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. 12 shown for “Cirsium lidjiangense Petr. & Hand.-Mazz.” — 40 records examined, 0 dropped by the rights gate.
Archives queried 2026-09-08 21:22 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Cirsium lidjiangense Petr. & Hand.-Mazz.
Artist not stated in the record · 1 Sep 1914
Cirsium lidjiangense Petr. & Hand.-Mazz.
Artist not stated in the record · 12 Jun 1922
Cirsium lidjiangense Petr. & Hand.-Mazz.
Artist not stated in the record · May 1922 to Oct 1922
Cirsium lidjiangense Petr. & Hand.-Mazz.
Artist not stated in the record · 13 Aug 1922
Cirsium chlorolepis Petr. ex Hand.-Mazz.
Artist not stated in the record · 29 Jul 1984
Cirsium echinus (M. Bieb.) Hand.-Mazz.
Artist not stated in the record · 18
Cirsium echinus (M. Bieb.) Hand.-Mazz.
Artist not stated in the record · Jul 1856 to Aug 1856
Cirsium echinus (M. Bieb.) Hand.-Mazz.
Artist not stated in the record · 26 Jul 1948 to 27 Jul 1948
Cirsium echinus (M. Bieb.) Hand.-Mazz.
Artist not stated in the record · 4 Aug 1937
Cirsium anatolicum (Petr.) Petr. ex Grossh.
Artist not stated in the record · 17 Jul 1945
Cirsium remotifolium var. odontolepis Petr.
Artist not stated in the record · 17 Aug 1927
Cirsium remotifolium var. odontolepis Petr.
Artist not stated in the record · 21 Jun 1941
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. The archive returned no records for this term.0 matched - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. 33943 matched · 40 examined · 0 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 2026-09-08 21:22 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.