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 “Max Cramer, active c. 1902” — 62 records examined, 3 dropped by the rights gate.
Archives queried 2026-09-01 08:04 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Tommaso di Folco Portinari (1428–1501); Maria Portinari (Maria Maddalena Baroncelli, born 1456)
Hans Memling · ca. 1470
Russell Sage
Max Cramer, active c. 1902 · 1902
Saint Michael; The Mass of Saint Gregory; Saint Jerome
Master of the Saint Catherine Legend
Russell Sage
Max Cramer, active c. 1902 · 1902
The Annunciation
Hans Memling · 1480–89
William Collins Whitney
Max Cramer, active c. 1902 · 1902
A Goldsmith in his Shop
Petrus Christus · 1449
William Collins Whitney
Max Cramer, active c. 1902 · 1902
Head of Christ (Ecce Homo)
Petrus Christus · ca. 1445
Cuphea melanium (L.) Cramer
Artist not stated in the record · 1 Feb 1902 to 7 Feb 1902
Man Weighing Gold
Adriaen Isenbrant · ca. 1515–20
Cuphea melanium (L.) Cramer
Artist not stated in the record · 21 Apr 1929
Portrait of a Woman, possibly Ginevra d'Antonio Lupari Gozzadini
Maestro delle Storie del Pane · 1494?
Gustav Cramer and George William Harris
Harris & Ewing Studio, active 1905 - 1977 · c. 1908
Virgin and Child
Hans Memling · Early sixteenth century
Cuphea melanium (L.) Cramer
Artist not stated in the record · 24 Jul 1990
The Lamentation
Ambrosius Benson · ca. 1520–25
Wissadula periplocifolia (L.) C. Presl ex Thwaites
Artist not stated in the record · 20 Jan 1972
.jpg&w=3840&q=75)
Clarinet in C
Richard Bilton · mid to late 19th century
Scytonema pellucidum C. Cramer in Rabenh.
Artist not stated in the record · Sep 1856
Footed Bowl with Eagle Emblem
Artist not stated in the record · mid-13th century
Scytonema pellucidum C. Cramer in Rabenh.
Artist not stated in the record · Sep 1856
Tilla Durieux (Ottilie Godeffroy, 1880–1971)
Auguste Renoir · 1914
Gloeocapsa alpina Näg. in C. Cramer
Artist not stated in the record · Jul 1859
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. 22 matched · 22 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. 1473158 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 08:04 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.