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. 20 shown for “Advertisement for H. F. Warren” — 64 records examined, 36 dropped by the rights gate.
Archives queried 2026-09-10 14:05 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 Englishman (William Tom Warrener, 1861–1934) at the Moulin Rouge
Henri de Toulouse-Lautrec · 1892

Advertisement for H. F. Warren
Artist not stated in the record · c. 1856-61

The Death of Socrates
Jacques Louis David · 1787

Advertisement card for Rev. F. M. J. Mashaw
Artist not stated in the record · ca. 1910

Portrait of William Duguid
Prince Demah Barnes · 1773

Envelope for letter from H.W. Sewing for Daisy Bates Trust Fund
Unidentified · Feb 17, 1960

Ring
Artist not stated in the record · 19th century

Elodea nuttallii (Planch.) H. St. John
Artist not stated in the record · 27 Jun 1929

Brooch
Artist not stated in the record · ca. 1770

Camassia teapeae H. St. John
Artist not stated in the record · 15 May 1925

Circus Sideshow (Parade de cirque)
Georges Seurat · 1887–88

Hieracium piperi H. St. John & F.A. Warren
Artist not stated in the record · 26 Jun 1904

Antoine Laurent Lavoisier (1743–1794) and Marie Anne Lavoisier (Marie Anne Pierrette Paulze, 1758–1836)
Jacques Louis David · 1788

Eriogonum compositum var. pilicaule H. St. John & F.A. Warren
Artist not stated in the record · 12 Aug 1892

Laban Looking for the Images and Making a Covenant with Jacob from The Story of Jacob series
Artist not stated in the record · 1550–75

Advertisement for Sweet Georgia Brown skin bleaching creams
Sweet Georgia Brown, American · ca. 1930

Jacob Burying Idols Under an Oak Tree from The Story of Jacob series
Artist not stated in the record · 1550–75

Rachel and Bilhah with Dan from The Story of Jacob series
Artist not stated in the record · 1550–75

Rachel Giving Bilhah to Jacob from The Story of Jacob series
Artist not stated in the record · 1550–75

Jacob Sacrificing After Making a Covenant with Laban from The Story of Jacob series
Artist not stated in the record · 1550–75
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. 72 matched · 24 examined · 4 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. 1868901 matched · 40 examined · 32 dropped by the rights gate. Kept only where metadata_usage.access === "CC0" and an image resource was published.8 shown
These figures describe the pass run at 2026-09-10 14:05 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.