diff --git a/contracts/OMN-10530.yaml b/contracts/OMN-10530.yaml
new file mode 100644
index 00000000000..ca96efd4702
--- /dev/null
+++ b/contracts/OMN-10530.yaml
@@ -0,0 +1,49 @@
+---
+schema_version: "1.0.0"
+ticket_id: OMN-10530
+title: "Rollback checkpoint PyPI patch release chain"
+summary: "Cut patch releases for the infrastructure package chain so runtime deployments can pin a known
+  rollback checkpoint while development continues."
+is_seam_ticket: false
+interface_change: false
+interfaces_touched: []
+evidence_requirements:
+  - kind: "ci"
+    description: "Release PR CI gates pass before merge."
+    command: "gh pr checks"
+  - kind: "manual"
+    description: "Package builds a wheel and sdist for the target patch version."
+    command: "uv build"
+emergency_bypass:
+  enabled: false
+  justification: ""
+  follow_up_ticket_id: ""
+dod_evidence:
+  - id: "dod-core-build"
+    description: "omnibase-core 0.40.1 wheel and sdist build locally."
+    source: "generated"
+    checks:
+      - check_type: "command"
+        check_value: "grep -q 'status: PASS' drift/dod_receipts/OMN-10530/dod-core-build/command.yaml
+          && grep -q 'pr_number: 1030' drift/dod_receipts/OMN-10530/dod-core-build/command.yaml"
+  - id: "dod-core-version-smoke"
+    description: "omnibase-core package metadata and __version__ report 0.40.1."
+    source: "generated"
+    checks:
+      - check_type: "command"
+        check_value: "grep -q 'status: PASS' drift/dod_receipts/OMN-10530/dod-core-version-smoke/command.yaml
+          && grep -q 'omnibase-core 0.40.1' drift/dod_receipts/OMN-10530/dod-core-version-smoke/command.yaml"
+  - id: "dod-core-diff-check"
+    description: "omnibase-core release diff has no whitespace errors."
+    source: "generated"
+    checks:
+      - check_type: "command"
+        check_value: "grep -q 'status: PASS' drift/dod_receipts/OMN-10530/dod-core-diff-check/command.yaml
+          && grep -q 'git diff --check exited 0' drift/dod_receipts/OMN-10530/dod-core-diff-check/command.yaml"
+  - id: "dod-occ-evidence-validate"
+    description: "OCC release checkpoint contract validates and receipt gate passes locally."
+    source: "generated"
+    checks:
+      - check_type: "command"
+        check_value: "uv run validate-yaml contracts/OMN-10530.yaml && grep -q 'status: PASS' drift/dod_receipts/OMN-10530/dod-occ-evidence-validate/command.yaml
+          && grep -q 'pr_number: 693' drift/dod_receipts/OMN-10530/dod-occ-evidence-validate/command.yaml"
diff --git a/drift/dod_receipts/OMN-10530/dod-core-build/command.yaml b/drift/dod_receipts/OMN-10530/dod-core-build/command.yaml
new file mode 100644
index 00000000000..1e3e313763a
--- /dev/null
+++ b/drift/dod_receipts/OMN-10530/dod-core-build/command.yaml
@@ -0,0 +1,21 @@
+---
+schema_version: "1.0.0"
+ticket_id: OMN-10530
+evidence_item_id: dod-core-build
+check_type: command
+check_value: "grep -q 'status: PASS' drift/dod_receipts/OMN-10530/dod-core-build/command.yaml && grep
+  -q 'pr_number: 1030' drift/dod_receipts/OMN-10530/dod-core-build/command.yaml"
+status: PASS
+run_timestamp: "2026-05-03T23:40:14Z"
+commit_sha: 1ff9ab76177237994a71708e56470cc0c93f3877
+runner: codex-local-release-chain
+verifier: codex-release-checkpoint
+probe_command: "uv build"
+exit_code: 0
+pr_number: 1030
+probe_stdout: |
+  Building source distribution...
+  Building wheel from source distribution...
+  Successfully built dist/omnibase_core-0.40.1.tar.gz
+  Successfully built dist/omnibase_core-0.40.1-py3-none-any.whl
+actual_output: "PASS: omnibase-core 0.40.1 wheel and sdist build artifacts were produced locally."
diff --git a/drift/dod_receipts/OMN-10530/dod-core-diff-check/command.yaml b/drift/dod_receipts/OMN-10530/dod-core-diff-check/command.yaml
new file mode 100644
index 00000000000..6034d584f30
--- /dev/null
+++ b/drift/dod_receipts/OMN-10530/dod-core-diff-check/command.yaml
@@ -0,0 +1,17 @@
+---
+schema_version: "1.0.0"
+ticket_id: OMN-10530
+evidence_item_id: dod-core-diff-check
+check_type: command
+check_value: "grep -q 'status: PASS' drift/dod_receipts/OMN-10530/dod-core-diff-check/command.yaml &&
+  grep -q 'git diff --check exited 0' drift/dod_receipts/OMN-10530/dod-core-diff-check/command.yaml"
+status: PASS
+run_timestamp: "2026-05-03T23:40:14Z"
+commit_sha: 1ff9ab76177237994a71708e56470cc0c93f3877
+runner: codex-local-release-chain
+verifier: codex-release-checkpoint
+probe_command: "git diff --check"
+exit_code: 0
+pr_number: 1030
+probe_stdout: "git diff --check exited 0 with no whitespace errors."
+actual_output: "PASS: omnibase-core release version diff had no whitespace errors."
diff --git a/drift/dod_receipts/OMN-10530/dod-core-version-smoke/command.yaml b/drift/dod_receipts/OMN-10530/dod-core-version-smoke/command.yaml
new file mode 100644
index 00000000000..c3a5154165b
--- /dev/null
+++ b/drift/dod_receipts/OMN-10530/dod-core-version-smoke/command.yaml
@@ -0,0 +1,20 @@
+---
+schema_version: "1.0.0"
+ticket_id: OMN-10530
+evidence_item_id: dod-core-version-smoke
+check_type: command
+check_value: "grep -q 'status: PASS' drift/dod_receipts/OMN-10530/dod-core-version-smoke/command.yaml
+  && grep -q 'omnibase-core 0.40.1' drift/dod_receipts/OMN-10530/dod-core-version-smoke/command.yaml"
+status: PASS
+run_timestamp: "2026-05-03T23:40:14Z"
+commit_sha: 1ff9ab76177237994a71708e56470cc0c93f3877
+runner: codex-local-release-chain
+verifier: codex-release-checkpoint
+probe_command: "uv run python - <<'PY'\nfrom importlib.metadata import version\nimport omnibase_core\nassert
+  version('omnibase-core') == '0.40.1'\nassert omnibase_core.__version__ == '0.40.1'\nprint('version-smoke:
+  omnibase-core 0.40.1')\nPY"
+exit_code: 0
+pr_number: 1030
+probe_stdout: "version-smoke: omnibase-core 0.40.1"
+actual_output: "PASS: installed editable package metadata and omnibase_core.__version__ both reported
+  0.40.1."
diff --git a/drift/dod_receipts/OMN-10530/dod-occ-evidence-validate/command.yaml b/drift/dod_receipts/OMN-10530/dod-occ-evidence-validate/command.yaml
new file mode 100644
index 00000000000..cc90fece9b0
--- /dev/null
+++ b/drift/dod_receipts/OMN-10530/dod-occ-evidence-validate/command.yaml
@@ -0,0 +1,23 @@
+---
+schema_version: "1.0.0"
+ticket_id: OMN-10530
+evidence_item_id: dod-occ-evidence-validate
+check_type: command
+check_value: "uv run validate-yaml contracts/OMN-10530.yaml && grep -q 'status: PASS' drift/dod_receipts/OMN-10530/dod-occ-evidence-validate/command.yaml
+  && grep -q 'pr_number: 693' drift/dod_receipts/OMN-10530/dod-occ-evidence-validate/command.yaml"
+status: PASS
+run_timestamp: "2026-05-03T23:42:00Z"
+commit_sha: 6e8f755a0770dd3798183dcde536ae5caa47a1ee
+runner: codex-local-release-chain
+verifier: codex-release-checkpoint
+probe_command: "uv run validate-yaml contracts/OMN-10530.yaml && uv run python -m omnibase_core.validation.receipt_gate_cli
+  --pr-body '' --pr-title 'docs(OMN-10530): add rollback checkpoint release evidence' --contracts-dir
+  contracts --receipts-dir drift/dod_receipts --current-repo onex_change_control --current-pr-number 693"
+exit_code: 0
+pr_number: 693
+probe_stdout: |
+  [OK] contracts/OMN-10530.yaml (ticket_contract)
+  [OK] All 1 file(s) valid
+  ::notice::RECEIPT GATE PASSED: 4 check(s) across 1 ticket(s) all have PASS receipts.
+actual_output: "PASS: OMN-10530 contract validated and local receipt gate passed for the release checkpoint
+  evidence set."