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. 9 shown for “Bob Mackie, American, born 1940” — 52 records examined, 41 dropped by the rights gate.
Archives queried 2026-09-01 19:07 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Aristotle with a Bust of Homer
Rembrandt (Rembrandt van Rijn) · 1653

Costume worn by Diana Ross as Billie Holiday in Lady Sings the Blues
Bob Mackie, American, born 1940 · 1972

Allegory of the Catholic Faith
Johannes Vermeer · ca. 1670–72

The Standard Bearer (probably Floris Soop, 1604–1657)
Rembrandt (Rembrandt van Rijn) · 1654

Portrait of a Man (Self-Portrait?)
Willem Drost · 1653 or 1655

Costume hat worn by Diana Ross as Billie Holiday in Lady Sings the Blues
Bob Mackie, American, born 1940 · 1972

Virgin and Child
Hans Memling

John F. Mackie, Medal of Honor Recipient
Artist not stated in the record

Poster for a concert at Club Paradise in Memphis
Artist not stated in the record · 1991
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. 12 matched · 12 examined · 7 dropped by the rights gate. Kept only where isPublicDomain === true and a file URL was published.5 shown - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. 1443472 matched · 40 examined · 34 dropped by the rights gate. Kept only where metadata_usage.access === "CC0" and an image resource was published.6 shown
These figures describe the pass run at 2026-09-01 19:07 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.