diff --git a/.custodian-brief.md b/.custodian-brief.md
index 88b3361..905990f 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,19 +2,18 @@
 # Custodian Brief — repo-manager
 
 **Domain:** infotech  
-**Last synced:** 2026-08-21 21:22 UTC  
+**Last synced:** 2026-08-21 21:56 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
 ### Registrar consolidation and deterministic hub identifiers
-Progress: 6/12 done  |  workplan_id: `7ddb5421-d960-4a3c-94b1-40b6c96abfab`
+Progress: 7/12 done  |  workplan_id: `7ddb5421-d960-4a3c-94b1-40b6c96abfab`
 
 **Open tasks:**
 - ! Re-register identifiers minted outside the registrar  `8e679ddb`
 - ! Retire the interim rule  `3946d1fc`
 - ! Replace the host-wide sweep credential with a scoped identity  `7b4edf5b`
-- ► Derive identifiers deterministically  `28067729`
 - ► Migrate the fleet  `503a23a9`
 - ► Rebuild local instances as caches  `70f83359`