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 “Pieter Holsteyn II” — 64 records examined, 14 dropped by the rights gate.
Archives queried 2026-09-05 08:39 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
A Great Grey Shrike
Pieter Holsteyn II · mid-17th–late 17 century
Portrait of Pieter Brughel the Younger
Marco Sadeler · 1606
A Columbine or Granny's Bonnet (Aquilegia), with Additional Studies of Flowers
Pieter Holsteyn II · mid-17th–late 17th century
Philip II
Pieter Van Gunst, c. 1667 - 1724 · n.d.a.
A Turkey
Anonymous, Dutch
William II
Pieter Tanje, 1706 - 1760 · 1749
Studies of a Blue Beetle and Insects
Pieter Holsteyn II · ca. 1650–60
Portrait of Pieter Brueghel the Younger, from the Icones Principum Virorum
Artist not stated in the record · ca. 1636
Still Life with a Skull and a Writing Quill
Pieter Claesz · 1628
Portrait of Louis van Boisot
Artist not stated in the record · ca. 1760
The Harvesters
Pieter Bruegel the Elder · 1565
Henry Frederick
Pieter Tanje, 1706 - 1760 · 1749
Views of the Surroundings of Haarlem (Beschryvinge ende lof der stad Haerlem in Holland. In rijm bearbeyd: ende met veele oude ende nieuwe stucken buyten dicht uyt verscheyde kroniken, handvesten, brieven, memorien ofte geheugenissen ende diergelijke schriften verklaerd ende bevestigd)
Claes Jansz. Visscher · 1628
E. Tow O Koam Coning van de Rivier Volkeren
Pieter Schenk, 1660 - 1711 · 1710
The Annunciation
Peter Candid (Pieter de Witte, Pietro Candido) · ca. 1585
Sa Ga Yean Qua Rash Tow, Coning Vande Maquas alias Coning Brant
Pieter Schenk, 1660 - 1711 · 1710
Study for a Portrait of a Woman
Sir Peter Lely (Pieter van der Faes) · 1670s
Chara papillosa
Artist not stated in the record · 1898
Portrait of Pieter de Jode the Younger
Pieter de Jode II · 1606–74
Chara hydropithys Reichenbach
Artist not stated in the record · 1898
Vanitas Still Life
Jacques de Gheyn II · 1603
Sida spinosa L.
Artist not stated in the record · 17 Aug 1899 to 18 Aug 1899
Portrait of Pieter Breughel the Younger
Aegidius Sadeler II · 1606
Nitella acuminata var. subglomerata
Artist not stated in the record · 1898
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. 181 matched · 24 examined · 0 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. 35274 matched · 40 examined · 14 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 2026-09-05 08:39 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.