diff --git a/backend/app/data/source_versions.py b/backend/app/data/source_versions.py
index 4e389fb0..2e0dedfe 100644
--- a/backend/app/data/source_versions.py
+++ b/backend/app/data/source_versions.py
@@ -110,6 +110,16 @@ def load_manifest(artifact_id: str | None) -> dict[str, Any] | None:
     return doc if isinstance(doc, dict) else None
 
 
+def _signer_verified(artifact_id: str | None) -> bool:
+    """导入清单里记下的「署名是否认证」；没有清单（简单导入）、读不出来的照实算未认证。"""
+    try:
+        doc = load_manifest(artifact_id)
+    except ValueError:
+        return False
+    signer = (doc or {}).get("signed_by")
+    return bool(signer.get("verified")) if isinstance(signer, dict) else False
+
+
 def _rows_of(report: dict[str, Any] | None) -> dict[str, int]:
     """构建回执里各表的行数（执行器回执、期 1 的解析回执都是 tables: [{name, rows}]）。"""
     out: dict[str, int] = {}
@@ -1055,6 +1065,8 @@ async def import_records(session: AsyncSession, source: DataSource, imps: list[T
             # 按配方导入才有（简单导入为空）：配方、统计期、署名，接受的条数
             "recipe_id": imp.recipe_id, "period_start": imp.period_start, "period_end": imp.period_end,
             "signed_by": imp.signed_by, "overrides": len(imp.overrides or []), "waivers": len(imp.waivers or []),
+            # 署名是不是认证过的身份：按这一期导入清单里记下的（05-已知遗留 (c)；旧清单写的是 False，照记下的说，不改写）
+            "signed_by_verified": _signer_verified(imp.manifest_artifact),
             # 期 3（7.6）
             "acceptances": _acceptance_rows(imp), "revoked": imp.revoked, "manifest_artifact": imp.manifest_artifact,
             "recipe_seq": seqs.get(imp.recipe_id) if imp.recipe_id else None, "in_current": in_current,
diff --git a/backend/tests/test_signer_verified.py b/backend/tests/test_signer_verified.py
index 6d4df7f7..13e98ee0 100644
--- a/backend/tests/test_signer_verified.py
+++ b/backend/tests/test_signer_verified.py
@@ -56,6 +56,8 @@ async def test_login_on_import_manifest_and_purge_record_say_verified(admin):
     assert imp.signed_by == "root"
 
     source_id = out["source"]["id"]
+    records = (await admin.get(f"/api/datasources/{source_id}/imports")).json()
+    assert [(r["signed_by"], r["signed_by_verified"]) for r in records] == [("root", True)], "导入记录按清单里记下的说"
     resp = await admin.post(f"/api/datasources/{source_id}/imports/{imp.id}/purge-raw",
                             json={"reason": "含有不应保留的内容", "signed_by": "随手填的名字"})
     assert resp.status_code == 200, resp.text
diff --git a/frontend/src/pages/import/ManifestBody.tsx b/frontend/src/pages/import/ManifestBody.tsx
index c19a028e..b2665b84 100644
--- a/frontend/src/pages/import/ManifestBody.tsx
+++ b/frontend/src/pages/import/ManifestBody.tsx
@@ -3,7 +3,7 @@ import clsx from 'clsx'
 import type { CheckResult, ImportAcceptance, ManifestOut } from '../../types'
 import { CopyButton, Notice } from '../../components/ui'
 import { formatBytes, formatCost, formatDateTime, formatTokens } from '../../lib/format'
-import { RAW_STATE_LABEL, RECIPE_ORIGIN_LABEL, RECIPE_TEXT, VERSIONS_TEXT as VT } from '../../lib/terms'
+import { RAW_STATE_LABEL, RECIPE_ORIGIN_LABEL, RECIPE_TEXT, SIGNER_TEXT, VERSIONS_TEXT as VT } from '../../lib/terms'
 import { CheckStatusChip } from './ImportReceipt'
 import { ReceiptSummary } from './ReceiptBlocks'
 
@@ -79,7 +79,11 @@ export function ManifestBody({ m, fileName, rawState, recipeSeq }: {
               {short(c.file?.raw_sha256) && <span className="mono text-dim">{VT.sha(short(c.file?.raw_sha256))}</span>}
               {rawState != null && <span className="chip">{RAW_STATE_LABEL[rawState] ?? rawState}</span>}
             </div>
-            {c.signed_by?.name && <div className="text-2xs text-faint">{VT.signedBy(c.signed_by.name)}</div>}
+            {c.signed_by?.name && (
+              <div className="text-2xs text-faint" data-manifest-signer={c.signed_by.verified ? 'verified' : 'self'}>
+                {signerText(c.signed_by.name, !!c.signed_by.verified)}
+              </div>
+            )}
           </Block>
 
           <Block id="recipe" title={B.recipe}>
@@ -146,7 +150,9 @@ export function ManifestBody({ m, fileName, rawState, recipeSeq }: {
                       </span>
                     </div>
                     <div className="flex flex-wrap gap-x-2 text-2xs text-faint">
-                      <span>{VT.signedBy(a.signed_by || VT.unsigned)}</span>
+                      {/* 接受理由由提交这一期的人写，署名同清单的 signed_by：是不是登录身份按清单里记下的说 */}
+                      <span>{a.signed_by ? signerText(a.signed_by, !!c.signed_by?.verified && a.signed_by === c.signed_by.name)
+                        : VT.signedBy(VT.unsigned)}</span>
                       {a.at && <span className="tnum">{formatDateTime(a.at)}</span>}
                     </div>
                   </li>
@@ -235,3 +241,11 @@ function RawJson({ summary, value, attr }: { summary: string; value: unknown; at
     </details>
   )
 }
+
+/**
+ * 留痕里的署名怎么说：按记下的「是否认证」写「登录身份：x」或「署名（未认证）：x」（05-已知遗留 (c)），和确认框里那一行
+ * （VersionsDialog 的 signerLine）同一套说法。旧清单记的是未认证，照记下的说
+ */
+export function signerText(name: string, verified: boolean): string {
+  return verified ? SIGNER_TEXT.signedIn(name) : VT.signedBy(name)
+}
diff --git a/frontend/src/pages/import/VersionsDialog.tsx b/frontend/src/pages/import/VersionsDialog.tsx
index 59c3389d..b7b16d9d 100644
--- a/frontend/src/pages/import/VersionsDialog.tsx
+++ b/frontend/src/pages/import/VersionsDialog.tsx
@@ -14,7 +14,7 @@ import { signerNow } from '../../store/auth'
 import { humanizeError } from '../../lib/errors'
 import { formatBytes, formatDateTime, formatTime, parseServerTime } from '../../lib/format'
 import { RAW_STATE_LABEL, SIGNER_TEXT, VERSIONS_TEXT as VT } from '../../lib/terms'
-import { ManifestBody } from './ManifestBody'
+import { ManifestBody, signerText } from './ManifestBody'
 
 // ===========================================================================
 // 版本页（数据源卡片上的「版本」，P3-SPEC 7.8）：当前版本的各期、历史版本、全部导入记录三个页签，
@@ -447,10 +447,10 @@ function CurrentTab({ cur, recOf, busy, onManifest, onRemove, onRevoke, onPurge
               {acceptN > 0 && (
                 <details className="text-xs" data-part-acceptances={acceptN}>
                   <summary className="cursor-pointer select-none text-dim hover:text-fg">{VT.acceptCount(acceptN)}</summary>
-                  <AcceptanceList items={accepted} className="mt-1.5" />
+                  <AcceptanceList items={accepted} className="mt-1.5" signer={rec} />
                 </details>
               )}
-              {rec?.signed_by && <div className="text-2xs text-faint">{VT.signedBy(rec.signed_by)}</div>}
+              {rec?.signed_by && <div className="text-2xs text-faint">{signerText(rec.signed_by, !!rec.signed_by_verified)}</div>}
               <div className="flex flex-wrap items-center gap-1.5">
                 <button type="button" className="btn btn-xs" data-manifest-open={p.import_id} disabled={!rec}
                         onClick={() => rec && onManifest(rec)}>
@@ -522,8 +522,12 @@ function TableRows({ rows, label, attr }: { rows: Record<string, number> | null
   )
 }
 
-/** 接受逐条：种类、核对、理由、署名（未认证）、时间 */
-function AcceptanceList({ items, className }: { items: ImportAcceptance[]; className?: string }) {
+/**
+ * 接受逐条：种类、核对、理由、署名、时间。理由由提交这一期的人写：署名和导入记录的一样时，是不是登录身份按记录（清单里记下的）说
+ */
+function AcceptanceList({ items, className, signer }: {
+  items: ImportAcceptance[]; className?: string; signer?: { signed_by: string | null; signed_by_verified?: boolean } | null
+}) {
   if (!items.length) return null
   return (
     <ul className={clsx('space-y-1', className)}>
@@ -534,7 +538,9 @@ function AcceptanceList({ items, className }: { items: ImportAcceptance[]; class
             <span className="min-w-0 flex-1 break-words">{VT.acceptRow(a.check_id, a.reason)}</span>
           </div>
           <div className="flex flex-wrap gap-x-2 text-2xs text-faint">
-            <span>{VT.signedBy(a.signed_by || VT.unsigned)}</span>
+            <span>{a.signed_by
+              ? signerText(a.signed_by, !!signer?.signed_by_verified && a.signed_by === signer.signed_by)
+              : VT.signedBy(VT.unsigned)}</span>
             {a.at && <span className="tnum">{formatDateTime(a.at)}</span>}
           </div>
         </li>
@@ -654,10 +660,12 @@ function ImportsTab({ imports, busy, onManifest, onPurge }: {
             <div className="flex flex-wrap gap-x-3 gap-y-1 text-2xs text-faint">
               <span>{r.recipe_seq != null ? VT.recipeSeq(r.recipe_seq) : r.recipe_id ? '' : VT.simpleImport}</span>
               {r.created_at && <span className="tnum">{formatDateTime(r.created_at)}</span>}
-              {r.signed_by && <span>{VT.signedBy(r.signed_by)}</span>}
+              {r.signed_by && <span data-record-signer={r.signed_by_verified ? 'verified' : 'self'}>
+                {signerText(r.signed_by, !!r.signed_by_verified)}
+              </span>}
             </div>
             <TableRows rows={r.rows} attr="data-record-rows" />
-            <AcceptanceList items={r.acceptances ?? []} />
+            <AcceptanceList items={r.acceptances ?? []} signer={r} />
             <div className="flex flex-wrap items-center gap-1.5">
               <button type="button" className="btn btn-xs" data-manifest-open={r.id} onClick={() => onManifest(r)}>
                 <FileText size={11} aria-hidden /> {VT.manifest}
diff --git a/frontend/src/types.ts b/frontend/src/types.ts
index 8381edd5..1746e86f 100644
--- a/frontend/src/types.ts
+++ b/frontend/src/types.ts
@@ -1260,6 +1260,8 @@ export interface ImportRecord {
   period_start: string | null
   period_end: string | null
   signed_by: string | null
+  /** 署名是不是认证过的身份：按这一期导入清单里记下的（05-已知遗留 (c)），旧清单记的是 false。老后端不给 */
+  signed_by_verified?: boolean
   /** 接受的条数 */
   overrides: number
   waivers: number