diff --git a/ng-app/src/apps/ContainerView.svelte b/ng-app/src/apps/ContainerView.svelte
index ba0ca0e..f244318 100644
--- a/ng-app/src/apps/ContainerView.svelte
+++ b/ng-app/src/apps/ContainerView.svelte
@@ -28,8 +28,8 @@
     function contained(graph) {
         let ret = [];
         for (const g of graph) {
-            if (g.substring(104,137) === "http://www.w3.org/ns/ldp#contains") {
-                let nuri = g.substring(140,240);
+            if (g.substring(57,90) === "http://www.w3.org/ns/ldp#contains") {
+                let nuri = g.substring(93,193);
                 let hash = nuri.substring(9,16);
                 ret.push({nuri,hash});
             }
diff --git a/ng-app/src/lib/panes/Files.svelte b/ng-app/src/lib/panes/Files.svelte
index 5ff03b5..f146c10 100644
--- a/ng-app/src/lib/panes/Files.svelte
+++ b/ng-app/src/lib/panes/Files.svelte
@@ -31,7 +31,7 @@
 
     let upload_progress: null | { total: number; current: number; error?: any } = null;
 
-    let commits = $active_session && branch_subscribe($cur_tab.branch.nuri, false);
+    let commits = $active_session && branch_subscribe($cur_tab.branch.nuri+":"+$cur_tab.store.overlay, false);
     let fileinput;
 
     let file_urls = {};
@@ -46,7 +46,7 @@
 
     const download = async (file) => {
       if (is_tauri) {
-        await ng.file_save_to_downloads($active_session.session_id, file.reference, file.name, "did:ng:"+$cur_tab.branch.nuri);
+        await ng.file_save_to_downloads($active_session.session_id, file.reference, file.name, "did:ng:"+$cur_tab.branch.nuri+":"+$cur_tab.store.overlay);
       } else {
         file_urls[file.nuri].url = await get_blob(file, false);
         //console.log(file.name);
@@ -144,7 +144,7 @@
         let start_request_payload = {
             RandomAccessFilePut: image.type,
         };
-        let nuri = "did:ng:"+$cur_tab.branch.nuri;
+        let nuri = "did:ng:"+$cur_tab.branch.nuri+":"+$cur_tab.store.overlay;
         let start_res = await ng.app_request_with_nuri_command(nuri, "FilePut", $active_session.session_id, start_request_payload);
         let upload_id = start_res.V0.FileUploading;
 
diff --git a/ng-app/src/lib/panes/History.svelte b/ng-app/src/lib/panes/History.svelte
index 0782396..ab2db91 100644
--- a/ng-app/src/lib/panes/History.svelte
+++ b/ng-app/src/lib/panes/History.svelte
@@ -55,7 +55,7 @@
                 commit: { message: { displayAuthor: false, displayHash: false } },
             }),
             });
-            let res = await ng.branch_history($active_session.session_id, "did:ng:"+$cur_tab.branch.nuri);
+            let res = await ng.branch_history($active_session.session_id, "did:ng:"+$cur_tab.branch.nuri+":"+$cur_tab.store.overlay);
             // for (const h of res.history) {
             //     console.log(h[0], h[1]);
             // }
@@ -75,7 +75,7 @@
                 onMessageClick:()=>openCommit(h[0])
             };}));
 
-            let branch = branch_subscribe($cur_tab.branch.nuri,false);
+            let branch = branch_subscribe($cur_tab.branch.nuri+":"+$cur_tab.store.overlay,false);
             unsub();
             unsub = branch.subscribe((b) => {
                 //console.log("subscription callbak",b.history.commits);
@@ -100,7 +100,7 @@
     });
 
     onDestroy( ()=>{ 
-        let branch = branch_subscribe($cur_tab.branch.nuri,false);
+        let branch = branch_subscribe($cur_tab.branch.nuri+":"+$cur_tab.store.overlay,false);
         get(branch).history.stop();
         unsub();
     });
diff --git a/ng-app/src/store.ts b/ng-app/src/store.ts
index 79f3c27..0038791 100644
--- a/ng-app/src/store.ts
+++ b/ng-app/src/store.ts
@@ -420,7 +420,7 @@ export const live_discrete_update = async (update, crdt, heads) => {
         });
         throw new Error("no session");
     }
-    let nuri = "did:ng:"+get(cur_tab).branch.nuri;
+    let nuri = "did:ng:"+get(cur_tab).doc.nuri+":"+get(cur_tab).store.overlay;
     await ng.discrete_update(session.session_id, update, heads, crdt, nuri);
 }
 
@@ -433,9 +433,9 @@ export const sparql_query = async function(sparql:string, union:boolean) {
         });
         throw new Error("no session");
     }
-    let base = "did:ng:"+get(cur_tab).branch.nuri;
-    console.log(base)
-    let nuri = union ? undefined : base;
+    let base = "did:ng:"+get(cur_tab).doc.nuri;
+    //console.log("BASE",base)
+    let nuri = union ? undefined : (base+":"+get(cur_tab).store.overlay);
     return await ng.sparql_query(session.session_id, sparql, base, nuri);
 }
 
@@ -448,7 +448,7 @@ export const sparql_update = async function(sparql:string) {
         });
         throw new Error("no session");
     }
-    let nuri = "did:ng:"+get(cur_tab).branch.nuri;
+    let nuri = "did:ng:"+get(cur_tab).doc.nuri+":"+get(cur_tab).store.overlay;
     await ng.sparql_update(session.session_id, sparql, nuri);
 }
 
@@ -723,7 +723,7 @@ export async function get_blob(ref: { nuri: string; reference: { key: any; id: a
         try {
             let final_blob;
             let content_type;
-            let branch_nuri = "did:ng:"+get(cur_tab).branch.nuri;
+            let branch_nuri = "did:ng:"+get(cur_tab).doc.nuri+":"+get(cur_tab).store.overlay;
             let cancel = await ng.file_get(get(active_session).session_id, ref.reference, branch_nuri, async (blob) => {
                 //console.log("GOT APP RESPONSE", blob);
                 if (blob.V0.FileMeta) {
diff --git a/ng-app/src/tab.ts b/ng-app/src/tab.ts
index 3a25a02..2368670 100644
--- a/ng-app/src/tab.ts
+++ b/ng-app/src/tab.ts
@@ -173,7 +173,8 @@ export const open_branch = (nuri: string, in_tab: boolean) => {
             if (!old[nuri]) {
                 //console.log("creating tab for ",nuri)
                 old[nuri] = JSON.parse(JSON.stringify(old[""]));
-                old[nuri].branch.nuri = nuri;
+                old[nuri].branch.nuri = nuri.substring(0,nuri.length-47); // we remove the ":v:[char;44]" part
+                old[nuri].store.overlay = nuri.substring(nuri.length-47); // and put it in store.overlay
             }
             return old;
         });
@@ -245,7 +246,7 @@ export const all_tabs = writable({
             can_edit: false,
         },
         branch: {
-            nuri: "", // :o:v or :o:v:b
+            nuri: "", // :o or :o:b
             readcap: "", // "r:"
             comment_branch: "", // nuri
             class: "",
diff --git a/ng-net/src/app_protocol.rs b/ng-net/src/app_protocol.rs
index bb607ef..653a9ca 100644
--- a/ng-net/src/app_protocol.rs
+++ b/ng-net/src/app_protocol.rs
@@ -259,6 +259,14 @@ impl NuriV0 {
         Ok(format!("{DID_PREFIX}:o:{repo_id}:u:{sko}"))
     }
 
+    pub fn repo(&self) -> String {
+        Self::repo_id(self.target.repo_id())
+    }
+
+    pub fn repo_id(repo_id: &RepoId) -> String {
+        format!("{DID_PREFIX}:o:{}", repo_id)
+    }
+
     pub fn overlay_id(overlay_id: &OverlayId) -> String {
         format!("{DID_PREFIX}:v:{overlay_id}")
     }
diff --git a/ng-net/src/broker.rs b/ng-net/src/broker.rs
index cb0d104..db466c6 100644
--- a/ng-net/src/broker.rs
+++ b/ng-net/src/broker.rs
@@ -29,7 +29,6 @@ use ng_repo::errors::*;
 use ng_repo::log::*;
 use ng_repo::types::*;
 
-use crate::actor::EActor;
 use crate::actor::SoS;
 use crate::connection::*;
 use crate::server_broker::IServerBroker;
diff --git a/ng-repo/src/event.rs b/ng-repo/src/event.rs
index 66933d9..c65a46b 100644
--- a/ng-repo/src/event.rs
+++ b/ng-repo/src/event.rs
@@ -16,7 +16,6 @@ use chacha20::ChaCha20;
 use zeroize::Zeroize;
 
 use crate::errors::*;
-use crate::log::*;
 use crate::repo::{BranchInfo, Repo};
 use crate::store::Store;
 use crate::types::*;
diff --git a/ng-sdk-js/app-node/index.js b/ng-sdk-js/app-node/index.js
index c0d89ab..bc599af 100644
--- a/ng-sdk-js/app-node/index.js
+++ b/ng-sdk-js/app-node/index.js
@@ -65,10 +65,10 @@ ng.init_headless(config).then( async() => {
         //await ng.sparql_update(session.session_id, "INSERT {  _:_ <did:ng:ok> <did:ng:v>  . } WHERE { _:_ <did:ng:m> <did:ng:n>  } ");
         //await ng.sparql_update(session.session_id, "INSERT DATA {  _:_ <abc:a> <d:a>  .  _:_a <abceee:a> <d:a>  . }");
         
-        //await ng.sparql_update(session.session_id, "INSERT DATA {  <> <a:self> <a:self>  . }",base);
+        await ng.sparql_update(session.session_id, "INSERT DATA {  <> <a:selftest> <a:selftest>  . }",base);
 
-        await ng.sparql_update(session.session_id, "INSERT DATA { <did:ng:TEST4>  <did:ng:j> _:_  .   _:_ <did:ng:m> <did:ng:n>  . }");
-        await ng.sparql_update(session.session_id, "INSERT DATA {  <did:ng:TEST5> <did:ng:j> [ <did:ng:m> <did:ng:n> ]. }");
+        //await ng.sparql_update(session.session_id, "INSERT DATA { <did:ng:TEST4>  <did:ng:j> _:_  .   _:_ <did:ng:m> <did:ng:n>  . }");
+        //await ng.sparql_update(session.session_id, "INSERT DATA {  <did:ng:TEST5> <did:ng:j> [ <did:ng:m> <did:ng:n> ]. }");
 
         sparql_result = await ng.sparql_query(session.session_id, "SELECT ?a WHERE { ?a <did:ng:j> _:abc. _:abc <did:ng:m> <did:ng:n>  }", base);
         console.log(sparql_result);
diff --git a/ng-sdk-js/src/lib.rs b/ng-sdk-js/src/lib.rs
index e06a28f..b0e39fc 100644
--- a/ng-sdk-js/src/lib.rs
+++ b/ng-sdk-js/src/lib.rs
@@ -375,7 +375,9 @@ pub async fn sparql_update(
 
     let (nuri, base) = if nuri.is_string() {
         let n = nuri.as_string().unwrap();
-        (NuriV0::new_from(&n).map_err(|e| e.to_string())?, Some(n))
+        let nuri = NuriV0::new_from(&n).map_err(|e| e.to_string())?;
+        let b = nuri.repo();
+        (nuri, Some(b))
     } else {
         (NuriV0::new_private_store_target(), None)
     };
diff --git a/ng-verifier/src/request_processor.rs b/ng-verifier/src/request_processor.rs
index 7ba42cf..226db1e 100644
--- a/ng-verifier/src/request_processor.rs
+++ b/ng-verifier/src/request_processor.rs
@@ -269,8 +269,7 @@ impl Verifier {
                     let overlay_id = doc_create.store.outer_overlay();
                     let nuri = NuriV0::repo_graph_name(&repo_id, &overlay_id);
                     let store_nuri = NuriV0::from_store_repo(&doc_create.store);
-                    let store_nuri_string =
-                        NuriV0::repo_graph_name(doc_create.store.repo_id(), &overlay_id);
+                    let store_nuri_string = NuriV0::repo_id(doc_create.store.repo_id());
                     let query = format!("INSERT DATA {{ <{store_nuri_string}> <http://www.w3.org/ns/ldp#contains> <{nuri}>. }}");
 
                     let ret = self