Two 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 “Johann Friedrich Anthing” — 64 records examined, 21 dropped by the rights gate.
Archives queried 2026-09-01 09:32 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
David Roentgen and Company in Saint Petersburg
Johann Friedrich Anthing · ca. 1784–86

Sample
Johann Friedrich Netto, German · 1798

Johann Joachim Winckelmann (1717–1768)
Anton Raphael Mengs · ca. 1777

Celebrated Authors
Jacques Llanta, 1807 - 1864 · 1833

The Banishment of Hagar
Johann Friedrich Overbeck · 1839–41

Christian VIII
Artist not stated in the record · n.d.a.

Augustus the Strong
Meissen Manufactory · ca. 1713

Monks in a Cloister
Artist not stated in the record · 1768-1839

Jug with portraits of Emperor Charles V (1500–1558) and Johann Friedrich the Magnanimous (1503–1554), elector of Saxony
Paul Preuning · ca. 1547–50

Fraktur taufschein (Birth Certificate)
Johann Jacob Friedrich Krebs, German, active United States, ca. 1749 - 1815 · ca. 1804

Harlequin with Bird and Cat
Johann Friedrich Eberlein · 1743

Allegorical Figural Group Depicting the "Peace of Basel"
Royal Porcelain Manufactory, Berlin, German, established 1763 · late 18th century

Peasant Dancers
Johann Friedrich Eberlein · ca. 1735

The Tombs, Halls of Justice
Johann Gabriel Friedrich Poppel, German, born Hammer, Germany 1807-died Ammerland, Germany 1882 · 1850

Chinese couple as incense containers
Johann Friedrich Eberlein · 1745–50, after models of 1735

Die Schlafenden Kinder
Johann Leonhard Appold, German, born Dennenlohe, Germany 1809-died Nuremberg, Germany, 1858 · n.d.

Settee (one of a pair) (part of a set)
Johann Michael Bauer · ca. 1763–64

Sampler
Artist not stated in the record · after 1795

The Fencing Lesson
Höchst Manufactory · ca. 1755

Jewelry Designs
Friedrich Jacob Morison, German, active 1693 – 1699 · ca. 1700

Sauceboat (part of a service)
Meissen Manufactory · ca. 1738

Jewelry Designs
Friedrich Jacob Morison, German, active 1693 – 1699 · ca. 1700

Asians with Artichoke as Perfume Burner
Frankenthal Porcelain Manufactory · ca. 1766

Jewelry and Ornament Designs
Friedrich Jacob Morison, German, active 1693 – 1699 · ca. 1700
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. 280 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. 11018 matched · 40 examined · 20 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 09:32 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.