diff --git a/backend/cpp/llama-cpp-localai-paged/docs/GB10_PARITY_PHASE0_RESULTS.md b/backend/cpp/llama-cpp-localai-paged/docs/GB10_PARITY_PHASE0_RESULTS.md
index bb32b97fa..a0982e27c 100644
--- a/backend/cpp/llama-cpp-localai-paged/docs/GB10_PARITY_PHASE0_RESULTS.md
+++ b/backend/cpp/llama-cpp-localai-paged/docs/GB10_PARITY_PHASE0_RESULTS.md
@@ -16,6 +16,43 @@ Status: in progress.
 
 No baseline runs have been started yet.
 
+## Clean Build
+
+First clean build attempt:
+
+- PID: `625392`
+- Source checkout: `~/llama-paged-reopen-clean`
+- Result: failed during CMake configure.
+- Root cause: `nvcc` was not discoverable on PATH. CUDA headers were found under
+  `/usr/local/cuda/targets/sbsa-linux/include`, and the compiler exists at
+  `/usr/local/cuda-13.0/bin/nvcc`.
+- Retry plan: rebuild the clean checkout with
+  `CUDACXX=/usr/local/cuda-13.0/bin/nvcc`.
+
+Second clean build attempt:
+
+- PID: `631100`
+- Source checkout: `~/llama-paged-reopen-clean`
+- Source status: `## HEAD (no branch)`
+- Build HEAD: `51168c5eee2e35348d9006f0b2fab3dc6e7c01cc`
+- CUDA compiler: `/usr/local/cuda-13.0/bin/nvcc`
+- Result: succeeded.
+- Binary mtimes:
+  - `build-cuda/bin/llama-server 2026-06-30 22:14:34.091312112 +0200`
+  - `build-cuda/bin/llama-batched-bench 2026-06-30 22:14:35.156287566 +0200`
+  - `build-cuda/bin/llama-completion 2026-06-30 22:14:37.095750242 +0200`
+  - `build-cuda/bin/test-backend-ops 2026-06-30 22:14:47.360078186 +0200`
+
+## Canonical Gates
+
+- MoE greedy md5: `8cb0ce23777bf55f92f63d0292c756b0` (matched expected)
+- Dense greedy md5: `5951a5b4d624ce891e22ab5fca9bc439` (matched expected)
+- Artifacts:
+  - `~/bench/reopen_phase0/gate_moe.txt`
+  - `~/bench/reopen_phase0/gate_moe.md5`
+  - `~/bench/reopen_phase0/gate_dense.txt`
+  - `~/bench/reopen_phase0/gate_dense.md5`
+
 ## Source Provenance
 
 - Local llama.cpp fork: `/home/mudler/_git/llama.cpp`
diff --git a/docs/superpowers/plans/2026-06-30-gb10-parity-reopen.md b/docs/superpowers/plans/2026-06-30-gb10-parity-reopen.md
index 08eb76fed..04044f7ef 100644
--- a/docs/superpowers/plans/2026-06-30-gb10-parity-reopen.md
+++ b/docs/superpowers/plans/2026-06-30-gb10-parity-reopen.md
@@ -36,7 +36,7 @@
 **Files:**
 - Create: `backend/cpp/llama-cpp-localai-paged/docs/GB10_PARITY_PHASE0_RESULTS.md`
 
-- [ ] **Step 1: Confirm the current worktree state**
+- [x] **Step 1: Confirm the current worktree state**
 
 Run:
 
@@ -52,7 +52,7 @@ Expected:
 ?? .claude/
 ```
 
-- [ ] **Step 2: Run DGX preflight without starting workloads**
+- [x] **Step 2: Run DGX preflight without starting workloads**
 
 Run:
 
@@ -80,7 +80,7 @@ gpu lock is FREE or NO_OWNER
 DGX source states are recorded, even if dirty
 ```
 
-- [ ] **Step 3: Create the Phase 0 artifact directory on DGX**
+- [x] **Step 3: Create the Phase 0 artifact directory on DGX**
 
 Run:
 
@@ -101,7 +101,7 @@ Expected:
 ~/bench/reopen_phase0 exists and contains created_utc.txt, hostname.txt, docker_ps.txt, compute_apps.txt, gpu_lock_owner.txt
 ```
 
-- [ ] **Step 4: Write the initial Phase 0 results document from captured values**
+- [x] **Step 4: Write the initial Phase 0 results document from captured values**
 
 Run:
 
@@ -139,7 +139,7 @@ No baseline runs have been started yet.
 EOF
 ```
 
-- [ ] **Step 5: Commit Task 1**
+- [x] **Step 5: Commit Task 1**
 
 Run:
 
@@ -161,7 +161,7 @@ Commit succeeds with only GB10_PARITY_PHASE0_RESULTS.md staged.
 **Files:**
 - Modify: `backend/cpp/llama-cpp-localai-paged/docs/GB10_PARITY_PHASE0_RESULTS.md`
 
-- [ ] **Step 1: Record local source truth**
+- [x] **Step 1: Record local source truth**
 
 Run:
 
@@ -180,7 +180,7 @@ HEAD is 51168c5eee2e35348d9006f0b2fab3dc6e7c01cc
 merge-base is 0ed235ea2c17a19fc8238668653946721ed136fd
 ```
 
-- [ ] **Step 2: Verify LocalAI patch mirror invariant**
+- [x] **Step 2: Verify LocalAI patch mirror invariant**
 
 Run:
 
@@ -201,7 +201,7 @@ Expected:
 Exit code 0.
 ```
 
-- [ ] **Step 3: Write clean source provenance into Phase 0 results**
+- [x] **Step 3: Write clean source provenance into Phase 0 results**
 
 Update `GB10_PARITY_PHASE0_RESULTS.md`:
 
@@ -215,7 +215,7 @@ Update `GB10_PARITY_PHASE0_RESULTS.md`:
 - LocalAI patch mirror: applies cleanly and tree-matches fork HEAD.
 ```
 
-- [ ] **Step 4: Commit Task 2**
+- [x] **Step 4: Commit Task 2**
 
 Run:
 
@@ -237,7 +237,7 @@ Commit succeeds.
 **Files:**
 - Modify: `backend/cpp/llama-cpp-localai-paged/docs/GB10_PARITY_PHASE0_RESULTS.md`
 
-- [ ] **Step 1: Extract the current artifact-backed numbers**
+- [x] **Step 1: Extract the current artifact-backed numbers**
 
 Run:
 
@@ -261,7 +261,7 @@ Expected:
 existing_artifact_extract.txt is created and shows CDEF, paged highN, and vLLM highN evidence.
 ```
 
-- [ ] **Step 2: Update Phase 0 results with artifact gaps**
+- [x] **Step 2: Update Phase 0 results with artifact gaps**
 
 Add:
 
@@ -276,7 +276,7 @@ Add:
   `51168c5ee`; this must be separated from current production-source baselines.
 ```
 
-- [ ] **Step 3: Commit Task 3**
+- [x] **Step 3: Commit Task 3**
 
 Run:
 
@@ -298,7 +298,7 @@ Commit succeeds.
 **Files:**
 - Modify: `backend/cpp/llama-cpp-localai-paged/docs/GB10_PARITY_PHASE0_RESULTS.md`
 
-- [ ] **Step 1: Re-run DGX preflight immediately before build**
+- [x] **Step 1: Re-run DGX preflight immediately before build**
 
 Run:
 
@@ -316,7 +316,7 @@ Expected:
 Exit code 0.
 ```
 
-- [ ] **Step 2: Start a detached clean build**
+- [x] **Step 2: Start a detached clean build**
 
 Run:
 
@@ -355,7 +355,13 @@ Expected:
 Command returns quickly and writes build_clean.pid.
 ```
 
-- [ ] **Step 3: Poll build completion**
+- [x] **Step 3: Poll build completion**
+
+Note: first build attempt started as PID `625392` and failed during CMake
+configure because `nvcc` was not on PATH. DGX has
+`/usr/local/cuda-13.0/bin/nvcc`; retry uses explicit `CUDACXX`.
+
+Retry build attempt started as PID `631100` and completed successfully.
 
 Run:
 
@@ -384,7 +390,7 @@ Expected:
 DONE
 ```
 
-- [ ] **Step 4: Run canonical md5 gates**
+- [x] **Step 4: Run canonical md5 gates**
 
 Run:
 
@@ -406,7 +412,7 @@ MoE md5 is 8cb0ce23777bf55f92f63d0292c756b0
 Dense md5 is 5951a5b4d624ce891e22ab5fca9bc439
 ```
 
-- [ ] **Step 5: Update Phase 0 results and commit**
+- [x] **Step 5: Update Phase 0 results and commit**
 
 Add build SHA, binary mtimes, gate md5s, and whether they matched expectations.