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. 20 shown for “Bronze incense burner” — 64 records examined, 32 dropped by the rights gate.
Archives queried 2026-08-28 10:26 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Bronze incense burner
Artist not stated in the record · ca. 300 BCE

Incense burner (shan lu) with cover
Artist not stated in the record · 206 BCE-220 CE

Incense burner
Artist not stated in the record · ca. 1530–40

Lidded incense burner (xianglu) with geometric decoration and narrative scenes
Artist not stated in the record · ca. 2nd century BCE

Incense burner
Artist not stated in the record · ca. mid-1st millennium BCE

Incense Burner
Artist not stated in the record · 7th-8th century

Incense burner
Artist not stated in the record · 8th century

Incense burner
Artist not stated in the record · 18th century to early 20th century

Incense Burner of Amir Saif al-Dunya wa’l-Din ibn Muhammad al-Mawardi
Ja`far ibn Muhammad ibn `Ali · dated 577 AH/1181–82 CE

Ritual grain server (gui) with square base and masks, dragons, and birds
Artist not stated in the record · ca. late 11th-early 10th century BCE
Incense Burner in Three Parts
Artist not stated in the record · ca. 6th century

Incense burner
Artist not stated in the record · 206 BCE-220 CE

Incense burner in the shape of a goose
Artist not stated in the record · early 15th century

Lidded food cauldron (ding) with painted decoration
Artist not stated in the record · 206 BCE-220 CE

Incense Burner with Dragon Spout
Artist not stated in the record · 1st–3rd century

Ohi ware incense burner in shape of a bronze vessel
Ohi VI Chozaemon (1815-1856) · mid 19th century

Ritual Incense Burner
Artist not stated in the record · ca. 6th century

Incense Burner
Artist not stated in the record · 12th century

Bronze thymiaterion (incense burner)
Artist not stated in the record · 6th century BCE

Large Bronze Dragon Incense Burner
Henri Charles Guérard · 1882–83
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. 496 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. 10615 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 2026-08-28 10:26 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.