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 “Laurent Charles d' Houry” — 64 records examined, 6 dropped by the rights gate.
Archives queried 2026-08-28 08:36 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Almanach royal : année bissextile M.DCC.LXXXIV. présenté a Sa Majesté pour la premiere fois en 1699 par Laurent d'Houry ...
Laurent Charles d' Houry · 1783
Clidemia sericea D. Don
Artist not stated in the record · 26 Feb 1966
Almanach royal, année bissextile M.DCC.LXXXIV.
Laurent Charles d' Houry · 1783
Primula egaliksensis Wormsk.
Artist not stated in the record · 19 Jul 1926
Almanach royal, année bissextile M.DCC.LXXXVIII, présenté a sa Majeste pour la premiere fois en 1699
Laurent Charles d' Houry · 1787
Draba glabella Pursh
Artist not stated in the record · 17 Jul 1924
Almanach royal, année bissextile M.DCC.LXCII : présenté a sa Majeste pour la premiere fois en 1699 par Laurent d'Houry
Imprimerie de Testu · 1791
Anemone parviflora Michx.
Artist not stated in the record · 19 Jul 1926
Antoine Laurent Lavoisier (1743–1794) and Marie Anne Lavoisier (Marie Anne Pierrette Paulze, 1758–1836)
Jacques Louis David · 1788
Cerastium alpinum L.
Artist not stated in the record · 12 Aug 1925
The Rebuke of Adam and Eve
Charles Joseph Natoire · 1740
Juncus balticus var. littoralis Engelm.
Artist not stated in the record · 20 Jul 1924
Maria Luisa of Parma (1751–1819), Later Queen of Spain
Laurent Pécheux · 1765
Setaria viridis (L.) P. Beauv.
Artist not stated in the record · 11 Aug 1925
Allegory of Music
Laurent de La Hyre · 1649
Sparganium angustifolium Michx.
Artist not stated in the record · 11 Aug 1925
Self Portrait
Philippe Laurent Roland · ca. 1785
Carex rupestris All.
Artist not stated in the record · 12 Aug 1925
Portrait of Laurent Cars
Augustin de Saint-Aubin · 1768
Carex rupestris All.
Artist not stated in the record · 20 Jul 1926
Rapier of Emperor Charles V (1500–1558)
Francesco Negroli · ca. 1550–53
Eriophorum tenellum Nutt.
Artist not stated in the record · 11 Aug 1925
Fortified Wall at Tivoli
Simon Denis · ca. 1786–1806
Eriophorum virginicum L.
Artist not stated in the record · 11 Aug 1925
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. 94 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. 802979 matched · 40 examined · 5 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 08:36 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.