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. 20 shown for “Glass ring” — 64 records examined, 32 dropped by the rights gate.
Archives queried 2026-08-29 08:27 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Glass ring stone
Artist not stated in the record · 3rd–2nd century BCE
Design for a Chandelier
Artist not stated in the record · ca. 1830
Glass ring stone
Artist not stated in the record · 3rd–2nd century BCE
Pendant in the form of a faceted ring
Artist not stated in the record · 475-221 BCE
Glass ring stone
Artist not stated in the record · 1st century BCE–3rd century CE
Design for a Chandelier
Artist not stated in the record · ca. 1830
Glass ring stone
Artist not stated in the record · 2nd–1st century BCE
German green glass series
Ludwig Lobmeyr, Austrian, 1829 - 1917 · ca. 1890
Glass ring stone
Artist not stated in the record · ca. 3rd–2nd century BCE
Broken Glass Bottle Excavated in Anacostia
Artist not stated in the record · After 1867
Glass ring stone
Artist not stated in the record · 3rd–1st century BCE
Design for a Chandelier
Artist not stated in the record · ca. 1830
Glass ring stone
Artist not stated in the record · ca. 1st century BCE–3rd century CE
Project for a Chandelier
Artist not stated in the record · 1844
Blue glass ring stone
Artist not stated in the record · 3rd–2nd century BCE
Design for a Chandelier
Artist not stated in the record · ca. 1830
Colorless glass ring stone
Artist not stated in the record · ca. 1st century BCE–3rd century CE
Yellow glass ring stone
Artist not stated in the record · ca. 1st century BCE–3rd century CE
Black glass ring stone
Artist not stated in the record · ca. 1st century BCE–3rd century CE
Ring
Artist not stated in the record · ca. 1080–721 BCE
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. 786 matched · 24 examined · 0 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. 84302 matched · 40 examined · 32 dropped by the rights gate. Kept only where metadata_usage.access === "CC0" and an image resource was published.8 shown
These figures describe the pass run at 2026-08-29 08:27 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.