDataModel.scala
index 7bb4686cf..e0ff27421 100644
--- a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/mag/MagDataModel.scala
+++ b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/mag/MagDataModel.scala
@@ -1,6 +1,7 @@
 package eu.dnetlib.doiboost.mag
 
 
+import eu.dnetlib.dhp.schema.oaf.utils.IdentifierFactory
 import eu.dnetlib.dhp.schema.oaf.{Instance, Journal, Publication, StructuredProperty}
 import eu.dnetlib.doiboost.DoiBoostMappingUtil
 import org.json4s
@@ -190,8 +191,11 @@ case object ConversionUtil {
     pub.setPid(List(createSP(paper.Doi.toLowerCase, "doi", PID_TYPES)).asJava)
     pub.setOriginalId(List(paper.PaperId.toString, paper.Doi.toLowerCase).asJava)
 
-    //Set identifier as 50|doiboost____::md5(DOI)
+    //IMPORTANT
+    //The old method result.setId(generateIdentifier(result, doi))
+    //will be replaced using IdentifierFactory
     pub.setId(generateIdentifier(pub, paper.Doi.toLowerCase))
+    pub.setId(IdentifierFactory.createIdentifier(pub))
 
     val mainTitles = createSP(paper.PaperTitle, "main title", "dnet:dataCite_title")
     val originalTitles = createSP(paper.OriginalTitle, "alternative title", "dnet:dataCite_title")
diff --git a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/orcid/ORCIDToOAF.scala b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/orcid/ORCIDToOAF.scala
index f230c604f..1e01ed16d 100644
--- a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/orcid/ORCIDToOAF.scala
+++ b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/orcid/ORCIDToOAF.scala
@@ -1,5 +1,6 @@
 package eu.dnetlib.doiboost.orcid
 
+import eu.dnetlib.dhp.schema.oaf.utils.IdentifierFactory
 import eu.dnetlib.dhp.schema.oaf.{Author, Publication}
 import eu.dnetlib.doiboost.DoiBoostMappingUtil
 import eu.dnetlib.doiboost.DoiBoostMappingUtil.{ORCID, PID_TYPES, createSP, generateDataInfo, generateIdentifier}
@@ -48,7 +49,14 @@ object ORCIDToOAF {
     val pub:Publication = new Publication
     pub.setPid(List(createSP(doi, "doi", PID_TYPES)).asJava)
     pub.setDataInfo(generateDataInfo())
+
+    //IMPORTANT
+    //The old method pub.setId(IdentifierFactory.createIdentifier(pub))
+    //will be replaced using IdentifierFactory
     pub.setId(generateIdentifier(pub, doi.toLowerCase))
+    pub.setId(IdentifierFactory.createIdentifier(pub))
+
+
     try{
       pub.setAuthor(input.authors.map(a=> {
         generateAuthor(a.name, a.surname, a.creditName, a.oid)
diff --git a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/uw/UnpayWallToOAF.scala b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/uw/UnpayWallToOAF.scala
index 08cd4ee8e..c368c45a3 100644
--- a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/uw/UnpayWallToOAF.scala
+++ b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/uw/UnpayWallToOAF.scala
@@ -1,5 +1,6 @@
 package eu.dnetlib.doiboost.uw
 
+import eu.dnetlib.dhp.schema.oaf.utils.IdentifierFactory
 import eu.dnetlib.dhp.schema.oaf.{Instance, Publication}
 import org.json4s
 import org.json4s.DefaultFormats
@@ -33,7 +34,13 @@ object UnpayWallToOAF {
 
     val oaLocation:OALocation = (json \ "best_oa_location").extractOrElse[OALocation](null)
     pub.setPid(List(createSP(doi, "doi", PID_TYPES)).asJava)
+
+    //IMPORTANT
+    //The old method pub.setId(IdentifierFactory.createIdentifier(pub))
+    //will be replaced using IdentifierFactory
     pub.setId(generateIdentifier(pub, doi.toLowerCase))
+    pub.setId(IdentifierFactory.createIdentifier(pub))
+
 
     pub.setCollectedfrom(List(createUnpayWallCollectedFrom()).asJava)
     pub.setDataInfo(generateDataInfo())