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. 11 shown for “Photographic postcard of Harriet Tubman's great nieces, Eva and Alida Stewart” — 40 records examined, 29 dropped by the rights gate.
Archives queried 2026-09-04 15:16 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Photographic postcard of Harriet Tubman's great nieces, Eva and Alida Stewart
Artist not stated in the record · ca. 1910-1914
List of attendees of the launching of the S.S. Harriet Tubman
Artist not stated in the record · June 3, 1944
Postcard of Harriet Tubman, Nelson Davis, and daughter Gertie
Artist not stated in the record · ca. 1887; printed 1992
Bottle used to christen the S.S. Harriet Tubman
Unidentified · June 3, 1944
Newspaper clipping with a portrait of Harriet Tubman
John G. Darby, active 1830s - 1860s · ca. 1868; printed 1986
Harriet Tubman
H. Seymour Squyer, 1848 - 18 Dec 1905 · c. 1885
Matte collodion print of Harriet Tubman
Artist not stated in the record · 1871-1876; printed later
Albumen print of Harriet Tubman
Artist not stated in the record · ca. 1908; printed ca. 1920
Carte-de-visite portrait of Harriet Tubman
Artist not stated in the record · 1868-1869
Pinback button for the Harriet Tubman Home
Artist not stated in the record · 1954
Harriet Tubman
John G. Darby, active 1830s - 1860s · c. 1868
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. The archive returned no records for this term.0 matched - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. 3158447 matched · 40 examined · 29 dropped by the rights gate. Kept only where metadata_usage.access === "CC0" and an image resource was published.11 shown
These figures describe the pass run at 2026-09-04 15:16 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.