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. 24 shown for “Patent Model of a Platen Printing Press” — 64 records examined, 2 dropped by the rights gate.
Archives queried 2026-09-05 20:42 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Vase (vase gothique Fragonard) (one of a pair)
Alexandre Evariste Fragonard · manufactured 1832, decorated 1844

Patent Model of a Platen Printing Press
Hawkes, Charles W. · ca 1850

Colt Third Model Dragoon Percussion Revolver, serial no. 12406
Samuel Colt · ca. 1853

Patent Model of a Platen Printing Press
Manley, Horace A. · ca 1879

Annunciation Triptych (Merode Altarpiece)
Robert Campin · ca. 1427–32

Patent Model of a Platen Printing Press
Gordon, George Phineas · ca 1861

The Crucifixion
Master of the Codex of Saint George · ca. 1330–35

Patent Model of a Platen Printing Press
Gilman, Edward L. · ca 1879

Standing Figure with Jeweled Headdress
Artist not stated in the record · 12th–early 13th century

Patent Model of a Platen Printing Press
Griffiths, Harry S. · ca 1880

The Jabach Family
Charles Le Brun · ca. 1660

Patent Model of a Platen Printing Press
Kneeland, J. C. · ca 1845

Ia Orana Maria (Hail Mary)
Paul Gauguin · 1891

Patent Model of a Platen Printing Press
Golding, William H. · ca 1882

Virgin and Child
Gerard David · 1490–1523

Patent Model of a Platen Printing Press
Kritch, William C. · ca 1877

Young Ladies of the Village
Gustave Courbet · 1851–52

Patent Model of a Platen Printing Press
Jones, John M. · ca 1879

Gold-inlaid Colt Model 1851 Navy Revolver (serial no. 20133), with Case and Accessories
Samuel Colt · ca. 1853

Patent Model of a Platen Printing Press
Forbush, Walter H. · ca 1869

Cased Colt Model 1860 Army Percussion Revolver, Serial no. 7569, with Accessories
Samuel Colt · 1861

Patent Model of a Platen Printing Press
Gilman, Edward L. · ca 1878

Portrait of a Woman
Rembrandt (Rembrandt van Rijn) · 1633

Patent Model of a Platen Printing Press
Trueman, Henry P. · ca 1882
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. 181 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. 3862773 matched · 40 examined · 1 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 2026-09-05 20:42 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.