diff --git a/pkg/arvo/app/graph-push-hook.hoon b/pkg/arvo/app/graph-push-hook.hoon
index 94a83463be..019fded1fd 100644
--- a/pkg/arvo/app/graph-push-hook.hoon
+++ b/pkg/arvo/app/graph-push-hook.hoon
@@ -79,7 +79,7 @@
     =/  mark  (get-mark:gra rid)
     ?~  mark  `vas
     |^
-    =/  transform=$-([index:store post:store atom ?] [index:store post:store])
+    =/  transform
       !<  $-([index:store post:store atom ?] [index:store post:store])
       %.  !>(*indexed-post:store)
       .^(tube:clay (scry:hc %cc %home /[u.mark]/transform-add-nodes))
@@ -131,11 +131,12 @@
       =/  l  (lent index)
       =/  parent-modified=?
         %-  ~(rep in indices)
-        |=  [i=index:store out=?]
+        |=  [i=index:store out=_|]
         ?:  out  out
-        ?:  (lte l (lent i))
+        =/  k  (lent i)
+        ?:  (lte l k)
           %.n
-        =((swag [0 l] i) index)
+        =((swag [0 k] index) i)
       =/  [ind=index:store =post:store]
         (transform index post.node now.bowl parent-modified)
       :-  (~(put in indices) index)
diff --git a/pkg/arvo/mar/graph/validator/link.hoon b/pkg/arvo/mar/graph/validator/link.hoon
index 3d93723fea..6327d8448b 100644
--- a/pkg/arvo/mar/graph/validator/link.hoon
+++ b/pkg/arvo/mar/graph/validator/link.hoon
@@ -40,8 +40,8 @@
         [@ @ ~]  [i.index atom ~]
         [@ @ @ ~]
       ?:  was-parent-modified
-        [i.index atom atom ~]
-      [i.index i.t.index atom ~]
+        [i.index atom i.t.t.index ~]
+      index
     ==
   --
 ++  grab
diff --git a/pkg/arvo/mar/graph/validator/publish.hoon b/pkg/arvo/mar/graph/validator/publish.hoon
index b2511c245f..99eefe5c3d 100644
--- a/pkg/arvo/mar/graph/validator/publish.hoon
+++ b/pkg/arvo/mar/graph/validator/publish.hoon
@@ -41,15 +41,15 @@
     ::
         [@ %1 @ ~]
       ?:  was-parent-modified
-        [atom %1 atom ~]
-      [i.index %1 atom ~]
+        [atom %1 i.t.t.index ~]
+      index
     ::
         [@ %2 ~]      [atom %2 ~]
         [@ %2 @ ~]    [i.index %2 atom ~]
         [@ %2 @ @ ~]
       ?:  was-parent-modified
-        [i.index %2 atom atom ~]
-      [i.index %2 i.t.t.index atom ~]
+        [i.index %2 atom i.t.t.t.index ~]
+      index
     ==
   --
 ++  grab