diff --git a/recipes/dog-concat/recipe.sexp b/recipes/dog-concat/recipe.sexp
index 67921e8..227e710 100644
--- a/recipes/dog-concat/recipe.sexp
+++ b/recipes/dog-concat/recipe.sexp
@@ -13,7 +13,7 @@
     :url "https://rose-ash.com/content/images/2026/01/cat.jpg")
 
   (effect identity
-    :cid "640ea11ee881ebf4101af0a955439105ab11e763682b209e88ea08fc66e1cc03"
+    :cid "QmcWhw6wbHr1GDmorM2KDz8S3yCGTfjuyPR6y8khS2tvko"
     :url "https://github.com/gilesbradshaw/art-dag/tree/main/effects/identity")
 
   (effect dog
diff --git a/recipes/dog-invert-concat/recipe.sexp b/recipes/dog-invert-concat/recipe.sexp
index fc0da40..59c6228 100644
--- a/recipes/dog-invert-concat/recipe.sexp
+++ b/recipes/dog-invert-concat/recipe.sexp
@@ -12,7 +12,7 @@
     :cid "QmXrj6tSSn1vQXxxEY2Tyoudvt4CeeqR9gGQwSt7WFrhMZ")
 
   (effect identity
-    :cid "640ea11ee881ebf4101af0a955439105ab11e763682b209e88ea08fc66e1cc03")
+    :cid "QmcWhw6wbHr1GDmorM2KDz8S3yCGTfjuyPR6y8khS2tvko")
 
   (effect dog
     :cid "QmT99H4MC5p18MGuxAeKGeXD71cGCzMNRxFfvt4FuCwpn6")
diff --git a/recipes/identity-cat/recipe.sexp b/recipes/identity-cat/recipe.sexp
index fb19baf..bd5b593 100644
--- a/recipes/identity-cat/recipe.sexp
+++ b/recipes/identity-cat/recipe.sexp
@@ -13,7 +13,7 @@
     :url "https://rose-ash.com/content/images/2026/01/cat.jpg")
 
   (effect identity
-    :cid "640ea11ee881ebf4101af0a955439105ab11e763682b209e88ea08fc66e1cc03"
+    :cid "QmcWhw6wbHr1GDmorM2KDz8S3yCGTfjuyPR6y8khS2tvko"
     :url "https://github.com/gilesbradshaw/art-dag/tree/main/effects/identity")
 
   ; DAG: source → effect
diff --git a/recipes/identity-then-dog/recipe.sexp b/recipes/identity-then-dog/recipe.sexp
index 2bef748..e299ef1 100644
--- a/recipes/identity-then-dog/recipe.sexp
+++ b/recipes/identity-then-dog/recipe.sexp
@@ -13,7 +13,7 @@
     :url "https://rose-ash.com/content/images/2026/01/cat.jpg")
 
   (effect identity
-    :cid "640ea11ee881ebf4101af0a955439105ab11e763682b209e88ea08fc66e1cc03"
+    :cid "QmcWhw6wbHr1GDmorM2KDz8S3yCGTfjuyPR6y8khS2tvko"
     :url "https://github.com/gilesbradshaw/art-dag/tree/main/effects/identity")
 
   (effect dog