diff --git a/src/OpenAC.MosswartMassacre/Inventory/InventoryFeature.cs b/src/OpenAC.MosswartMassacre/Inventory/InventoryFeature.cs
index f30b222..d5dd032 100644
--- a/src/OpenAC.MosswartMassacre/Inventory/InventoryFeature.cs
+++ b/src/OpenAC.MosswartMassacre/Inventory/InventoryFeature.cs
@@ -424,7 +424,10 @@ internal sealed class InventoryFeature : IMmFeature
         try
         {
             if (change.Kind == PluginObjectChangeKind.IdentReceived)
+            {
+                _reader.NoteAppraisal(change.ObjectId);
                 _identify.OnIdentReceived(change.ObjectId);
+            }
 
             PluginWorldObject? current = change.Current;
             if (change.Kind == PluginObjectChangeKind.Released
diff --git a/src/OpenAC.MosswartMassacre/Inventory/InventoryReader.cs b/src/OpenAC.MosswartMassacre/Inventory/InventoryReader.cs
index 032c573..c5712bb 100644
--- a/src/OpenAC.MosswartMassacre/Inventory/InventoryReader.cs
+++ b/src/OpenAC.MosswartMassacre/Inventory/InventoryReader.cs
@@ -57,6 +57,16 @@ internal sealed class InventoryReader
         && world.HasAppraisalData
         && world.LastIdTime != 0;
 
+    /// <summary>
+    /// Stamps an appraisal as it arrives, so the record carries the time it
+    /// came in rather than the time the record was first built.
+    /// </summary>
+    public void NoteAppraisal(uint objectId)
+    {
+        if (_context.Automation.Objects.TryGet(objectId, out PluginWorldObject world) && world.LastIdTime != 0)
+            Stamp(objectId, world.LastIdTime);
+    }
+
     /// <summary>The item record for one owned item, as it stands now.</summary>
     public MyWorldObject Build(in PluginInventoryItem item)
     {
diff --git a/tests/OpenAC.MosswartMassacre.Tests/Inventory/InventoryFeatureTests.cs b/tests/OpenAC.MosswartMassacre.Tests/Inventory/InventoryFeatureTests.cs
index e283ed5..a659950 100644
--- a/tests/OpenAC.MosswartMassacre.Tests/Inventory/InventoryFeatureTests.cs
+++ b/tests/OpenAC.MosswartMassacre.Tests/Inventory/InventoryFeatureTests.cs
@@ -252,4 +252,22 @@ public sealed class InventoryFeatureTests
 
         Assert.Empty(harness.FramesOfTypeRaw("full_inventory"));
     }
+
+    [Fact]
+    public void The_appraisal_time_is_the_wall_clock_when_the_appraisal_arrived()
+    {
+        using var harness = new PluginHarness("Mossy");
+        InventoryFeature feature = LoginAndSettle(harness);
+        Own(harness.Host, Tachi(appraised: false));
+        Raise(harness.Host, 0x80000202u, PluginObjectChangeKind.Created);
+
+        Own(harness.Host, Tachi(appraised: true), TachiProps(), hostIdTime: 5000);
+        Raise(harness.Host, 0x80000202u, PluginObjectChangeKind.IdentReceived);
+        harness.Clock.Advance(TimeSpan.FromMinutes(3));
+        harness.Frames.Clear();
+        feature.FlushDirtyItems();
+
+        JObject update = JObject.Parse(harness.FramesOfTypeRaw("inventory_delta").Single());
+        Assert.Equal(1790325015, (int)update["item"]!["LastIdTime"]!);
+    }
 }