diff --git a/contracts/OMN-12477.yaml b/contracts/OMN-12477.yaml
index 2280b45575b..1b17397aa41 100644
--- a/contracts/OMN-12477.yaml
+++ b/contracts/OMN-12477.yaml
@@ -32,3 +32,20 @@ dod_evidence:
       - check_type: "command"
         check_value: "grep -q '^status: PASS$' drift/dod_receipts/OMN-12477/dod-occ-pr-1915-self-binding/command.yaml
           && grep -q '^pr_number: 1915$' drift/dod_receipts/OMN-12477/dod-occ-pr-1915-self-binding/command.yaml"
+  - id: "dod-infra-pr-1797-binding"
+    description: "omnibase_infra PR #1797 is bound to the OMN-12477 central OCC evidence for downstream
+      Receipt Gate verification."
+    source: "manual"
+    status: "verified"
+    checks:
+      - check_type: "command"
+        check_value: "grep -q '^status: PASS$' drift/dod_receipts/OMN-12477/dod-infra-pr-1797-binding/command.yaml
+          && grep -q '^pr_number: 1797$' drift/dod_receipts/OMN-12477/dod-infra-pr-1797-binding/command.yaml"
+  - id: "dod-occ-pr-1918-self-binding"
+    description: "OCC PR #1918 publishes the follow-up central receipt that binds omnibase_infra PR #1797."
+    source: "manual"
+    status: "verified"
+    checks:
+      - check_type: "command"
+        check_value: "grep -q '^status: PASS$' drift/dod_receipts/OMN-12477/dod-occ-pr-1918-self-binding/command.yaml
+          && grep -q '^pr_number: 1918$' drift/dod_receipts/OMN-12477/dod-occ-pr-1918-self-binding/command.yaml"
diff --git a/drift/dod_receipts/OMN-12477/dod-infra-pr-1797-binding/command.yaml b/drift/dod_receipts/OMN-12477/dod-infra-pr-1797-binding/command.yaml
new file mode 100644
index 00000000000..67c4e70a715
--- /dev/null
+++ b/drift/dod_receipts/OMN-12477/dod-infra-pr-1797-binding/command.yaml
@@ -0,0 +1,22 @@
+---
+schema_version: "1.0.0"
+ticket_id: "OMN-12477"
+evidence_item_id: "dod-infra-pr-1797-binding"
+check_type: "command"
+check_value: "gh pr view 1797 --repo OmniNode-ai/omnibase_infra --json number,headRefOid,baseRefName,title,state"
+contract_sha256: "sha256:6f8ad64e88ffe8fd2606b135c259bfbdb14548dfb225593588f11d3f6b7ba497"
+status: PASS
+run_timestamp: "2026-05-30T15:39:00Z"
+commit_sha: "ec36a9bb28820307d44b4343c056211b84b89c36"
+runner: "codex-cli"
+verifier: "manual-merge-sweep"
+probe_command: "gh pr view 1797 --repo OmniNode-ai/omnibase_infra --json number,headRefOid,baseRefName,title,state"
+probe_stdout: |
+  omnibase_infra PR #1797 carries the OMN-12477 main-target-guard dev-only promotion policy change
+  against the product repository. It cites OCC PR #1915 as the central evidence source and uses
+  Evidence-Ticket: OMN-12477 so Receipt Gate can bind the product PR to this ticket's evidence.
+actual_output: "PASS: omnibase_infra PR #1797 is bound to OMN-12477 central OCC evidence."
+exit_code: 0
+pr_number: 1797
+branch: "jonah/omn-12477-dev-only-main-guard"
+working_dir: "/Users/jonah/Code/omni_home/omni_worktrees/OMN-12477/onex_change_control"
diff --git a/drift/dod_receipts/OMN-12477/dod-main-target-guard-dev-only/command.yaml b/drift/dod_receipts/OMN-12477/dod-main-target-guard-dev-only/command.yaml
index 8a85b3339de..eabd5f854b7 100644
--- a/drift/dod_receipts/OMN-12477/dod-main-target-guard-dev-only/command.yaml
+++ b/drift/dod_receipts/OMN-12477/dod-main-target-guard-dev-only/command.yaml
@@ -4,7 +4,7 @@ ticket_id: "OMN-12477"
 evidence_item_id: "dod-main-target-guard-dev-only"
 check_type: "command"
 check_value: "gh pr diff 1915 --repo OmniNode-ai/onex_change_control --patch"
-contract_sha256: "sha256:045689833553b45330012e2bd0110bf9751c00e5da31050deadfd6f5044bdc79"
+contract_sha256: "sha256:6f8ad64e88ffe8fd2606b135c259bfbdb14548dfb225593588f11d3f6b7ba497"
 status: PASS
 run_timestamp: "2026-05-30T15:28:00Z"
 commit_sha: "6994e41c9504b0ab311461a87cc9eb60d925ccc3"
diff --git a/drift/dod_receipts/OMN-12477/dod-occ-pr-1915-self-binding/command.yaml b/drift/dod_receipts/OMN-12477/dod-occ-pr-1915-self-binding/command.yaml
index 7ade574d612..61bc26ed629 100644
--- a/drift/dod_receipts/OMN-12477/dod-occ-pr-1915-self-binding/command.yaml
+++ b/drift/dod_receipts/OMN-12477/dod-occ-pr-1915-self-binding/command.yaml
@@ -4,7 +4,7 @@ ticket_id: "OMN-12477"
 evidence_item_id: "dod-occ-pr-1915-self-binding"
 check_type: "command"
 check_value: "gh pr view 1915 --repo OmniNode-ai/onex_change_control --json number,headRefOid,baseRefName,title,state"
-contract_sha256: "sha256:045689833553b45330012e2bd0110bf9751c00e5da31050deadfd6f5044bdc79"
+contract_sha256: "sha256:6f8ad64e88ffe8fd2606b135c259bfbdb14548dfb225593588f11d3f6b7ba497"
 status: PASS
 run_timestamp: "2026-05-30T15:28:00Z"
 commit_sha: "6994e41c9504b0ab311461a87cc9eb60d925ccc3"
diff --git a/drift/dod_receipts/OMN-12477/dod-occ-pr-1918-self-binding/command.yaml b/drift/dod_receipts/OMN-12477/dod-occ-pr-1918-self-binding/command.yaml
new file mode 100644
index 00000000000..ee2b3d4e753
--- /dev/null
+++ b/drift/dod_receipts/OMN-12477/dod-occ-pr-1918-self-binding/command.yaml
@@ -0,0 +1,21 @@
+---
+schema_version: "1.0.0"
+ticket_id: "OMN-12477"
+evidence_item_id: "dod-occ-pr-1918-self-binding"
+check_type: "command"
+check_value: "gh pr view 1918 --repo OmniNode-ai/onex_change_control --json number,headRefOid,baseRefName,title,state"
+contract_sha256: "sha256:6f8ad64e88ffe8fd2606b135c259bfbdb14548dfb225593588f11d3f6b7ba497"
+status: PASS
+run_timestamp: "2026-05-30T15:43:00Z"
+commit_sha: "9a3fceef605d6d271df14ddddd646b865a41f5c7"
+runner: "codex-cli"
+verifier: "manual-merge-sweep"
+probe_command: "gh pr view 1918 --repo OmniNode-ai/onex_change_control --json number,headRefOid,baseRefName,title,state"
+probe_stdout: |
+  onex_change_control PR #1918 opens against dev to publish the follow-up OMN-12477 receipt binding
+  for omnibase_infra PR #1797 after OCC PR #1915 merged.
+actual_output: "PASS: OCC PR #1918 publishes the OMN-12477 downstream receipt binding."
+exit_code: 0
+pr_number: 1918
+branch: "jonah/omn-12477-infra-1797-receipt-binding"
+working_dir: "/Users/jonah/Code/omni_home/omni_worktrees/OMN-12477/onex_change_control"