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. 19 shown for “Joseph Willems” — 64 records examined, 36 dropped by the rights gate.
Archives queried 2026-09-04 04:06 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Man with a Mixing Bowl
Joseph Willems · 1736
Chauve-Souris (program)
Ralph Barton, 14 Aug 1891 - 19 May 1931 · c. 1922
Figure of a Beggar
Joseph Willems · ca. 1754–55
Portrait of Willem de Vos, from the Icones Principum Virorum
Artist not stated in the record · 1660
Chinese musicians
Chelsea Porcelain Manufactory · ca. 1755
Mrs. J.J. Green
William Bache, 22 Dec 1771 - 9 Jul 1845 · c. 1803-04
The Music Lesson
Chelsea Porcelain Manufactory · ca. 1765
Fumaria schleicheri Soy.-Willem.
Artist not stated in the record · 5 Jul 1929
Sight (one of a pair)
Chelsea Porcelain Manufactory · ca. 1755
Fumaria schleicheri Soy.-Willem.
Artist not stated in the record · 21 May 1931
Hearing (one of a pair)
Chelsea Porcelain Manufactory · ca. 1755
Fumaria schleicheri Soy.-Willem.
Artist not stated in the record · 20 May 1938
The Massacre of the Innocents
François Joseph Navez · 1824
Fumaria schleicheri Soy.-Willem.
Artist not stated in the record · 17 Jul 1905
Summer and Autumn
Chelsea Porcelain Manufactory · ca. 1765
Winter and Spring
Chelsea Porcelain Manufactory · ca. 1765
Mother and Child, based on the print, “Le mérite de tout pais”
Chelsea Porcelain Manufactory · ca. 1749–50
Ceres
Chelsea Porcelain Manufactory · ca. 1748–50
La Nourrice
Chelsea Porcelain Manufactory · ca. 1753–55
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. 52 matched · 24 examined · 3 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. 88297 matched · 40 examined · 33 dropped by the rights gate. Kept only where metadata_usage.access === "CC0" and an image resource was published.7 shown
These figures describe the pass run at 2026-09-04 04:06 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.