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. 15 shown for “Filarete (Antonio di Pietro Averlino)” — 43 records examined, 2 dropped by the rights gate.
Archives queried 2026-09-06 02:50 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Cincinnatus at the Plough
Filarete (Antonio di Pietro Averlino) · mid-15th century
Portrait of Pietro Aretino (1492-1556)
Artist not stated in the record · 1517–1520
Medal: Federigo da Montefeltro
Filarete (Antonio di Pietro Averlino) · model ca. 1474 (possibly cast 19th or 20th century)
Wall Deocration, Plate II from Raphael's Loggie di Rafaele nel Vaticano (Loggia in the Vatican)
Gaetano Savorelli, d. 1791 · 1722–1777
Boy on a shell, holding a candlestick
Artist not stated in the record · mid-15th century
Wall Decoration, Plate from "Loggie di Rafaele nel Vaticano" (Raphael's Loggia in the Vatican)
Pietro Camporesi, Italian, 1726 – 1781 · 18th century
CIncinnatus Summoned from the Field, study for the "Storia di Cincinnato," Gallery of the Villa Sacchetti (Now Chigi), Castelfusano
Pietro da Cortona, Italian, 1596 - 1669 · 1626–1629
Grotesque Heads
Pietro Antonio Novelli, Italian, 1728 - 1804 · 1750-1775
Two Arabesque Panel Designs
Gilles Paul Cauvet, French, 1731–1788 · 1776
Three Arabesque Panel Designs
Gilles Paul Cauvet, French, 1731–1788 · 1777
The temples of Apollo and Diana built for the first day of the fireworks at SS. Peter and Paul by Paolo Posi
Artist not stated in the record · 1763
Larus genei
Artist not stated in the record · 2 Apr 1888
Schizothrix calcicola Gomont
Artist not stated in the record · 1860
Wall Decoration, Plate XI from Le loggie di Rafaele nel Vaticano (Raphael's Loggia in the Vatican)
Giovanni Volpato, Italian, 1733 - 1803 · 1772–1777
Wall Decoration, Plate XIII from Le loggie di Rafaele nel Vaticano (Raphael's Loggia in the Vatican)
Giovanni Volpato, Italian, 1733 - 1803 · 1772–1777
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. 3 matched · 3 examined · 0 dropped by the rights gate. Kept only where isPublicDomain === true and a file URL was published.3 shown - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. 54977 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 2026-09-06 02:50 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.