diff -r 7b2dcd2b31c1 -r 74fba571487e cms/app-client/app/services/constants.js
--- a/cms/app-client/app/services/constants.js	Mon Feb 06 16:05:02 2017 +0100
+++ b/cms/app-client/app/services/constants.js	Wed Feb 08 15:25:24 2017 +0100
@@ -323,6 +323,8 @@
     "video/mpeg": 15
 };
 
+const COCOON_PURL_BASE_URL = 'http://purl.org/poi/crdo.vjf.cnrs.fr/';
+
 export default Ember.Service.extend({
   OLAC_ROLES: OLAC_ROLES,
   DISCOURSE_CATEGORY_KEYS: DISCOURSE_CATEGORY_KEYS,
@@ -334,5 +336,6 @@
   LANGUAGES_TREEMAP: LANGUAGES_TREEMAP,
   DOCUMENTS_PAGINATION_PERPAGE : DOCUMENTS_PAGINATION_PERPAGE,
   AUTOSCROLL_RATE: AUTOSCROLL_RATE,
-  MEDIA_TYPE_WEIGHT: MEDIA_TYPE_WEIGHT
+  MEDIA_TYPE_WEIGHT: MEDIA_TYPE_WEIGHT,
+  COCOON_PURL_BASE_URL: COCOON_PURL_BASE_URL
 });