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. 12 shown for “Gold aureus of Nero” — 64 records examined, 40 dropped by the rights gate.
Archives queried 2026-08-28 23:43 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Gold aureus of Nero
Artist not stated in the record · 66–67 CE
Side table
John Wildsmith · table top 1759, base 1794
Gold aureus of Claudius
Artist not stated in the record · 41–45 CE
Gold aureus of Octavian
Artist not stated in the record · 39 BCE
Gold aureus of Diocletian
Artist not stated in the record · 293 CE
Gold aureus of Claudius
Artist not stated in the record · 41–42 CE
Gold aureus of Augustus
Artist not stated in the record · 20–19 BCE
Gold aureus of Vespasian
Artist not stated in the record · 70 CE
Gold aureus of Titus
Artist not stated in the record · 79 CE
Gold aureus of Vespasian
Artist not stated in the record · 77–78 CE
Gold aureus of Hadrian
Artist not stated in the record · 134–138 CE
Gold aureus of Julius Caesar
Artist not stated in the record · 46 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. 30 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. 2862262 matched · 40 examined · 40 dropped by the rights gate. Kept only where metadata_usage.access === "CC0" and an image resource was published.0 shown
These figures describe the pass run at 2026-08-28 23:43 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.