diff --git a/packages/org.gamecult.eve.unity-scene/Runtime/CultMesh/EveUnityCultMeshLiveProviderTransport.cs b/packages/org.gamecult.eve.unity-scene/Runtime/CultMesh/EveUnityCultMeshLiveProviderTransport.cs
index c887f2b..80db713 100644
--- a/packages/org.gamecult.eve.unity-scene/Runtime/CultMesh/EveUnityCultMeshLiveProviderTransport.cs
+++ b/packages/org.gamecult.eve.unity-scene/Runtime/CultMesh/EveUnityCultMeshLiveProviderTransport.cs
@@ -1626,6 +1626,7 @@ namespace GameCult.Eve.UnityScene
             string.Equals(receipt.ProviderId, request.ProviderId, StringComparison.Ordinal) &&
             string.Equals(receipt.SurfaceId, request.SurfaceId, StringComparison.Ordinal) &&
             string.Equals(receipt.Authority, _target.AuthorityRuntimeId, StringComparison.Ordinal) &&
+            string.Equals(receipt.InvocationHash, EveCommandInvocationHash.Compute(request), StringComparison.Ordinal) &&
             IsKnownReceiptState(receipt.State);
 
         private static bool IsKnownReceiptState(string state) =>
diff --git a/packages/org.gamecult.eve.unity-scene/Tests/Editor/EveUnityCultMeshAssetLookupTests.cs b/packages/org.gamecult.eve.unity-scene/Tests/Editor/EveUnityCultMeshAssetLookupTests.cs
index 2e15172..1e8769a 100644
--- a/packages/org.gamecult.eve.unity-scene/Tests/Editor/EveUnityCultMeshAssetLookupTests.cs
+++ b/packages/org.gamecult.eve.unity-scene/Tests/Editor/EveUnityCultMeshAssetLookupTests.cs
@@ -187,6 +187,47 @@ namespace GameCult.Eve.UnityScene.Tests
             Assert.That(observed.Select(value => value.State), Is.EqualTo(new[] { "pending", "accepted" }));
         }
 
+        [Test]
+        public void ReceiptForAnotherInvocationCannotRetireTheCommand()
+        {
+            using var transport = new EveUnityCultMeshLiveProviderTransport(
+                "test-cache",
+                "cultnet+tcp://127.0.0.1:1",
+                "test.verse",
+                "test.runtime",
+                "test.provider",
+                "test.surface");
+            var request = Request("launch-1", "launch");
+            var pendingField = typeof(EveUnityCultMeshLiveProviderTransport).GetField(
+                "_pendingCommands",
+                BindingFlags.NonPublic | BindingFlags.Instance);
+            var publish = typeof(EveUnityCultMeshLiveProviderTransport).GetMethod(
+                "PublishReceipt",
+                BindingFlags.NonPublic | BindingFlags.Instance);
+            var pending = (IDictionary<string, EveSurfaceCommandRequest>)pendingField!.GetValue(transport)!;
+            pending.Add(request.CommandId, request);
+            var observed = new List<EveUnitySceneCommandReceipt>();
+            transport.CommandReceiptAvailable += observed.Add;
+            var collision = new EveCommandReceiptDocument(
+                "receipt-collision",
+                request.CommandId,
+                request.Command,
+                "accepted",
+                "AetheriaEve",
+                "test.runtime",
+                request.ProviderId,
+                request.SurfaceId,
+                "",
+                DateTimeOffset.UtcNow.ToString("O"),
+                1,
+                invocationHash: EveCommandInvocationHash.Compute(Request(request.CommandId, "another-payload")));
+
+            publish!.Invoke(transport, new object[] { collision });
+
+            Assert.That(pending.ContainsKey(request.CommandId), Is.True);
+            Assert.That(observed, Is.Empty);
+        }
+
         [Test]
         public void ProviderSelectionCarriesStableIdentityWithoutExposingAPhysicalRoute()
         {
@@ -248,7 +289,8 @@ namespace GameCult.Eve.UnityScene.Tests
                 request.SurfaceId,
                 "",
                 DateTimeOffset.UtcNow.ToString("O"),
-                1);
+                1,
+                invocationHash: EveCommandInvocationHash.Compute(request));
 
         private static async Task AwaitOrCancel(Task task, CancellationToken cancellationToken)
         {
diff --git a/packages/org.gamecult.eve.unity-scene/package.json b/packages/org.gamecult.eve.unity-scene/package.json
index 9397238..0ed478c 100644
--- a/packages/org.gamecult.eve.unity-scene/package.json
+++ b/packages/org.gamecult.eve.unity-scene/package.json
@@ -1,14 +1,14 @@
 {
     "name": "org.gamecult.eve.unity-scene",
     "displayName": "Eve Unity Scene Lowering",
-    "version": "0.3.122",
+    "version": "0.3.124",
     "unity": "6000.0",
     "description": "Provider-agnostic Unity scene shell for gamecult.eve.surface.v1 interactive world surfaces.",
     "dependencies": {
         "org.gamecult.cultlib": "1.0.56",
         "org.gamecult.eve.plugin-fields": "0.2.3",
-        "org.gamecult.eve.surface": "0.3.3",
-        "org.gamecult.eve.unity-uitoolkit": "0.1.7",
+        "org.gamecult.eve.surface": "0.3.5",
+        "org.gamecult.eve.unity-uitoolkit": "0.1.9",
         "com.unity.mathematics": "1.3.2",
         "com.unity.render-pipelines.universal": "17.4.0",
         "com.unity.modules.particlesystem": "1.0.0"
diff --git a/packages/org.gamecult.eve.unity-uitoolkit/package.json b/packages/org.gamecult.eve.unity-uitoolkit/package.json
index 575f427..947a5fb 100644
--- a/packages/org.gamecult.eve.unity-uitoolkit/package.json
+++ b/packages/org.gamecult.eve.unity-uitoolkit/package.json
@@ -1,11 +1,11 @@
 {
     "name": "org.gamecult.eve.unity-uitoolkit",
     "displayName": "Eve UI Toolkit Lowering",
-    "version": "0.1.7",
+    "version": "0.1.9",
     "unity": "2021.3",
     "description": "Unity UI Toolkit lowering for gamecult.eve.surface.v1 documents.",
     "dependencies": {
-        "org.gamecult.eve.surface": "0.3.3"
+        "org.gamecult.eve.surface": "0.3.5"
     },
     "keywords": [
         "Eve",