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. 18 shown for “Carleton E. Watkins, 11 Nov 1829 - 23 Jun 1916” — 46 records examined, 0 dropped by the rights gate.
Archives queried 2026-08-26 20:01 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Cape Horn near Celilo
Carleton E. Watkins · 1867
Carleton Watkins
Carleton E. Watkins, 11 Nov 1829 - 23 Jun 1916 · 1883
The Pride of the Forest - Calaveras Grove
Carleton E. Watkins · ca. 1878
The Palace Hotel, from Montgomery Street, San Francisco
Carleton E. Watkins, 11 Nov 1829 - 23 Jun 1916 · c. 1872
El Capitan, Yosemite
Carleton E. Watkins · 1865–66
Primitive Mining, the Old Rocker
Carleton E. Watkins, 11 Nov 1829 - 23 Jun 1916 · 1883
Section of the Grizzly Giant with Galen Clark, Mariposa Grove, Yosemite
Carleton E. Watkins · 1865–66
Alexander W. Chase
Carleton E. Watkins, 11 Nov 1829 - 23 Jun 1916 · c. 1875
Multnomah Falls Cascade, Columbia River
Carleton E. Watkins · 1867
Galen Clark
Carleton E. Watkins, 11 Nov 1829 - 23 Jun 1916 · c. 1865-66
Sugar Loaf Islands, Farallons
Carleton E. Watkins · 1868–69
Dr. William Healey Dall
Carleton E. Watkins, 11 Nov 1829 - 23 Jun 1916 · c. 1870
Jean Louis Rodolphe Agassiz
Carleton E. Watkins, 11 Nov 1829 - 23 Jun 1916 · c. 1870
Daniel Coit Gilman
Carleton E. Watkins, 11 Nov 1829 - 23 Jun 1916 · 1875
Mount Broderick, Nevada Falls, 700 Feet, Yosemite
Carleton E. Watkins, American, 1829 – 1916 · 1861–66
El Capitan, Yosemite
Carleton E. Watkins, American, 1829 – 1916 · 1861–66
Up the valley from the foot of the Mariposa Trail, Yosemite, no. 9
Carleton E. Watkins, American, 1829 – 1916 · ca. 1866
Mirror View, Mount Watkins
Carleton E. Watkins, American, 1829 – 1916 · 1861–66
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. 6 matched · 6 examined · 0 dropped by the rights gate. Kept only where isPublicDomain === true and a file URL was published.6 shown - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. 4122444 matched · 40 examined · 0 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 2026-08-26 20:01 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.