OpenTwo 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. 21 shown for “Jules Hardouin Mansart, French, 1646–1708” — 34 records examined, 0 dropped by the rights gate.
Archives queried 2026-09-07 11:07 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Design for the Marble Floor of the Dôme des Invalides, Paris
Jules Hardouin Mansart · 1691–98
Chimneypiece Designs
Jean Berain, the elder, French, 1640-1711 · 1711
Design for the Marble Floor of the Dôme des Invalides, Paris
Jules Hardouin Mansart · 1691–98
Title Page
Jean Berain, the elder, French, 1640-1711 · 1711
Porte et Cheminée de la Salle du Billard à Versailles
Jules Hardouin Mansart · 18th century
Chimneypiece Designs
Jean Berain, the elder, French, 1640-1711 · 1711
Plate, page 71 from "Ornament Designs Invented by J. Berain"
Jean Berain · late 17th–early 18th century
Chimneypiece Designs
Jean Berain, the elder, French, 1640-1711 · 1711
Door and Chimney of the Billiards room at Versailles, plate I from "Portes a Placard et Lambris"
Jean Le Pautre · 17th century
Chimneypiece Designs
Jean Berain, the elder, French, 1640-1711 · 1711
Ornament Designs Invented by J. Berain
Jean Berain · 1711 or after
Chimneypiece Designs
Jean Berain, the elder, French, 1640-1711 · 1711
PLAN ET ELEVATION DU BALDAQUIN DU VAL DE GRACE
Jules Hardouin Mansart, French, 1646–1708 · mid- 18th century
Panels from the shutters formerly in the Chapel Room at Versailles
Robert de Cotte · ca. 1710
Chimneypiece Designs
Jean Berain, the elder, French, 1640-1711 · 1711
Richard Morris Hunt
Karl Theodore Bitter · 1891, cast 1892
Chimneypiece Designs
Jean Berain, the elder, French, 1640-1711 · 1711
Veue du chasteau de Versailles (View of Versailles, garden facade)
Adam Perelle · 1680s
Chimneypiece Designs
Jean Berain, the elder, French, 1640-1711 · 1711
Chimneypiece Designs
Jean Berain, the elder, French, 1640-1711 · 1711
Chimneypiece Designs
Jean Berain, the elder, French, 1640-1711 · 1711
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. 10 matched · 10 examined · 0 dropped by the rights gate. Kept only where isPublicDomain === true and a file URL was published.10 shown - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. 24 matched · 24 examined · 0 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 2026-09-07 11:07 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.