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. 21 shown for “Zhang Xiong” — 49 records examined, 6 dropped by the rights gate.
Archives queried 2026-08-28 05:20 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Landscape
Zhang Xiong
Myricaria paniculata P.Y. Zhang & Y.J. Zhang
Artist not stated in the record · 9 Jul 1984
Flowers
Zhang Xiong
Phyllolobium sp.
Artist not stated in the record · 28 Jul 2007
Rubbings and flowers
Zhang Xiong
Leptochilus wrightii (Hook.) X.C. Zhang
Artist not stated in the record · 5 Aug 1927
Plum blossoms
Zhang Xiong
Dryopteris pseudocaenopteris (Kunze) Li Bing Zhang
Artist not stated in the record · Transcribed d/m/y: 12/11/35
Flower and Toad
Zhang Xiong
Dryopteris pseudocaenopteris (Kunze) Li Bing Zhang
Artist not stated in the record
Landscape
Zhang Xiong · dated 1827
Dryopteris pseudocaenopteris (Kunze) Li Bing Zhang
Artist not stated in the record
Flower and Bird
Zhang Xiong · dated 1878
Dryopteris pseudocaenopteris (Kunze) Li Bing Zhang
Artist not stated in the record
Spiritual Stone
Zhang Xiong · dated 1858
Dryopteris nodosa (C. Presl) Li Bing Zhang
Artist not stated in the record
Fisherman's Lodge At Mount Xisai
Li Jie · ca. 1170
Dryopteris pseudocaenopteris (Kunze) Li Bing Zhang
Artist not stated in the record · Feb 1894
Dryopteris pseudocaenopteris (Kunze) Li Bing Zhang
Artist not stated in the record · Feb 1913
Dryopteris pseudocaenopteris (Kunze) Li Bing Zhang
Artist not stated in the record
Dryopteris nodosa (C. Presl) Li Bing Zhang
Artist not stated in the record · 1821
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. 9 matched · 9 examined · 0 dropped by the rights gate. Kept only where isPublicDomain === true and a file URL was published.9 shown - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. 1195 matched · 40 examined · 6 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 2026-08-28 05:20 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.