diff --git a/docs/evidence/2026-10-14-rpf-wp-0015-t03-reboot/post-reboot-chain-head.json b/docs/evidence/2026-10-14-rpf-wp-0015-t03-reboot/post-reboot-chain-head.json
new file mode 100644
index 0000000..8849cd7
--- /dev/null
+++ b/docs/evidence/2026-10-14-rpf-wp-0015-t03-reboot/post-reboot-chain-head.json
@@ -0,0 +1,3 @@
+{"verify_chain":{"intact":true,"events":508,"first_break":null,"head":"c99426d8fb53454c2da6217330c2cde62e440deb3d5ca2ebb04155c0a3108c4d","head_event_id":"t02-rpf-wp-0015-t02-20261014t1631z-founder-go"},
+ "attestation":{"schema":"audit-core.chain-head.v1","chain_hash":"c99426d8fb53454c2da6217330c2cde62e440deb3d5ca2ebb04155c0a3108c4d","event_count":508,"observed_at":"2026-10-14T21:30:55+00:00","ok":true},
+ "pre_reboot_head_present":true,"run_by_role":"founder"}
diff --git a/workplans/RPF-WP-0015-audit-core-custody-and-recovery-coordination.md b/workplans/RPF-WP-0015-audit-core-custody-and-recovery-coordination.md
index f2b9be4..9e631bc 100644
--- a/workplans/RPF-WP-0015-audit-core-custody-and-recovery-coordination.md
+++ b/workplans/RPF-WP-0015-audit-core-custody-and-recovery-coordination.md
@@ -519,6 +519,7 @@ five; window console receipt RAIL01-CONSOLE-20261014T175624Z).
   synced without an ESO restart, audit-core 1/1 same pod UID on the reviewed image
   (container restarted once with the node; no manual restart).
 Evidence: docs/evidence/2026-10-14-rpf-wp-0015-t03-reboot/.
-Still open before T03 can be marked done: post-reboot verify-chain/attest-chain
-(founder-run), and the deferred synthetic E2 via the reviewed sender lane in E2 mode
+Post-reboot verify-chain/attest-chain (founder-run 21:30:55Z): intact, 508 events,
+pre-reboot head c99426d8… unchanged (post-reboot-chain-head.json). Mutation freeze lifted.
+Still open before T03 can be marked done: the deferred synthetic E2 via the reviewed sender lane in E2 mode
 (railiance-platform dd003c9, owner round 8 pending).