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. 23 shown for “Unknown, Austrian” — 64 records examined, 17 dropped by the rights gate.
Archives queried 2026-08-28 08:01 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Alexander Danilovich Menshikov (1673–1729)
Unknown · probably shortly before 1704
Interior with a Curtained Bed Alcove
Unknown, Austrian · ca. 1853
Leopold I of Hapsburg 1640-1705, Emperor 1658-1705
Unknown · 1658
Design for Painted Decoration of a Wall, with Alternate Suggestions
Unknown, Austrian · 1835–50
Leopold I (1658–1705) / Relief of Vienna
Unknown · 1683
Design for Painted Decoration of a Wall, with Alternate Suggestions
Unknown, Austrian · 1835–50
Charles V, Holy Roman Emperor (1 1/2 Schautaler)
Unknown · 1532
Design for a Wallpaper with Alternative Pattern
Unknown, Austrian · 1840–60
Tulip vase from a garniture
Vienna · ca. 1725
Design for a Painted Wall Decoration, with Alternative Suggestions
Unknown, Austrian · 1835–40
Mute Viola d'Amore
Daniel Achatius Stadlmann · mid-18th century
Design for Painted Decoration of a Wall, with Alternative Suggestions
Unknown, Austrian · 1840–60
Fish-form spice container (Besamim)
Artist not stated in the record · 1813
Design for a Painted Wall Decoration
Unknown, Southern German or Austrian · 1840–60
![[Group of 5 Stereograph Views of Austria], by Franz Richard Unterberger](/_next/image?url=https%3A%2F%2Fimages.metmuseum.org%2FCRDImages%2Fph%2Fweb-large%2FDP74745.jpg&w=3840&q=75)
[Group of 5 Stereograph Views of Austria]
Franz Richard Unterberger · 1870s–1910s
Austrian Patent of Nobility
Unidentified (Austrian) · n.d.
"Schankelsofa" (Rocking Sofa)
Unknown Designer · ca. 1880
At Sea--Signalling a Passing Steamer, from Every Saturday, April 8, 1871
Winslow Homer, born Boston, MA 1836-died Prout's Neck, ME 1910 · 1871
Heroic Landscape with Rainbow
Joseph Anton Koch · 1824
Henry Wadsworth Longfellow, from Ballou's Pictorial Drawing-Room Companion, December 25, 1858
Winslow Homer, born Boston, MA 1836-died Prout's Neck, ME 1910 · 1858
Mäda Primavesi (1903–2000)
Gustav Klimt · 1912–13
"Come!", from The Galaxy, September 1869
Winslow Homer, born Boston, MA 1836-died Prout's Neck, ME 1910 · 1869
Rarey's Horse-Taming, from Harper's Weekly, January 19, 1861
Unidentified · 1861
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. 60 matched · 24 examined · 13 dropped by the rights gate. Kept only where isPublicDomain === true and a file URL was published.11 shown - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. 392062 matched · 40 examined · 4 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 2026-08-28 08:01 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.