Two 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 “Attendants in a Procession” — 40 records examined, 20 dropped by the rights gate.
Archives queried 2026-08-27 03:39 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.The Metropolitan Museum of Art: HTTP 403 from collectionapi.metmuseum.org. Results from the remaining archive are shown unchanged — nothing is substituted for a source that did not answer.

Patent model of an envelope-folding machine
Artist not stated in the record · June 21, 1853

The Exposition of the Holy Sacrament, Attended by Louis XIV and His Mother, Anne of Austria
Stefano della Bella, Italian, 1610–1664 · ca. 1650

Delta "Flight Attendant in Charge" pin worn by Eugene Harmond
Delta Air Lines, American, founded 1925 · 1973-2001

Man at Supper with Attendants
Felice Giani, Italian, 1758–1823 · 1795–1810

Sidewall
Artist not stated in the record · ca. 1800

Selective Service notification letter
Artist not stated in the record · September 17, 1917

Study for "Diana and Her Attendants among the Constellations"
Francis Augustus Lathrop, American, 1849–1909 · ca. 1894

Study for "Diana and Her Attendants among the Constellations"
Francis Augustus Lathrop, American, 1849–1909 · ca. 1894

Study for "Diana and Her Attendants among the Constellations"
Francis Augustus Lathrop, American, 1849–1909 · ca. 1894

Study for "Diana and Her Attendants among the Constellations"
Francis Augustus Lathrop, American, 1849–1909 · ca. 1894

Study for "Diana and Her Attendants among the Constellations"
Francis Augustus Lathrop, American, 1849–1909 · ca. 1894

Study for "Diana and Her Attendants among the Constellations"
Francis Augustus Lathrop, American, 1849–1909 · ca. 1894
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. HTTP 403 from collectionapi.metmuseum.org. No records from this archive are shown for this query.Unavailable - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. 7483321 matched · 40 examined · 20 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 2026-08-27 03:39 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.