diff --git a/.specgit.yaml b/.specgit.yaml
index 938528e25..7052e1e8c 100644
--- a/.specgit.yaml
+++ b/.specgit.yaml
@@ -1,8 +1,8 @@
 version: 1
-delivery: issue409
+delivery: issue410
 context:
   kind: branch
-  branch: feat/409-issue409
+  branch: feat/410-issue410
 issues:
-  - 409
-pr: 411
+  - 410
+pr: 422
diff --git a/packages/opencode/src/dag/review-lifecycle.ts b/packages/opencode/src/dag/review-lifecycle.ts
index b33c19dec..d94218287 100644
--- a/packages/opencode/src/dag/review-lifecycle.ts
+++ b/packages/opencode/src/dag/review-lifecycle.ts
@@ -133,7 +133,7 @@ export function validateReviewResult(output: unknown, currentFingerprint: string
       : ["review result verdict must be ACCEPT or REJECT"]),
     ...(reviewedFingerprint.trim() === ""
       ? ["review result must include implementation_fingerprint"]
-      : reviewedFingerprint === currentFingerprint
+      : reviewedFingerprint.trim() === currentFingerprint.trim()
         ? []
         : [`review result fingerprint ${reviewedFingerprint} does not match current implementation ${currentFingerprint}`]),
   ]
diff --git a/packages/opencode/test/dag/dag-review-lifecycle.test.ts b/packages/opencode/test/dag/dag-review-lifecycle.test.ts
index 47e7daa22..0c26c3341 100644
--- a/packages/opencode/test/dag/dag-review-lifecycle.test.ts
+++ b/packages/opencode/test/dag/dag-review-lifecycle.test.ts
@@ -365,6 +365,38 @@ describe("DAG review lifecycle", () => {
     })
   })
 
+  it("accepts fingerprints that match after trimming surrounding whitespace (issue #410)", () => {
+    expect(validateReviewResult({
+      verdict: "ACCEPT",
+      implementation_fingerprint: "\n  sha256:revision-2\n",
+    }, "sha256:revision-2")).toEqual({
+      valid: true,
+      action: "proceed",
+      reviewed_fingerprint: "\n  sha256:revision-2\n",
+      errors: [],
+    })
+    expect(validateReviewResult({
+      verdict: "ACCEPT",
+      implementation_fingerprint: "sha256:revision-2",
+    }, "\n  sha256:revision-2\n")).toEqual({
+      valid: true,
+      action: "proceed",
+      reviewed_fingerprint: "sha256:revision-2",
+      errors: [],
+    })
+    expect(validateReviewResult({
+      verdict: "ACCEPT",
+      implementation_fingerprint: "sha256:revision 2",
+    }, "sha256:revision-2")).toEqual({
+      valid: false,
+      action: "invalidate",
+      reviewed_fingerprint: "sha256:revision 2",
+      errors: [
+        "review result fingerprint sha256:revision 2 does not match current implementation sha256:revision-2",
+      ],
+    })
+  })
+
   it("keeps a deep workflow from succeeding with an unresolved review outcome", () => {
     const rejected = workflow("deep", validDiffFlow())
     expect(unresolvedReviewOutcomes(rejected, [