Two archives, queried live.
Every record below comes from The Met or Smithsonian Open Access and was filtered on that archive’s own rights field before it reached this page. 24 shown for “Battle of Porte St. Denis” — 64 records examined, 17 dropped by the rights gate.
Archives queried 2026-09-08 17:42 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
The Battle of Vercellae
Giovanni Battista Tiepolo · 1725–29

Battle of Porte St. Denis
Artist not stated in the record · ca. 1830

Battle between Christians and Muslims at El Sotillo
Francisco de Zurbarán · ca. 1637–39

LA PORTE ST. DENIS
Nicolas Langlois, French, 1640 - 1703 · 1672–1703

The Triumph of Marius
Giovanni Battista Tiepolo · 1729

Porte St. Denis, Plate 72 from "Vues Pittoresques des Principaux Édifices de Paris"
Les Campion Frères, Paris, France · 1792

Oeuvres de Joseph Vernet...representant divers ports de mer en France et d'Italie
Joseph Vernet · ca. 1750–1800

FONTAINE DE LA PORTE ST. DENIS / FONTAINE DE LA CHARITÉ / FONTAINE DES PETITS PERES NOIRS
Nicolas Langlois, French, 1640 - 1703 · late 17th century

The Adoration of the Shepherds
Andrea Mantegna · shortly after 1450

Porte St. Denis
Frank Edwin Scott, born Buffalo, NY 1863-died Paris, France 1929 · n.d.

The Annunciation
Hans Memling · ca. 1465–70

View of the Opera in Paris
Artist not stated in the record · 1790–1795

The Adoration of the Shepherds
El Greco (Domenikos Theotokopoulos) · ca. 1605–10

Textile Design: Les Monuments de Paris (The Monuments of Paris)
Hartmann et Fils, Munster, France · 1810–15

Scene of Military Life: A General Giving Orders
Charles Parrocel · 1744

Ruth St. Denis
Clara Sipprell, 31 Oct 1885 - 27 Dec 1975 · 1942

L'Amour a L'Espagnole
Augustin de Saint-Aubin · ca. 1780

Ruth St. Denis
Baron Adolph de Meyer, 1 Sep 1868 - 6 Jan 1946 · 1918

Doge Alvise Mocenigo (1507–1577) Presented to the Redeemer
Jacopo Tintoretto (Jacopo Robusti) · probably 1577

Ruth St. Denis
Doris Ulmann, 29 May 1882 - 28 Aug 1934 · c. 1925

L'Amour a L'Espagnole
Augustin de Saint-Aubin · ca. 1780

La Sepulture du Roy Francois Premier à St. Denis
Jean Marot, French, 1619 - 1679 · ca.1635–ca.1660

The Harvesters
Pieter Bruegel the Elder · 1565

Plan de la sepulture du Roy Francois Premier à St. Denis
Jean Marot, French, 1619 - 1679 · ca.1635–ca.1660
Where these records came from.
Two archives are wired, and only two. Each one is filtered on its own rights field — never on a title match, and never on the presence of an image file.
- The Met Collection API (Open Access)Rights field:
isPublicDomain. 36 matched · 24 examined · 1 dropped by the rights gate. Kept only where isPublicDomain === true and a file URL was published.12 shown - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. 2947325 matched · 40 examined · 16 dropped by the rights gate. Kept only where metadata_usage.access === "CC0" and an image resource was published.12 shown
These figures describe the pass run at 2026-09-08 17:42 UTC, during this request. A completed pass is kept for 24 hours and replayed for an identical search, which is what keeps repeated queries inside Smithsonian’s 30-requests-per-hour allowance. A pass in which either archive failed to answer is never kept — an outage must not be replayed as though it were a finding about the catalogue.
Wikimedia Commons and the Library of Congress are deliberately not wired. Wikimedia was confirmed, on a live query, to return CC-BY material inside the same result set as genuine public domain works, and filtering it safely has not been designed yet. loc.gov was blocked by bot detection during the source evaluation, so its rights vocabulary has never been observed — and nothing here is built on a field nobody has read.
An image file is a rights claim. It never travels without its field.