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. 20 shown for “August Ferdinand Gentzmer” — 64 records examined, 35 dropped by the rights gate.
Archives queried 2026-08-30 21:16 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Hanukkah lamp
August Ferdinand Gentzmer · 1788
Ferdinand Rudolph Hassler
Auguste Edouart, 1788 - 1861 · 1841
The Dream of the Shepherd (Der Traum des Hirten)
Ferdinand Hodler · 1896
Proposed Arcade Railway Under Broadway, New York
Ferdinand Mayer and Sons · ca. 1870
Armor of Emperor Ferdinand I (1503–1564)
Kunz Lochner · dated 1549
Metastelma barbigerum Scheele
Artist not stated in the record · 1846
Grand Piano
Ferdinand Hofmann · ca. 1790
Ferdinand Rudolph Hassler
Charles Fenderich, 1805 - 1887 · 1841
At the Edge of the Forest
August Heinrich · ca. 1820
Ferdinand Hayden
Frederick Gutekunst, 25 Sep 1831 - 27 Apr 1917 · c. 1880
Ferdinand VII (1784–1833), When Prince of Asturias
Goya · ca. 1800
Ferdinand Vandiveer Hayden
E. R. Morgan · c. 1859
Bookstand
Charles-Auguste Questel · 1839
Ferdinand Vandiveer Hayden
Unidentified Artist · c. 1875
The Actor Rouvière in the Role of Hamlet, Recoiling Before the Ghost
Auguste Préault · 1866
Ferdinand W. Peck
Carlo de Fornaro, 1871 - 1949 · c. 1898
Eugène Murer (Hyacinthe-Eugène Meunier, 1841–1906)
Auguste Renoir · 1877
Swiss Girl
August Ferdinand Hopfgarten · 1833
Burgonet with Falling Buffe
Artist not stated in the record · ca. 1550
Study Sheet with a Portrait of Carl Julius Senff and Two Italian Women Walking
August Ferdinand Hopfgarten · 19th 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. 132 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. 21867 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 2026-08-30 21:16 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.