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. 24 shown for “Box of type set and handstamp key” — 64 records examined, 22 dropped by the rights gate.
Archives queried 2026-09-01 01:04 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Studiolo from the Ducal Palace in Gubbio
Francesco di Giorgio Martini · ca. 1478–82
Box of type set and handstamp key
Artist not stated in the record · c. 1955
Armor for Man and Horse
Artist not stated in the record · comprehensively ca. 1450–1550
Duplex handstamp
Artist not stated in the record · c. 1955
Automaton in the form of a chariot pushed by a Chinese attendant and set with a clock
James Cox · 1766
German Valley, NJ, postmark handstamp
Artist not stated in the record · c. 1860-1870
Madonna and Child
Simone Martini · ca. 1326
Maryland Line, MD, postmark handstamp
Artist not stated in the record · c. 1860-1870
Saint Matthew
Antonio Susini · 1596
Circular date handstamp
Henry Chambers & Brothers · 1902
Panel
Artist not stated in the record · second half 8th century
Maryland Line, MD, postmark handstamp
Artist not stated in the record · early 1870s
Set of Ten Bowls (Hachi) with Egrets
Artist not stated in the record · 1639
Union, ME, duplex handstamp
Artist not stated in the record · 1904
Set of Ten Bowls (Hachi) with Egrets
Artist not stated in the record · 1639
Cleveland, OH, postmark handstamp
Artist not stated in the record · March 1, 1904
Set of Ten Bowls (Hachi) with Egrets
Artist not stated in the record · 1639
Type set
Artist not stated in the record · 1935-1940
Set of Ten Bowls (Hachi) with Egrets
Artist not stated in the record · 1639
Key check tag with belt loop
Artist not stated in the record · c. 1980
Set of Ten Bowls (Hachi) with Egrets
Artist not stated in the record · 1639
Handstamp
Artist not stated in the record · 1985
Set of Ten Bowls (Hachi) with Egrets
Artist not stated in the record · 1639
Circular date handstamp
Artist not stated in the record · c. 1860-1870
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. 697 matched · 24 examined · 1 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. 7465524 matched · 40 examined · 21 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 2026-09-01 01:04 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.