diff --git a/cypress/integration/persistent-identifiers.spec.js b/cypress/integration/persistent-identifiers.spec.js
--- a/cypress/integration/persistent-identifiers.spec.js
+++ b/cypress/integration/persistent-identifiers.spec.js
@@ -256,4 +256,15 @@
     }
   });
 
+  it('should be possible to retrieve SWHIDs context from JavaScript', function() {
+    cy.window().then(win => {
+      const swhIdsContext = win.swh.webapp.getSwhIdsContext();
+      for (let testData of testsData) {
+        assert.isTrue(swhIdsContext.hasOwnProperty(testData.objectType));
+        assert.equal(swhIdsContext[testData.objectType].swh_id,
+                     testData.objectPids.slice(-1)[0]);
+      }
+    });
+  });
+
 });
diff --git a/swh/web/assets/src/bundles/webapp/webapp-utils.js b/swh/web/assets/src/bundles/webapp/webapp-utils.js
--- a/swh/web/assets/src/bundles/webapp/webapp-utils.js
+++ b/swh/web/assets/src/bundles/webapp/webapp-utils.js
@@ -289,3 +289,16 @@
 export function getBrowsedSwhObjectMetadata() {
   return browsedSwhObjectMetadata;
 }
+
+let swhIdsContext = {};
+
+export function setSwhIdsContext(context) {
+  swhIdsContext = {};
+  for (let swhid of context) {
+    swhIdsContext[swhid.object_type] = swhid;
+  }
+}
+
+export function getSwhIdsContext() {
+  return swhIdsContext;
+}
diff --git a/swh/web/templates/includes/show-swh-ids.html b/swh/web/templates/includes/show-swh-ids.html
--- a/swh/web/templates/includes/show-swh-ids.html
+++ b/swh/web/templates/includes/show-swh-ids.html
@@ -100,4 +100,7 @@
       </div>
     </div>
   </div>
+  <script>
+    swh.webapp.setSwhIdsContext({{ swh_ids|jsonify }});
+  </script>
 {% endif %}