diff --git a/dials_data/hashinfo/experiment_test_data.yml b/dials_data/hashinfo/experiment_test_data.yml
new file mode 100644
index 00000000..3a04e92f
--- /dev/null
+++ b/dials_data/hashinfo/experiment_test_data.yml
@@ -0,0 +1,31 @@
+definition: c8af44259a63555abf31533ee4de829ac4e0dbb7e3f4a1d4b510116a033b99a8
+formatversion: 1
+verify:
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+  size: 244
+- hash: 0b8733520c4dd8ae3a72471fd8988f3f4d96c4623f22251ce219b3e46452ebe7
+  size: 341
+- hash: 63317186842c54744ff3d438cd20f3c1b844843c8a3d1b94de6741311dddead3
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