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. 24 shown for “Pair of Birds on Branch with Roses and Butterflies” — 64 records examined, 3 dropped by the rights gate.
Archives queried 2026-09-01 22:18 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Flowers and Grasses of the Four Seasons
Kano Mitsunobu · late 16th century
Pair of Birds on Branch with Roses and Butterflies
Artist not stated in the record · ca. 1800–1830
Tapestry Room from Croome Court
Robert Adam · 1763–71
Pair of Brown Birds on Bouquet with Tulip, Rose, and Snapdragons, with Butterflies
Artist not stated in the record · ca. 1800–1830
Bird-shaped vessel
Artist not stated in the record · 3rd century
Pair of Brown Birds on Rose Stem with Butterfly and Spider
Artist not stated in the record · ca. 1800–1830
The Dispatch of the Messenger
François Boucher · 1765
Pair of Brown Birds with Blossoms, Berries, and a Butterfly
Artist not stated in the record · ca. 1800–1830
Birds and Flowers of Summer and Autumn
Shikibu Terutada · mid-16th century
Brown Bird on Branch with Persimmons and a Butterfly
Artist not stated in the record · ca. 1800–1830
Bass Viola da Gamba
John Rose · ca. 1600
Gray Bird on Branch with Tulip, Snapdragons, and Forget-Me-Nots with Butterfly
Artist not stated in the record · ca. 1800–1830
Book of Flower Studies
Master of Claude de France · ca. 1510–1515
Bird on an Orange Branch, with Butterfly
Artist not stated in the record · ca. 1800–1830
Table clock with calendar
Lucien Falize · 1881
Pink, Red, Blue, and Black Bird on Branch with Blossoms and Butterflies
Artist not stated in the record · ca. 1800–1830
Daybed (Lit de repos or sultane) (part of a set)
Jean-Baptiste-Claude Sené · 1788
Blue Bird on Bouquet of Roses and Tulips, with Butterflies
Artist not stated in the record · ca. 1800–1830
Box with Romance Scenes
Artist not stated in the record · ca. 1310–30
Yellow-and-Blue Bird on Bouquet with Rose, Tulips, and Daffodils, with Butterflies
Artist not stated in the record · ca. 1800–1830
Birds and Flowers of the Four Seasons
Artist not stated in the record · late 16th century
Small Black-and-White Bird on Rose Leaf with Blossoms and Butterflies
Artist not stated in the record · ca. 1800–1830
Evening bell from mist-shrouded temple (left); Autumn moon over Lake Dongting (right)
An Gyeon · ca. 1450–1500
Grey and Coral Bird on Bouquet with Rose, Tulip, Daisies, and Forget-Me-Nots, with Butterfly
Artist not stated in the record · ca. 1800–1830
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. 1317 matched · 24 examined · 1 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. 3792268 matched · 40 examined · 2 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 2026-09-01 22:18 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.