diff --git a/optimap/utils.py b/optimap/utils.py
index 9a95efa..bb60e7b 100644
--- a/optimap/utils.py
+++ b/optimap/utils.py
@@ -59,30 +59,30 @@
 
 # New example file names and hashes
 FILE_HASHES = {
-    # "Rabbit_Sinus_01.npy"
-    # "Rabbit_VF_01.npy"
-    # "Rabbit_Pacing_01.npy"
-    # "Rabbit_Pacing_02.npy"
-    # "Rabbit_Ratiometry_01.npy"
-
-    # "Example_01_Sinus.npy":
-    #     "sha256:5c692cca0459c931b7f767c27162a42b31e3df90a6aeac53bb182affa2135678",
-    # "Example_02_VF.npy":
-    #     "sha256:6252da91db434cad95758830fdf7c13a9db6793da30dd8e85e6878736e20787e",
+    "Sinus_Rabbit_1.npy":
+        "sha256:5c692cca0459c931b7f767c27162a42b31e3df90a6aeac53bb182affa2135678",
+    "VF_Rabbit_1.npy":
+        "sha256:e043bf88a1af6995d2b2208431ce36e4eea7204267df5d3fc4fc1e8f04f34769",
+    # "Pacing_Rabbit_1.npy"
+    "Dualchannel_1.zip":
+        "sha256:68761acc4a4fcf7df889074590d9fd57f034cdc8ab0d3c3a692416ceb0555868",
+    "Dualchannel_1.npy":
+        "sha256:908eebb35a9853f5a9b0ae1bb40df40fede600ed11a53ca17d7049ed8ac22268",
+    "Ratiometry_1.npy":
+        "sha256:10a59863ee23abc689d8ee4cd27542ef1b7b8b8eb5668a7f2dc49572f18319f2",
+    # warped version of VF_Rabbit_1, used to speed up documentation build
+    "VF_Rabbit_1_warped.npy":
+        "sha256:48f7e556ac6861e34dc42e0510523c8fdc57d6382e0beeead9555b184e92765d",
+    # used in mask tutorial
+    "VF_Rabbit_1_warped_mask.npy":
+        "sha256:3f5d8402c8251f3cb8e8d235b459264ff7e7e2cf2b81f08129f0897baa262db6",
+    # used in unit tests
+    "test-download-file.npy":
+        "sha256:0d3cfca36d8e3ad935de4d0681ddd510c1590212a99dccb196353c8ce85b7491",
     # "Example_03_Pacing.npy":
     #     "sha256:50113334e6955f5abb3658b5027447f507fd9eef6bfef766a628c2365ff848be",
     # "Example_04_Pacing.npy":
-    #     "sha256:674603f64ccf754f73a264986e0bf1ee93d03ce3a9ea88f248620632046e3c40",
-    # "Example_05_Ratiometry.npy":
-    #     "sha256:10a59863ee23abc689d8ee4cd27542ef1b7b8b8eb5668a7f2dc49572f18319f2",
-    # used in tests
-    "test-download-file.npy":
-        "sha256:0d3cfca36d8e3ad935de4d0681ddd510c1590212a99dccb196353c8ce85b7491",
-    # warped version of Example_02, used to speed up documentation build
-    # "Example_02_VF_warped.npy":
-    #     "sha256:a1781582b669a69a9753b1c43d23e0acf26fb372426eeb6d880d2e66420b2107",
-    # "Example_02_VF_warped_mask.npy":
-    #     "sha256:3f5d8402c8251f3cb8e8d235b459264ff7e7e2cf2b81f08129f0897baa262db6"
+    #     "sha256:674603f64ccf754f73a264986e0bf1ee93d03ce3a9ea88f248620632046e3c40","
 }