diff --git a/.githooks/pre-commit b/.github/hooks/pre-commit
similarity index 100%
rename from .githooks/pre-commit
rename to .github/hooks/pre-commit
diff --git a/.githooks/validate-a2ml.sh b/.github/hooks/validate-a2ml.sh
similarity index 100%
rename from .githooks/validate-a2ml.sh
rename to .github/hooks/validate-a2ml.sh
diff --git a/.githooks/validate-k9.sh b/.github/hooks/validate-k9.sh
similarity index 100%
rename from .githooks/validate-k9.sh
rename to .github/hooks/validate-k9.sh
diff --git a/.github/workflows/dogfood-gate.yml b/.github/workflows/dogfood-gate.yml
index f78dc2be..30ee015b 100644
--- a/.github/workflows/dogfood-gate.yml
+++ b/.github/workflows/dogfood-gate.yml
@@ -48,7 +48,7 @@ jobs:
 
       - name: Validate A2ML manifests
         if: steps.detect.outputs.count > 0
-        run: bash .githooks/validate-a2ml.sh
+        run: bash .github/hooks/validate-a2ml.sh
       - name: Write summary
         run: |
           A2ML_COUNT="${{ steps.detect.outputs.count }}"
@@ -93,7 +93,7 @@ jobs:
 
       - name: Validate K9 contracts
         if: steps.detect.outputs.k9_count > 0
-        run: bash .githooks/validate-k9.sh
+        run: bash .github/hooks/validate-k9.sh
       - name: Write summary
         run: |
           K9_COUNT="${{ steps.detect.outputs.k9_count }}"
diff --git a/.machine_readable/root-allow.txt b/.machine_readable/root-allow.txt
index 25e49a48..efa51790 100644
--- a/.machine_readable/root-allow.txt
+++ b/.machine_readable/root-allow.txt
@@ -1,2 +1,3 @@
 .hypatia-ignore
 CLAUDE.md
+build/                     # build orchestration: guix.scm relocated here (canon 1.2.1 guix-primary template_ref = "build/")
diff --git a/.reuse/dep5 b/.reuse/dep5
index f929e692..bf8b8956 100644
--- a/.reuse/dep5
+++ b/.reuse/dep5
@@ -22,7 +22,7 @@ Files: src/*
  verification/*
  scripts/*
  hooks/*
- .githooks/*
+ .github/hooks/*
  tests/*
  meta-checker/*
  HOL-o-extension/*
diff --git a/guix.scm b/build/guix.scm
similarity index 97%
rename from guix.scm
rename to build/guix.scm
index 2441c397..66d8f0b4 100644
--- a/guix.scm
+++ b/build/guix.scm
@@ -1,7 +1,7 @@
 ;; SPDX-License-Identifier: AGPL-3.0-or-later
 ;; echidna - Guix Package Definition
-;; Development: guix shell -D -f guix.scm
-;; Build: guix build -f guix.scm
+;; Development: guix shell -D -f build/guix.scm
+;; Build: guix build -f build/guix.scm
 
 (use-modules (guix packages)
              (guix gexp)
diff --git a/echidna-playground/RSR_OUTLINE.adoc b/echidna-playground/RSR_OUTLINE.adoc
index b1f040ca..3033ddb3 100644
--- a/echidna-playground/RSR_OUTLINE.adoc
+++ b/echidna-playground/RSR_OUTLINE.adoc
@@ -35,7 +35,7 @@ git init
 sed -i 's/RSR-template-repo/my-project/g' Justfile guix.scm README.adoc
 
 # Enter development environment
-guix shell -D -f guix.scm
+guix shell -D -f build/guix.scm
 
 # Validate compliance
 just validate-rsr