diff --git a/landingPages/landing-utils/parsingFunctions.class.ts b/landingPages/landing-utils/parsingFunctions.class.ts
index 3093baac..45d8b586 100644
--- a/landingPages/landing-utils/parsingFunctions.class.ts
+++ b/landingPages/landing-utils/parsingFunctions.class.ts
@@ -599,7 +599,8 @@ export class ParsingFunctions {
       if (pid.classid == "doi" || pid.classid == "pmc" || pid.classid == "handle" || pid.classid == "pmid" || pid.classid == "re3data"
         || pid.classid == "swhid"
         || pid.classid == "ROR" || pid.classid == "ISNI" || pid.classid == "Wikidata" || pid.classid == "FundRef"
-        || pid.classid == "RRID") {
+        || pid.classid == "RRID"
+        || pid.classid == "arXiv") {
         if (!identifiers.has(pid.classid)) {
           identifiers.set(pid.classid, new Array<string>());
         }
@@ -610,7 +611,8 @@ export class ParsingFunctions {
         if (pid[i].classid == "doi" || pid[i].classid == "pmc" || pid[i].classid == "handle" || pid[i].classid == "pmid" || pid[i].classid == "re3data"
           || pid[i].classid == "swhid"
           || pid[i].classid == "ROR" || pid[i].classid == "ISNI" || pid[i].classid == "Wikidata" || pid[i].classid == "FundRef"
-          || pid[i].classid == "RRID") {
+          || pid[i].classid == "RRID"
+          || pid[i].classid == "arXiv") {
           if (!identifiers.has(pid[i].classid)) {
             identifiers.set(pid[i].classid, new Array<string>());
           }
diff --git a/landingPages/landing-utils/showIdentifiers.component.ts b/landingPages/landing-utils/showIdentifiers.component.ts
index 0d5f0219..6a88a8b8 100644
--- a/landingPages/landing-utils/showIdentifiers.component.ts
+++ b/landingPages/landing-utils/showIdentifiers.component.ts
@@ -27,7 +27,8 @@ import {properties} from "../../../../environments/environment";
                 <span [class.uk-margin-small-left]="modal">
                   <ng-container *ngFor="let item of identifiers.get(key) let j=index">
                     <a *ngIf="key == 'doi' || key == 'pmc' || key == 'pmid' || key == 'handle' || key == 're3data' || key == 'swhid' 
-                              || key == 'ROR' || key == 'ISNI' || key == 'Wikidata' || key == 'FundRef' || key == 'RRID'"
+                              || key == 'ROR' || key == 'ISNI' || key == 'Wikidata' || key == 'FundRef' || key == 'RRID' 
+                              || key == 'arXiv'"
                        [href]="getUrl(key, item) + item" target="_blank" class="uk-display-inline-block custom-external">
                       {{item}}
                     </a>
@@ -140,6 +141,8 @@ export class ShowIdentifiersComponent implements AfterViewInit {
      return properties.fundRefURL;
    } else if(key == "RRID") {
      return properties.rridURL;
+   } else if(key == "arXiv") {
+     return properties.arxivURL;
    }
   }
 
diff --git a/utils/properties/env-properties.ts b/utils/properties/env-properties.ts
index af63c8b2..cf9a8c2a 100644
--- a/utils/properties/env-properties.ts
+++ b/utils/properties/env-properties.ts
@@ -53,6 +53,7 @@ export interface EnvProperties {
   wikiDataURL?: string;
   fundRefURL?: string;
   rridURL?: string;
+  arxivURL?: string;
   fairSharingURL?: string,
   openScienceCloudURL?: string,
   eoscMarketplaceURL?: string,
diff --git a/utils/properties/environments/environment.ts b/utils/properties/environments/environment.ts
index cd8e28cf..f8aebfd1 100644
--- a/utils/properties/environments/environment.ts
+++ b/utils/properties/environments/environment.ts
@@ -26,6 +26,7 @@ export let common: EnvProperties = {
   wikiDataURL: "https://www.wikidata.org/wiki/",
   fundRefURL: "https://data.crossref.org/fundingdata/funder/",
   rridURL: "https://scicrunch.org/resolver/",
+  arxivURL: "https://arxiv.org/abs/",
   fairSharingURL: "https://fairsharing.org/",
   openScienceCloudURL: "https://open-science-cloud.ec.europa.eu/resources/services/",
   sherpaURL: "http://sherpa.ac.uk/romeo/issn/",
diff --git a/utils/string-utils.class.ts b/utils/string-utils.class.ts
index 75d12faf..e186f303 100644
--- a/utils/string-utils.class.ts
+++ b/utils/string-utils.class.ts
@@ -150,7 +150,7 @@ export class DOI {
 }
 
 export class Identifier {
-  class: "doi" | "pmc" | "pmid" | "handle" | "ORCID" | "re3data" | "swhid" | "ror" | "wikidata" | "fundref" | "isni" | "RRID" = null;
+  class: "doi" | "pmc" | "pmid" | "handle" | "ORCID" | "re3data" | "swhid" | "ror" | "wikidata" | "fundref" | "isni" | "RRID" | "arXiv" = null;
   id: string;
   
   public static getDOIsFromString(str: string): string[] {
@@ -215,13 +215,15 @@ export class Identifier {
       return {"class": "isni", "id": pid};
     } else if(Identifier.isValidRrid(pid)) {
       return {"class": "RRID", "id": pid};
+    } else if(Identifier.isValidArxiv(pid)) {
+      return {"class": "arXiv", "id": pid};
     }
     //set it as a doi, to catch the case that doi has not valid format
     return (strict?null:{"class": "doi", "id": pid});
   }
 
   public static getPIDFromIdentifiers(identifiers: Map<string, string[]>): Identifier {
-    let classes:string [] = ["doi", "handle", "pmc", "pmid", "re3data", "swhid", "ror", "wikidata", "fundref", "isni", "rrid"];
+    let classes:string [] = ["doi", "handle", "pmc", "pmid", "re3data", "swhid", "ror", "wikidata", "fundref", "isni", "rrid", "arXiv"];
     if(identifiers && identifiers.size > 0) {
       for (let cl of classes) {
         if (identifiers.get(cl)) {
@@ -309,6 +311,14 @@ export class Identifier {
     let exp = /^RRID:.*$/g;
     return str.match(exp) != null;
   }
+
+  public static isValidArxiv(str: string): boolean {
+    // YYMM.NNNNN
+    // YYMM.NNNN
+    // arch-ive/YYMMNNN - hep-th/
+    let exp = /^([0-9]{2}(0[1-9]|1[0-2])\.[0-9]{3,4})|hep-th\/([0-9]{2}(0[1-9]|1[0-2])[0-9]{3})\w+$/g;
+    return str.match(exp) != null;
+  }
 }
 
 export class StringUtils {