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. 23 shown for “Charles Frederick Ulrich, 18 Oct 1858 - 15 May 1908” — 54 records examined, 21 dropped by the rights gate.
Archives queried 2026-09-08 17:48 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Madame Georges Charpentier (Marguerite-Louise Lemonnier, 1848–1904) and Her Children, Georgette-Berthe (1872–1945) and Paul-Emile-Charles (1875–1895)
Auguste Renoir · 1878
Thomas Benedict Clarke
Charles Frederick Ulrich, 18 Oct 1858 - 15 May 1908 · 1884
The Crucifixion; The Last Judgment
Jan van Eyck · ca. 1436–38
A Chippeway Widow
R. T., active c. 1830s · 1838
Christ Crowned with Thorns
Antonello da Messina (Antonello di Giovanni d'Antonio)
Okee-makee-quid
Unidentified Artist · 1838
Virgin and Child in a Niche
Jan van Eyck · ca. 1440–50
A-mis-quam - A Winnebago Brave
Frederick W. Greenough, active c. 1838 · 1838
The Horse Fair
Rosa Bonheur · 1852–55
St. James's Street
James McNeill Whistler (1834-1903) · 1878
Georgiana Augusta Frederica Elliott (1782–1813), Later Lady Charles Bentinck
Sir Joshua Reynolds · 1784
Naw-kaw
Unidentified Artist · 1838
The Agony in the Garden
Raphael (Raffaello Sanzio or Santi) · ca. 1504
A Little Red Note–Dordrecht
James McNeill Whistler (1834-1903) · 1884
The Abduction of Rebecca
Eugène Delacroix · 1846
Portrait of an officer
Artist not stated in the record · ca. 1700
The Third-Class Carriage
Honoré Daumier · 1864
Caa-tou-see
Unidentified Artist · 1838
A Goldsmith in his Shop
Petrus Christus · 1449
Landscape—a hunting scene
Artist not stated in the record · 1526-1856
Studies for the Libyan Sibyl (recto); Studies for the Libyan Sibyl and a small Sketch for a Seated Figure (verso)
Michelangelo Buonarroti · ca. 1510–11
Etching plate: Rotherhithe
James McNeill Whistler (1834-1903) · 1860
Drawing of animals and plants
Artist not stated in the record · early 17th century
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. 14 matched · 14 examined · 3 dropped by the rights gate. Kept only where isPublicDomain === true and a file URL was published.11 shown - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. 3924484 matched · 40 examined · 18 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 17:48 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.