diff --git a/WORK-RECORDS.md b/WORK-RECORDS.md
index a7584e8..ef2d3a6 100644
--- a/WORK-RECORDS.md
+++ b/WORK-RECORDS.md
@@ -23,6 +23,7 @@
 | workplan | CB-WP-0013 | done | — | workplans/CB-WP-0013-instrument-corrections.md |
 | workplan | CB-WP-0014 | done | — | workplans/CB-WP-0014-execute-the-javascript.md |
 | workplan | CB-WP-0015 | done | — | workplans/CB-WP-0015-the-inert-clauses.md |
+| workplan | CB-WP-0016 | done | — | workplans/CB-WP-0016-the-drop-target.md |
 | task | CB-WP-0001-T01 | done | — | workplans/CB-WP-0001-inner-loop.md |
 | task | CB-WP-0001-T02 | done | — | workplans/CB-WP-0001-inner-loop.md |
 | task | CB-WP-0001-T03 | done | — | workplans/CB-WP-0001-inner-loop.md |
@@ -108,3 +109,6 @@
 | task | CB-WP-0015-T01 | done | — | workplans/CB-WP-0015-the-inert-clauses.md |
 | task | CB-WP-0015-T02 | done | — | workplans/CB-WP-0015-the-inert-clauses.md |
 | task | CB-WP-0015-T03 | done | — | workplans/CB-WP-0015-the-inert-clauses.md |
+| task | CB-WP-0016-T01 | done | — | workplans/CB-WP-0016-the-drop-target.md |
+| task | CB-WP-0016-T02 | done | — | workplans/CB-WP-0016-the-drop-target.md |
+| task | CB-WP-0016-T03 | done | — | workplans/CB-WP-0016-the-drop-target.md |
diff --git a/workplans/CB-WP-0016-the-drop-target.md b/workplans/CB-WP-0016-the-drop-target.md
index 6423ce8..86442bc 100644
--- a/workplans/CB-WP-0016-the-drop-target.md
+++ b/workplans/CB-WP-0016-the-drop-target.md
@@ -3,6 +3,7 @@ id: CB-WP-0016
 kind: product
 title: "The drop target that was never there"
 status: done
+state_hub_workstream_id: "87c1563d-5969-4355-8e25-c27a07efc0a7"
 ---
 
 # Purpose
@@ -69,6 +70,7 @@ green tests two passes ago.
 id: CB-WP-0016-T01
 status: done
 priority: high
+state_hub_task_id: "70e50904-a8a7-4bcc-b02b-6e5cd7eea9f2"
 ```
 
 The seat card must carry the id `affordance()` already names for it.
@@ -105,6 +107,7 @@ existence check stays green. That is the point of T03's finding.
 id: CB-WP-0016-T02
 status: done
 priority: high
+state_hub_task_id: "2602ec51-36e8-4253-b785-8d4fa5431aa2"
 ```
 
 `SCRIPT` currently does `if (!down || !up) { down = null; return; }` — no
@@ -137,6 +140,7 @@ the case at all, which is part of why the silence was invisible.
 id: CB-WP-0016-T03
 status: done
 priority: high
+state_hub_task_id: "01ec9542-08b2-421f-9e59-968eb534dab5"
 ```
 
 **For every legal command, both ids `affordance()` produces must occur in