diff --git a/conductor/tracks.md b/conductor/tracks.md
index 5bc385b..da09c53 100644
--- a/conductor/tracks.md
+++ b/conductor/tracks.md
@@ -78,7 +78,7 @@ This file tracks all major tracks for the project. Each track has its own detail
 - [x] **Track: Test Regression Verification**
 
 ---
-- [~] **Track: Phase 4 Track Archival**
+- [x] **Track: Phase 4 Track Archival**
 *Link: [./tracks/archive_phase_4_tracks_20260507/](./tracks/archive_phase_4_tracks_20260507/)*
 
 ---
diff --git a/conductor/tracks/archive_phase_4_tracks_20260507/plan.md b/conductor/tracks/archive_phase_4_tracks_20260507/plan.md
index 0767dbb..f342995 100644
--- a/conductor/tracks/archive_phase_4_tracks_20260507/plan.md
+++ b/conductor/tracks/archive_phase_4_tracks_20260507/plan.md
@@ -1,13 +1,13 @@
 # Implementation Plan: Phase 4 Track Archival (archive_phase_4_tracks_20260507)
 
-## Phase 1: Directory Migration
+## Phase 1: Directory Migration [checkpoint: 2065dd8]
 - [x] Task: Identify and list all completed Phase 4 track directories.
 - [x] Task: Move identified track directories from `conductor/tracks/` to `conductor/archive/`.
-- [~] Task: Conductor - User Manual Verification 'Directory Migration' (Protocol in workflow.md)
+- [x] Task: Conductor - User Manual Verification 'Directory Migration' (Protocol in workflow.md)
 
-## Phase 2: Registry Update
-- [ ] Task: Create 'Phase 4 Archive' section in `conductor/tracks.md`.
-- [ ] Task: Move track entries from Phase 4 sections to 'Phase 4 Archive' section.
-- [ ] Task: Update track links in `conductor/tracks.md` to point to the `archive/` directory.
-- [ ] Task: Verify link integrity in `conductor/tracks.md` (manual or via script).
-- [ ] Task: Conductor - User Manual Verification 'Registry Update' (Protocol in workflow.md)
+## Phase 2: Registry Update [checkpoint: 9f2390d]
+- [x] Task: Create 'Phase 4 Archive' section in `conductor/tracks.md`.
+- [x] Task: Move track entries from Phase 4 sections to 'Phase 4 Archive' section.
+- [x] Task: Update track links in `conductor/tracks.md` to point to the `archive/` directory.
+- [x] Task: Verify link integrity in `conductor/tracks.md` (manual or via script).
+- [x] Task: Conductor - User Manual Verification 'Registry Update' (Protocol in workflow.md)