diff --git a/.custodian-brief.md b/.custodian-brief.md
index 45c7ea2..fa1d5d6 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,11 +2,21 @@
 # Custodian Brief — gate-house
 
 **Domain:** infotech  
-**Last synced:** 2026-08-28 20:01 UTC  
+**Last synced:** 2026-08-29 00:56 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
+### Approval evidence integrity
+Progress: 1/6 done  |  workplan_id: `393d46ad-4f8c-5578-b63d-91cb0e8b9502`
+
+**Open tasks:**
+- ► Approval evidence integrity  `73a8feb0`
+- · Approval evidence integrity  `1fc8fd3c`
+- · Approval evidence integrity  `3d62dbf9`
+- · Approval evidence integrity  `2a2a73ea`
+- · Approval evidence integrity  `250cb9b3`
+
 ### Foundation
 Progress: 3/6 done  |  workplan_id: `2ec4cf1a-a73f-5793-9738-8d8019cccca8`