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 “Giovanni Battista Costaguti the Elder” — 64 records examined, 6 dropped by the rights gate.
Archives queried 2026-09-03 09:37 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Basilica di S. Pietro in Vaticano (spine title)
Giovanni Battista Costaguti the Elder · 1620–84
Title page, "Il Campo Marzio dell'Antica Roma," from part 20 of "The Complete Works of Giovanni Battista Piranesi"
Giovanni Battista Piranesi, Italian, 1720–1778 · 1800
A Dance in the Country
Giovanni Domenico Tiepolo · ca. 1755
Plan and Elevation for the Chapel of Orazio Lancellotti at San Giovanni Archbasilica
Giovanni Battista De Rossi, Italian, ca. 1601 - 1678 · ca. 1675
The Annunciation to Zacharias; (verso) The Angel of the Annunciation
Giovanni di Paolo (Giovanni di Paolo di Grazia) · ca. 1455–60
Saint Paulinus Preaching
Artist not stated in the record · 1750–1780
Samson Captured by the Philistines
Guercino (Giovanni Francesco Barbieri) · 1619
Palace of the Prince of Palestrina, Side Elevation Toward the Piazza Bernini, Rome
Artist not stated in the record · 17th century
Saint Matthew and the Angel
Giovanni Gerolamo Savoldo
Carceri Series, Title Page
Giovanni Battista Piranesi, Italian, 1720–1778 · 1745
Lucrezia Agliardi Vertova (1490?–1558)
Giovanni Battista Moroni · 1557
Portrait of Giovanni Battista Casti (1721-1803)
Artist not stated in the record · ca. 1830
View of an Island with Antique Ruins (The Abduction of Europa), from: Imagini Favolose
Giovanni Battista Pittoni the Elder · 1575–85
A Stucco Angel from the Nave Vault, Church of the Gesu, Rome," from the album "Drawings after Ornament and Architecture"
Jean-Robert Ango, French, active in Rome 1759 –1770, d. 1773 · ca. 1759–70
Standing and Seated Figures in a Landscape with an Obelisk
Giovanni Battista Pittoni the Elder · 1520–83
Martyrdom of Saint Stephen
Artist not stated in the record · 1750–1780
Roman ruins with the horse tamers (Dioscuri) on the Quirinal Hill, plate 36 from "Discorsi Sopra L’Antichita di Roma"
Giovanni Battista Pittoni the Elder · 1730–60
Raccolta di teste
Artist not stated in the record · 1750–1780
Grape Vines and Fruit, with Three Birds
Bartolomeo Cavarozzi · ca. 1615–18
Raccolta di teste
Artist not stated in the record · 1750–1780
Group of Laborers in a Field (recto); Angel Appearing to a Kneeling Saint (verso)
Giovanni Battista Maganza the Elder · 1530–86
Raccolta di teste
Giovanni Domenico Tiepolo, Italian, 1727 – 1804 · ca. 1757
John Milton
Giovanni Battista Cipriani · 1760
Raccolta di teste
Artist not stated in the record · 1770–1774
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. 28 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. 1186823 matched · 40 examined · 6 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 2026-09-03 09:37 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.