diff --git a/openspec/changes/integration-maps/README.md b/openspec/changes/integration-maps/README.md
new file mode 100644
index 00000000..4b7d5e65
--- /dev/null
+++ b/openspec/changes/integration-maps/README.md
@@ -0,0 +1,7 @@
+# integration-maps (cross-repo stub)
+
+Authoritative spec: [ConductionNL/openregister → openspec/changes/integration-maps](https://github.com/ConductionNL/openregister/tree/development/openspec/changes/integration-maps).
+
+Tracking issue: https://github.com/ConductionNL/openregister/issues/1316
+
+Stub exists so Hydra's sibling-based dependency check can resolve cross-repo `depends_on`.
diff --git a/openspec/changes/integration-maps/hydra.json b/openspec/changes/integration-maps/hydra.json
new file mode 100644
index 00000000..7d852dd8
--- /dev/null
+++ b/openspec/changes/integration-maps/hydra.json
@@ -0,0 +1,12 @@
+{
+  "schema_version": 2,
+  "spec_slug": "integration-maps",
+  "app": "openregister",
+  "repo": "https://github.com/ConductionNL/openregister",
+  "issue": "https://github.com/ConductionNL/openregister/issues/1316",
+  "depends_on": [],
+  "cross_repo_stub": true,
+  "note": "Cross-repo dependency stub. Authoritative spec lives in ConductionNL/openregister. Do NOT edit here.",
+  "pipeline": {},
+  "cycles": []
+}
diff --git a/openspec/changes/pluggable-integration-registry/README.md b/openspec/changes/pluggable-integration-registry/README.md
new file mode 100644
index 00000000..f0a57a37
--- /dev/null
+++ b/openspec/changes/pluggable-integration-registry/README.md
@@ -0,0 +1,7 @@
+# pluggable-integration-registry (cross-repo stub)
+
+Authoritative spec: [ConductionNL/openregister → openspec/changes/pluggable-integration-registry](https://github.com/ConductionNL/openregister/tree/development/openspec/changes/pluggable-integration-registry).
+
+Tracking issue: https://github.com/ConductionNL/openregister/issues/1307
+
+Stub exists so Hydra's sibling-based dependency check can resolve cross-repo `depends_on`.
diff --git a/openspec/changes/pluggable-integration-registry/hydra.json b/openspec/changes/pluggable-integration-registry/hydra.json
new file mode 100644
index 00000000..00986326
--- /dev/null
+++ b/openspec/changes/pluggable-integration-registry/hydra.json
@@ -0,0 +1,12 @@
+{
+  "schema_version": 2,
+  "spec_slug": "pluggable-integration-registry",
+  "app": "openregister",
+  "repo": "https://github.com/ConductionNL/openregister",
+  "issue": "https://github.com/ConductionNL/openregister/issues/1307",
+  "depends_on": [],
+  "cross_repo_stub": true,
+  "note": "Cross-repo dependency stub. Authoritative spec lives in ConductionNL/openregister. Do NOT edit here.",
+  "pipeline": {},
+  "cycles": []
+}
diff --git a/openspec/changes/task-management/hydra.json b/openspec/changes/task-management/hydra.json
new file mode 100644
index 00000000..79bd6793
--- /dev/null
+++ b/openspec/changes/task-management/hydra.json
@@ -0,0 +1,12 @@
+{
+  "schema_version": 2,
+  "spec_slug": "task-management",
+  "app": "procest",
+  "repo": "https://github.com/ConductionNL/procest",
+  "depends_on": [
+    "pluggable-integration-registry"
+  ],
+  "issue": "",
+  "pipeline": {},
+  "cycles": []
+}