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. 23 shown for “Nautilus shell box” — 64 records examined, 39 dropped by the rights gate.
Archives queried 2026-08-28 01:51 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Nautilus shell box
Artist not stated in the record · 1619/20, with later restorations
Chambered Nautilus
Artist not stated in the record
Grere'o (shield)
Solomon Islands artist · Early to mid-19th century
Water Nymph and Horse
Whiting Manufacturing Company, 1866 – 1926 · ca. 1900
Nautilus cup
Artist not stated in the record · 1602
Nautilus pompilius
Artist not stated in the record · 7 Jul 1977
Box
Wilhelm Krüger · 18th century
Serene Seascape with Abstract Doodle
William Trost Richards, American, 1833–1905 · 1890–1900
Box
Artist not stated in the record · ca. 1720–30
Conus lineopunctatus
Artist not stated in the record · 1968
Trefoil-shaped covered box with decoration of chrysanthemums
Artist not stated in the record · ca.12th century
Conus signae
Artist not stated in the record
Casket
R. & S. Garrard & Co. · 1875 or 1876
Hyalinia chathamensis
Artist not stated in the record
Collar
Chimú artist(s) · 1000–1470 CE
Bulimulus (Naesiotus) reibischii
Artist not stated in the record · 1888
Papahou (treasure box)
Māori artist · 18th century
Conulus galapaganus
Artist not stated in the record
Waka huia (treasure box)
Māori artist · mid-late 19th century
Nautilus pompilius
Artist not stated in the record
Nautilus cup
Friedrich Hillebrand · 19th century
Pleurobranchus californicus
Artist not stated in the record
Box
Artist not stated in the record
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. 308 matched · 24 examined · 10 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. 133005 matched · 40 examined · 29 dropped by the rights gate. Kept only where metadata_usage.access === "CC0" and an image resource was published.11 shown
These figures describe the pass run at 2026-08-28 01:51 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.