diff --git a/u6/4-/u64-id b/u6/4-/u64-id
new file mode 100644
index 00000000000..28cae5bfae2
--- /dev/null
+++ b/u6/4-/u64-id
@@ -0,0 +1 @@
+{"name":"u64-id","vers":"0.1.0","deps":[{"name":"rand","req":"^0.8.5","features":[],"optional":true,"default_features":true,"target":null,"kind":"normal"},{"name":"serde","req":"^1.0.198","features":["derive"],"optional":true,"default_features":true,"target":null,"kind":"normal"}],"cksum":"097e1ecde741dae0c2ad5a73b8f04b3326afee0105fe0e687a966030a917ad5f","features":{"default":["rand","serde"]},"yanked":false}