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. 22 shown for “Amplifier used as part of a DJ setup” — 64 records examined, 20 dropped by the rights gate.
Archives queried 2026-09-02 16:23 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Table clock with calendar
Lucien Falize · 1881

Amplifier used as part of a DJ setup
Artist not stated in the record · 1970s

Traveling clock watch with alarm
Thomas Tompion · ca. 1680

Amplifier used as part of a DJ setup
Artist not stated in the record · 1970s

Merry Company on a Terrace
Jan Steen · ca. 1670

Amplifier used as part of a DJ setup
Artist not stated in the record · 1970s

The Forest in Winter at Sunset
Théodore Rousseau · ca. 1846–67

The Adoration of the Magi
Bartolo di Fredi · ca. 1390

Horn speaker used as part of a DJ setup
Artist not stated in the record · 1970s

"Shah Jahan on a Terrace, Holding a Pendant Set With His Portrait", Folio from the Shah Jahan Album
Chitarman · recto: dated 1627–28; verso: ca. 1530–50

Horn speaker used as part of a DJ setup
Artist not stated in the record · 1970s

Arganonä Maryam (The Organ of Mary) prayer book
Baselyos, also known as "The Ground Hornbill Master" · late 17th century

Tweeter speakers used as part of a DJ setup
Artist not stated in the record · 1990s

Madonna and Child Enthroned with Saints
Raphael (Raffaello Sanzio or Santi) · ca. 1504

Speaker used as part of a DJ setup
Artist not stated in the record · 1970s

Cardinal Fernando Niño de Guevara (1541–1609)
El Greco (Domenikos Theotokopoulos) · ca. 1600

Speaker used as part of a DJ setup
Artist not stated in the record · 1970s

Watch
F. L. Meybom · ca. 1670–75

Tweeters used as part of a DJ setup
Artist not stated in the record · 1990s

Watch case
George Harrison · probably ca. 1770

Tweeter box speakers used as part of a DJ setup
Artist not stated in the record · 1970s

The Third-Class Carriage
Honoré Daumier · 1864
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. 61 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. 3889922 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 2026-09-02 16:23 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.