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. 19 shown for “Louis Poterat Manufactory” — 64 records examined, 33 dropped by the rights gate.
Archives queried 2026-08-28 01:22 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Potpourri jar
Louis Poterat Manufactory · ca. 1690–95
Portrait Medallion of Louis XVIII
Sèvres Porcelain Manufactory, French, established 1756 · ca. 1815
Potpourri with cover
Niderviller · 1760–65
Sauceboat
Clignancourt Porcelain Manufactory, French, active by 1771 - ca. 1791 · 1775–1785
Bottle cooler from the Louis XV service (seau à bouteille)
Vincennes Manufactory · 1754
COLLECTION DE DESSINS Des Poëles de formes antique et modern, de l’invention et de la Manufacture du Sieur OLLIVIER, rue de la Roquette, fauxbourg Saint-Antoine.
Louis Bosse, French, active ca. 1767 – 1777 · ca. 1791
Advertisement for Muller Stoneware Manufactory
Alexandre-Louis-Marie Charpentier · 1897
Dish, from the Service des Officiers at Château de Bizy
Sèvres Porcelain Manufactory, French, established 1756 · 1846
Vase (vase chinois) (one of a pair)
Sèvres Manufactory · 1791
Cup and Saucer (One of a Pair)
Sèvres Porcelain Manufactory, French, established 1756 · 1772–1773
Tray
Sèvres Manufactory · 1836
Plate with Monogram
Sèvres Porcelain Manufactory, French, established 1756 · ca. 1846
Potpourri vase (pot-pourri gondole)
Sèvres Manufactory · 1757
Pair of Flower Pots (Cachepots)
Sèvres Porcelain Manufactory, French, established 1756 · 1771
Grande Galerie carpet no. 38 (Fame and Fortitude)
Savonnerie Manufactory · Delivered between 1668 and 1677
Potpourri vase (pot-pourri à vaisseau)
Sèvres Manufactory · 1758
Broth bowl with cover and stand (écuelle ronde et plateau rond)
Vincennes Manufactory · ca. 1752–53
Harlequin with jug
Meissen Manufactory · ca. 1740
Secretary
Martin Carlin · ca. 1781–85
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. 430 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. 40285 matched · 40 examined · 33 dropped by the rights gate. Kept only where metadata_usage.access === "CC0" and an image resource was published.7 shown
These figures describe the pass run at 2026-08-28 01:22 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.