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. 22 shown for “Francis Blackwell Mayer” — 64 records examined, 35 dropped by the rights gate.
Archives queried 2026-08-31 23:46 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Old Annapolis, Francis Street
Francis Blackwell Mayer · 1876
Roger B. Taney
Samuel Sartain, 1830 - 1906 · 1857
Altar Predella and Socle of Archbishop Don Dalmau de Mur y Cervelló
Francí Gomar · ca. 1456–1458
The Continentals
Frank Blackwell Mayer, born Baltimore, MD 1827-died Annapolis, MD 1899 · 1875
Proposed Monument to John L. Carey of Baltimore
Samuel B. Wetherald · 1852–54
Independence (Squire Jack Porter)
Frank Blackwell Mayer, born Baltimore, MD 1827-died Annapolis, MD 1899 · 1858
Saints Michael and Francis
Juan de Flandes · ca. 1505–9
Cladophora glomerata (L.) Kütz.
Artist not stated in the record · 25 Apr 1932
Coronation of the Virgin
Giovanni di Paolo (Giovanni di Paolo di Grazia) · ca. 1455
Anacystis montana
Artist not stated in the record · May 1900
Lady Harriet Acland, Crossing the Hudson River to the American Lines, Presenting Her Safe Conduct
Robert Pollard · November 15, 1784
Microcoleus vaginatus (Vaucher) Gomont ex Gomont
Artist not stated in the record · Dec 1899
Miss Younge, Mr. Dodd, Mr. Love, and Mr. Waldron, in th Characters of Viola, Sir Andrew Aguecheek, Sir Toby Belch, and Fabian (Shakespeare, Twelfth Night, Act 3, Scene 4)
John Raphael Smith · March 1, 1774
Schizothrix rubella
Artist not stated in the record · Dec 1899
King Lear Weeping Over the Body of Cordelia (Shakespeare, King Lear, Act 5, Scene 3)
Francis Legat · August 1, 1792
Elizabeth Blackwell
Elliott & Fry, active 1863 - 1962 · August 1907
Christ Blessing
Gerard David · ca. 1500–1505
Elizabeth Blackwell
William Arthur Thomas, 1867 - 1927 · 1888
Cassandra Raving (Shakespeare, Troilus and Cressida, Act 2, Scene 2)
Francis Legat · first published 1795; reissued 1852
Elizabeth Blackwell
Unidentified Artist · 1859
Cassandra Raving (Shakespeare, Troilus and Cressida, Act 2, Scene 2)
Francis Legat · first published 1795; reissued 1852
Florizel, Perdita, etc. in the Shepherd's Cot (Shakespeare, Winter's Tale, Act 4, Scene 3)
James Fittler · August 1, 1792
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. 63 matched · 24 examined · 5 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. 72539 matched · 40 examined · 30 dropped by the rights gate. Kept only where metadata_usage.access === "CC0" and an image resource was published.10 shown
These figures describe the pass run at 2026-08-31 23:46 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.