diff --git a/experiments/analysis-efficiency/native-entry.mjs b/experiments/analysis-efficiency/native-entry.mjs
index d6666d5550..f8a6db2563 100644
--- a/experiments/analysis-efficiency/native-entry.mjs
+++ b/experiments/analysis-efficiency/native-entry.mjs
@@ -154,7 +154,7 @@ export const measureNativeEntry = async ({
   try {
     // DOS addresses follow the actual admitted load image. A file header
     // offset is not a provider address or proof of runtime execution.
-    let loadImage;
+    let loadImage, loadImageEvidenceId;
     if (seed === undefined) {
       const imageEvidence = await call("inspect_native_load_image", {});
       loadImage = normalized(imageEvidence);
@@ -162,6 +162,7 @@ export const measureNativeEntry = async ({
         throw new Error(
           "The shipped DOS load image was not independently verified",
         );
+      loadImageEvidenceId = imageEvidence.evidence_id;
       seed = loadImage.entry.linear_address;
     }
     const address = seed;
@@ -197,10 +198,20 @@ export const measureNativeEntry = async ({
           }),
       evidence_ids:
         selected.retainedViews === undefined
-          ? [containing.evidence_id, info.evidence_id, ...mainEvidenceIds]
+          ? [
+              containing.evidence_id,
+              info.evidence_id,
+              ...mainEvidenceIds,
+              ...(loadImageEvidenceId === undefined
+                ? []
+                : [loadImageEvidenceId]),
+            ]
           : {
               containing_procedure: containing.evidence_id,
               function_dossier: info.evidence_id,
+              ...(loadImageEvidenceId === undefined
+                ? {}
+                : { native_load_image: loadImageEvidenceId }),
               retained_views: selected.retainedViewEvidence,
               ...(selected.summaryEvidenceId === undefined
                 ? {}
diff --git a/tests/boundary/cli/nativeEfficiencyComparison.test.ts b/tests/boundary/cli/nativeEfficiencyComparison.test.ts
index 9640222203..17d68a600d 100644
--- a/tests/boundary/cli/nativeEfficiencyComparison.test.ts
+++ b/tests/boundary/cli/nativeEfficiencyComparison.test.ts
@@ -15,6 +15,7 @@ const generate = `
 import {measureNativeEntry} from './experiments/analysis-efficiency/native-entry.mjs';
 const sha='0'.repeat(64);
 const duplicate=process.argv[1]==='duplicate';
+const dos=process.argv[1]==='dos';
 const dossier={procedure:{address:'0x1000'},pseudocode:'return;',callers:[],callees:[]};
 class ToolFailure extends Error {}
 const build=async digit=>{
@@ -22,6 +23,7 @@ const build=async digit=>{
   let ordinal=0;
   const call=async(name,args)=>{
     if(name==='open_binary'||name==='close_binary')return {};
+    if(name==='inspect_native_load_image')return {evidence_id:'ev_'+digit.repeat(63)+'6',normalized_result:{status:'verified',entry:{linear_address:'0x1000'}}};
     if(name==='resolve_containing_procedure')return {evidence_id:parent,normalized_result:{found:true}};
     if(name==='analyze_function')return {evidence_id:parent,subject:{digest:{sha256:sha}},normalized_result:dossier};
     const id='ev_'+digit.repeat(63)+(duplicate?1:++ordinal);
@@ -30,11 +32,26 @@ const build=async digit=>{
     const item=facet==='pseudocode'?{text:dossier.pseudocode,unit:'utf16-code-units'}:dossier[facet];
     return {evidence_id:id,normalized_result:{parent_evidence_id:parent,artifact:{sha256:sha},item,coverage:{exhausted:true},limitations:[],unknowns:[]}};
   };
-  return measureNativeEntry({seed:'0x1000',values:{path:'/selected/input','native-question':'entry-views'},call,inputSha:sha,ToolFailure});
+  return measureNativeEntry({seed:dos?undefined:'0x1000',values:{path:'/selected/input','native-question':'entry-views'},call,inputSha:sha,ToolFailure});
 };
 process.stdout.write(JSON.stringify([await build('1'),await build('2')]));
 `;
 
+it("retains the DOS load-image source for its facts and derived entry seed", async () => {
+  const { stdout } = await execute(process.execPath, [
+    "--input-type=module",
+    "-e",
+    generate,
+    "dos",
+  ]);
+  const [answer] = JSON.parse(stdout);
+  expect(answer).toMatchObject({
+    entry_address: "0x1000",
+    load_image: { status: "verified", entry: { linear_address: "0x1000" } },
+    evidence_ids: { native_load_image: "ev_" + "1".repeat(63) + "6" },
+  });
+});
+
 it("rejects a producer that reuses a view identity across facets", async () => {
   await expect(
     execute(process.execPath, [