OpenTwo 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 “Marsh” — 64 records examined, 32 dropped by the rights gate.
Archives queried 2026-09-03 04:24 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Marsh Bowl
Artist not stated in the record · ca. 1550–1458 BCE
Stegosaurus stenops Marsh, 1887
Artist not stated in the record · 1887
Slippers
Marsh · 1845–65
Allosaurus fragilis Marsh, 1877
Artist not stated in the record · 1883
Marsh Bowl
Artist not stated in the record · ca. 1473–1458 BCE
Boavus occidentalis Marsh, 1871
Artist not stated in the record · 1930
Bench Side-Panel Depicting a Calf in the Marshes
Artist not stated in the record · ca. 1386–1347 BCE
Allosaurus fragilis Marsh, 1877
Artist not stated in the record · 1884
Tile, marsh scene
Artist not stated in the record · ca. 1347–1330 BCE
Oreosaurus vagans Marsh, 1872
Artist not stated in the record · 1871
Tile from marsh scene
Artist not stated in the record · ca. 1347–1330 BCE
Oreosaurus microdus Marsh, 1872
Artist not stated in the record · 24 Sep 1871
Tile from marsh scene
Artist not stated in the record · ca. 1347–1330 BCE
Oreosaurus minutus Marsh, 1872
Artist not stated in the record · 15 Sep 1871
Tile from marsh scene
Artist not stated in the record · ca. 1347–1330 BCE
Glyptosaurus nodosus Marsh, 1871
Artist not stated in the record · 1870
Tile from marsh scene
Artist not stated in the record · ca. 1347–1330 BCE
Polypogon australis Brongn.
Artist not stated in the record · 13 Aug 1955
Tile from marsh scene
Artist not stated in the record · ca. 1347–1330 BCE
Glyptosaurus brevidens Marsh, 1871
Artist not stated in the record · 10 Sep 1871
Tile from marsh scene
Artist not stated in the record · ca. 1347–1330 BCE
Bowl Decorated with Marsh Scenes
Artist not stated in the record · ca. 1290–1224 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. 452 matched · 24 examined · 2 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. 15301 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 2026-09-03 04:24 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.