diff --git a/apps/identity-service/src/data-rights-authenticated-application.test.ts b/apps/identity-service/src/data-rights-authenticated-application.test.ts
new file mode 100644
index 00000000..087a187f
--- /dev/null
+++ b/apps/identity-service/src/data-rights-authenticated-application.test.ts
@@ -0,0 +1,82 @@
+import { describe, expect, it } from 'vitest';
+
+const SESSION_BODY = Object.freeze({
+  sessionId: '11111111-1111-4111-8111-111111111111',
+  userId: '22222222-2222-4222-8222-222222222222',
+  workspaceId: '33333333-3333-4333-8333-333333333333',
+  authenticatedAt: '2026-08-09T17:55:00.000Z',
+  createdAt: '2026-08-09T17:56:00.000Z',
+  expiresAt: '2026-08-10T17:56:00.000Z',
+});
+
+interface AuthenticatedApplicationConstructor {
+  new (
+    sessions: {
+      introspectSession(cookieHeader: string | undefined): Promise<{
+        statusCode: 200;
+        body: typeof SESSION_BODY;
+      }>;
+    },
+    dataRights: {
+      exportWorkspace(context: {
+        readonly workspaceId: string;
+        readonly actorUserId: string;
+      }): Promise<unknown>;
+    },
+    options: {
+      readonly now: () => Date;
+      readonly maximumAgeMs: number;
+    },
+  ): {
+    exportWorkspace(cookieHeader: string | undefined): Promise<unknown>;
+  };
+}
+
+async function applicationConstructor(): Promise<AuthenticatedApplicationConstructor> {
+  const modulePath = './data-rights-authenticated-application';
+  const module = (await import(modulePath).catch(() => ({}))) as Readonly<
+    Record<string, unknown>
+  >;
+  expect(typeof module.AuthenticatedDataRightsApplication).toBe('function');
+  return module.AuthenticatedDataRightsApplication as AuthenticatedApplicationConstructor;
+}
+
+describe('AuthenticatedDataRightsApplication', () => {
+  it('derives export ownership only from the authenticated recent session', async () => {
+    const AuthenticatedDataRightsApplication = await applicationConstructor();
+    const contexts: unknown[] = [];
+    const sessions = {
+      async introspectSession(cookieHeader: string | undefined) {
+        expect(cookieHeader).toBe('life_os_session=opaque-session');
+        return { statusCode: 200 as const, body: SESSION_BODY };
+      },
+    };
+    const dataRights = {
+      async exportWorkspace(context: {
+        readonly workspaceId: string;
+        readonly actorUserId: string;
+      }) {
+        contexts.push(context);
+        return { schemaVersion: 'life-os.data-export.v1' };
+      },
+    };
+    const application = new AuthenticatedDataRightsApplication(
+      sessions,
+      dataRights,
+      {
+        now: () => new Date('2026-08-09T18:00:00.000Z'),
+        maximumAgeMs: 10 * 60 * 1000,
+      },
+    );
+
+    await expect(
+      application.exportWorkspace('life_os_session=opaque-session'),
+    ).resolves.toEqual({ schemaVersion: 'life-os.data-export.v1' });
+    expect(contexts).toEqual([
+      {
+        workspaceId: SESSION_BODY.workspaceId,
+        actorUserId: SESSION_BODY.userId,
+      },
+    ]);
+  });
+});
diff --git a/apps/identity-service/src/data-rights-authenticated-application.ts b/apps/identity-service/src/data-rights-authenticated-application.ts
new file mode 100644
index 00000000..2609312a
--- /dev/null
+++ b/apps/identity-service/src/data-rights-authenticated-application.ts
@@ -0,0 +1,58 @@
+import type { DataRightsWorkspaceContext } from './data-rights';
+import { requireRecentAuthentication } from './oauth-http-boundary';
+
+interface SessionView {
+  readonly userId: string;
+  readonly workspaceId: string;
+  readonly authenticatedAt: string;
+}
+
+interface SessionIntrospectionApplication {
+  introspectSession(cookieHeader: string | undefined): Promise<{
+    readonly statusCode: number;
+    readonly body: SessionView;
+  }>;
+}
+
+interface DataRightsExportApplication {
+  exportWorkspace(context: DataRightsWorkspaceContext): Promise<unknown>;
+}
+
+interface RecentAuthenticationOptions {
+  readonly now: () => Date;
+  readonly maximumAgeMs: number;
+}
+
+/**
+ * Establishes the authenticated application boundary for data-rights exports.
+ * Workspace and actor ownership are derived exclusively from the opaque session,
+ * and the request is rejected before data-rights work when authentication is stale.
+ */
+export class AuthenticatedDataRightsApplication {
+  constructor(
+    private readonly sessions: SessionIntrospectionApplication,
+    private readonly dataRights: DataRightsExportApplication,
+    private readonly options: RecentAuthenticationOptions,
+  ) {}
+
+  /**
+   * Exports the session-owned workspace after enforcing the configured recent-authentication window.
+   */
+  async exportWorkspace(cookieHeader: string | undefined): Promise<unknown> {
+    const session = await this.sessions.introspectSession(cookieHeader);
+    if (session.statusCode !== 200) {
+      throw new Error('Authentication is required');
+    }
+    requireRecentAuthentication({
+      authenticatedAt: session.body.authenticatedAt,
+      now: this.options.now(),
+      maximumAgeMs: this.options.maximumAgeMs,
+    });
+    return this.dataRights.exportWorkspace(
+      Object.freeze({
+        workspaceId: session.body.workspaceId,
+        actorUserId: session.body.userId,
+      }),
+    );
+  }
+}
diff --git a/apps/identity-service/src/data-rights-recent-auth.test.ts b/apps/identity-service/src/data-rights-recent-auth.test.ts
new file mode 100644
index 00000000..93317b6a
--- /dev/null
+++ b/apps/identity-service/src/data-rights-recent-auth.test.ts
@@ -0,0 +1,75 @@
+import { describe, expect, it } from 'vitest';
+import * as oauthBoundary from './oauth-http-boundary';
+
+type RecentAuthenticationGate = (input: {
+  readonly authenticatedAt: string;
+  readonly now: Date;
+  readonly maximumAgeMs: number;
+}) => string;
+
+function recentAuthenticationGate(): RecentAuthenticationGate {
+  const candidate = (
+    oauthBoundary as unknown as Readonly<Record<string, unknown>>
+  ).requireRecentAuthentication;
+  expect(typeof candidate).toBe('function');
+  return candidate as RecentAuthenticationGate;
+}
+
+describe('data-rights recent authentication gate', () => {
+  it('accepts an authentication instant at the exact maximum age boundary', () => {
+    const requireRecentAuthentication = recentAuthenticationGate();
+
+    expect(
+      requireRecentAuthentication({
+        authenticatedAt: '2026-08-09T17:50:00.000Z',
+        now: new Date('2026-08-09T18:00:00.000Z'),
+        maximumAgeMs: 10 * 60 * 1000,
+      }),
+    ).toBe('2026-08-09T17:50:00.000Z');
+  });
+
+  it('rejects a stale authentication instant even when the session itself is still valid', () => {
+    const requireRecentAuthentication = recentAuthenticationGate();
+
+    expect(() =>
+      requireRecentAuthentication({
+        authenticatedAt: '2026-08-09T17:49:59.999Z',
+        now: new Date('2026-08-09T18:00:00.000Z'),
+        maximumAgeMs: 10 * 60 * 1000,
+      }),
+    ).toThrow('Recent authentication is required');
+  });
+
+  it('fails closed on future, malformed, or invalid policy timestamps', () => {
+    const requireRecentAuthentication = recentAuthenticationGate();
+
+    expect(() =>
+      requireRecentAuthentication({
+        authenticatedAt: '2026-08-09T18:00:00.001Z',
+        now: new Date('2026-08-09T18:00:00.000Z'),
+        maximumAgeMs: 10 * 60 * 1000,
+      }),
+    ).toThrow('Authentication provenance is invalid');
+    expect(() =>
+      requireRecentAuthentication({
+        authenticatedAt: 'not-an-instant',
+        now: new Date('2026-08-09T18:00:00.000Z'),
+        maximumAgeMs: 10 * 60 * 1000,
+      }),
+    ).toThrow('Authentication provenance is invalid');
+    expect(() =>
+      requireRecentAuthentication({
+        authenticatedAt: '2026-08-09T17:55:00.000Z',
+        now: new Date('invalid'),
+        maximumAgeMs: 10 * 60 * 1000,
+      }),
+    ).toThrow('Recent authentication policy is invalid');
+    expect(() =>
+      requireRecentAuthentication({
+        authenticatedAt: '2026-08-09T17:55:00.000Z',
+        now: new Date('2026-08-09T18:00:00.000Z'),
+        maximumAgeMs: 0,
+      }),
+    ).toThrow('Recent authentication policy is invalid');
+  });
+});
diff --git a/apps/identity-service/src/oauth-http-boundary.ts b/apps/identity-service/src/oauth-http-boundary.ts
index cef4de2c..d8d35127 100644
--- a/apps/identity-service/src/oauth-http-boundary.ts
+++ b/apps/identity-service/src/oauth-http-boundary.ts
@@ -91,6 +91,43 @@ function requirePositiveInteger(value: number, message: string): number {
   return value;
 }
 
+/**
+ * Requires authentication provenance to fall within one bounded recent-authentication window.
+ */
+export function requireRecentAuthentication(input: {
+  readonly authenticatedAt: string;
+  readonly now: Date;
+  readonly maximumAgeMs: number;
+}): string {
+  if (
+    !(input.now instanceof Date) ||
+    !Number.isFinite(input.now.getTime()) ||
+    !Number.isSafeInteger(input.maximumAgeMs) ||
+    input.maximumAgeMs <= 0
+  ) {
+    throw new Error('Recent authentication policy is invalid');
+  }
+
+  if (typeof input.authenticatedAt !== 'string') {
+    throw new Error('Authentication provenance is invalid');
+  }
+  const authenticatedAtMs = Date.parse(input.authenticatedAt);
+  if (!Number.isFinite(authenticatedAtMs)) {
+    throw new Error('Authentication provenance is invalid');
+  }
+  const canonicalAuthenticatedAt = new Date(authenticatedAtMs).toISOString();
+  if (
+    canonicalAuthenticatedAt !== input.authenticatedAt ||
+    authenticatedAtMs > input.now.getTime()
+  ) {
+    throw new Error('Authentication provenance is invalid');
+  }
+  if (input.now.getTime() - authenticatedAtMs > input.maximumAgeMs) {
+    throw new Error('Recent authentication is required');
+  }
+  return canonicalAuthenticatedAt;
+}
+
 /**
  * Parses a bounded Cookie header without decoding or accepting duplicate names.
  */