diff --git a/.custodian-brief.md b/.custodian-brief.md
index 3ea7689..67b461e 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,12 +2,20 @@
 # Custodian Brief — audit-core
 
 **Domain:** infotech  
-**Last synced:** 2026-08-15 22:25 UTC  
+**Last synced:** 2026-08-15 22:58 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
-*(none — repo may need first-session setup)*
+### Integrity verification for operational custody
+Progress: 0/5 done  |  workplan_id: `97946512-eb0a-4282-8c1f-f53d9ee25bfa`
+
+**Open tasks:**
+- · T01 — Specify the chain and the proof bound  `d4423fd5`
+- · T02 — Persist the chain on accept  `5830bb1a`
+- · T03 — Verify surface  `fee1f93c`
+- · T04 — Attest the chain head outside platform-pg  `b6d03d6a`
+- · T05 — Declare tamper_evidence only as far as the proof  `9fd70d3c`
 
 ---
 ## MCP Orientation (when available)