diff --git a/web/src/api/schema.d.ts b/web/src/api/schema.d.ts
index dedd2bf..0121ff5 100644
--- a/web/src/api/schema.d.ts
+++ b/web/src/api/schema.d.ts
@@ -411,6 +411,8 @@ export interface components {
         /** @description Full admin view of a catalogue object (all fields, all visibility levels). */
         AdminObjectView: {
             brief_description?: string | null;
+            /** @description RFC3339 UTC timestamp. */
+            created_at: string;
             current_location?: string | null;
             current_owner?: string | null;
             /** @description Flexible field values (key -> value). */
@@ -425,6 +427,8 @@ export interface components {
             recorder?: string | null;
             /** @description `YYYY-MM-DD` or null. */
             recording_date?: string | null;
+            /** @description RFC3339 UTC timestamp. */
+            updated_at: string;
             /** @description "draft" | "internal" | "public". */
             visibility: components["schemas"]["Visibility"];
         };
@@ -1089,6 +1093,14 @@ export interface operations {
                 limit?: number;
                 /** @description default 0 */
                 offset?: number;
+                /** @description object_number | object_name | updated_at | created_at | visibility (default object_number) */
+                sort?: string;
+                /** @description asc | desc (default asc) */
+                order?: string;
+                /** @description draft | internal | public — filter; unknown values ignored */
+                visibility?: string;
+                /** @description quick filter: ILIKE match on object_number or object_name */
+                q?: string;
             };
             header?: never;
             path?: never;
diff --git a/web/src/test/fixtures.ts b/web/src/test/fixtures.ts
index 3c34bc7..ce83c1f 100644
--- a/web/src/test/fixtures.ts
+++ b/web/src/test/fixtures.ts
@@ -14,6 +14,8 @@ export const amphora: AdminObjectView = {
   recorder: null,
   recording_date: null,
   visibility: "public",
+  created_at: "2026-01-02T10:00:00Z",
+  updated_at: "2026-01-05T14:30:00Z",
   fields: {},
 };