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 “Shouldered jar with two lugs” — 64 records examined, 34 dropped by the rights gate.
Archives queried 2026-08-28 12:07 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Shouldered jar with two lugs
Artist not stated in the record · ca. 3650–3300 BCE

Tea-leaf storage jar with four lugs and "Sobokai" mark
Artist not stated in the record · 1630-1750

Jar
Chantilly · ca. 1735–40

Jar and lid
Artist not stated in the record · possibly 19th century

Squat jar with two lugs
Artist not stated in the record · ca. 2649–2630 BCE

Satchel for letter carriers
Artist not stated in the record · c. 1943-1963

Squat jar with lug handles
Artist not stated in the record · ca. 3850–2960 BCE

Jar and cover
Artist not stated in the record · possibly 19th century

Terracotta neck-amphora (storage jar)
New York Nessos Painter · second quarter of the 7th century BCE

1915 Mauser Gewehr 98 Bolt Action Rifle
Mauser, German, founded 1811 · 1915-1916

Jar (Guan)
Artist not stated in the record · Machang phase, ca. 2350–2050 BCE

Jar
William Frend De Morgan, British, 1839–1917 · ca. 1888–97

Two Children Teasing a Cat
Annibale Carracci

Karatsu ware tea-leaf storage jar with five loop lugs
Artist not stated in the record · 1630-1660

Jar with two handles
Artist not stated in the record · 1st century

Two models, 8 drinking from water jar, on shoulder of 1
Muybridge, Eadweard · 1884-1886

Small High-shouldered Jar with Lugs
Artist not stated in the record · ca. 3100–2650 B.C.

Lidded Jar with Full Moon and Birds
Rookwood Pottery, American, 1880 - 1967 · 1884

Two-handled Jar
Artist not stated in the record · ca. 1st–2nd century CE

Tamba ware tea-leaf storage jar
Artist not stated in the record · late 17th century

Glass jar with two handles (amphora)
Artist not stated in the record · 3rd century CE

Marble vase with high foot and four lug handles
Artist not stated in the record · ca. 3000–2800 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. 158 matched · 24 examined · 4 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. 282241 matched · 40 examined · 30 dropped by the rights gate. Kept only where metadata_usage.access === "CC0" and an image resource was published.10 shown
These figures describe the pass run at 2026-08-28 12:07 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.