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. 12 shown for “Post Office Department, (1792-1971)” — 24 records examined, 1 dropped by the rights gate.
Archives queried 2026-09-01 05:43 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.Smithsonian Open Access: HTTP 429 from api.si.edu. Results from the remaining archive are shown unchanged — nothing is substituted for a source that did not answer.
The Post Office
Thomas Rowlandson · 1813
Antoine Laurent Lavoisier (1743–1794) and Marie Anne Lavoisier (Marie Anne Pierrette Paulze, 1758–1836)
Jacques Louis David · 1788
Mantel clock with musical movement
Jean-Baptiste-André Furet · ca. 1784
Sebastián Martínez y Pérez (1747–1800)
Goya (Francisco de Goya y Lucientes) · 1792
The Outer Harbor of Brest
Henri Joseph van Blarenberghe · 1773
Staff with Saint Anthony of Padua
Kongo artist · 19th century
Watch
Pierre Vernede · ca. 1650
Standing Figure with Jeweled Headdress
Artist not stated in the record · 12th–early 13th century
Madame Georges Charpentier (Marguerite-Louise Lemonnier, 1848–1904) and Her Children, Georgette-Berthe (1872–1945) and Paul-Emile-Charles (1875–1895)
Auguste Renoir · 1878
Illustration of Su Shi’s “Second Rhapsody on Red Cliff”
Zhang Ruitu · dated 1628
Tsagain Myo: A Roadway
Linnaeus Tripe · August 29–30, 1855
New York from the Steeple of St. Paul's Church, Looking East, South, and West
Henry A. Papprill · 1849
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. 37 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. HTTP 429 from api.si.edu. No records from this archive are shown for this query.Unavailable
These figures describe the pass run at 2026-09-01 05:43 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.