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 “Photograph of postcard of transporting US mail in Alaska” — 64 records examined, 32 dropped by the rights gate.
Archives queried 2026-09-09 17:47 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Picquigny
Frits Thaulow · 1899
Photograph of postcard of transporting US mail in Alaska
Artist not stated in the record · c. 1910
The Crucifixion; The Last Judgment
Jan van Eyck · ca. 1436–38
Photograph of postcard of US mail leaving Seward for Anchorage, Alaska
Artist not stated in the record · c. 1905
Christ Blessing, Surrounded by a Donor Family
German Painter · ca. 1573–82
Photograph of postcard of prize dog team in the Arctic
Artist not stated in the record · 1911
The Rehearsal of the Ballet Onstage
Edgar Degas · ca. 1874
![Photograph of Seward and Susitna [Alaska] mail team](/_next/image?url=https%3A%2F%2Fids.si.edu%2Fids%2Fdownload%3Fid%3DNPM-A.2009-35.jpg&w=3840&q=75)
Photograph of Seward and Susitna [Alaska] mail team
Artist not stated in the record · 1913
Basket of Flowers
Eugène Delacroix · 1848–49
Photograph of postcard with mail team leaving Circle City for Ft. Gibson, Alaska
Artist not stated in the record · c. 1900
Commode à vantaux
David Roentgen · ca. 1775–79 with later alterations
Photographic postcard of Pullman Porter, T.R. Joseph
Artist not stated in the record · ca. 1930s
Alaskan dog sled
Artist not stated in the record · 1922-1938
Photographic postcard of Pullman Porter, Omer Ester and his wife Jean
Artist not stated in the record · ca. 1930s
Photograph of US mail streetcar
Artist not stated in the record · c. 1898
Photograph of mail streetcar in Washington, DC
Artist not stated in the record · c. 1900
Photograph of mail streetcar in St. Louis, Missouri
Artist not stated in the record · c. 1896
Post route map of the Territory of Alaska
Artist not stated in the record · 1928
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. 47 matched · 24 examined · 18 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. 7484863 matched · 40 examined · 14 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 2026-09-09 17:47 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.