diff --git a/docs/roadmap/implementation.md b/docs/roadmap/implementation.md
index 201dc85..defa380 100644
--- a/docs/roadmap/implementation.md
+++ b/docs/roadmap/implementation.md
@@ -469,6 +469,8 @@ commit; do not add an empty or redundant manual commit.
 
 ## Stage 4: Record the Implementation Handoff
 
+Completion: complete (`76c10f79f5f2ccdd3e906490b3e70620d78bd8dc`)
+
 ### Objective
 
 Record the completed implementation evidence without marking Feature 0015
@@ -568,5 +570,6 @@ Commit intent: `Record D&D storage and publishing implementation`
   `46913446765e86ecfb29ebad9955d579ef6a4c7e` with generated squash
   `77f67adbc0f700e88bc15554e02052eaa22f1033`; the complete assembled-artifact
   suite passed and the history is present on public `origin/main`.
-- Stage 4 is complete in the workspace handoff commit created by this change;
-  implementation is awaiting independent review.
+- Stage 4 is complete in workspace handoff commit
+  `76c10f79f5f2ccdd3e906490b3e70620d78bd8dc`; implementation is awaiting
+  independent review.