OpenGlyph — Catalogue of the American Public DomainJurisdiction: United StatesRev. 2026.08
Images / art

Two 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. 12 shown for “Sardonyx cameo fragment with a sacrificial scene” — 18 records examined, 0 dropped by the rights gate.

Archives queried 2026-08-27 11:15 UTC · fetched live for this request

Object
Public domainThe Met’s isPublicDomain field is true for this object.
CC0 (public-domain equivalent)Smithsonian’s metadata_usage.access reads CC0 — a waiver, not an expired term.
Not shownAnything failing its archive’s rights field is dropped server-side and never appears here.

Smithsonian Open Access: HTTP 429 from api.si.edu. Results from the remaining archive are shown unchanged — nothing is substituted for a source that did not answer.

Sardonyx cameo fragment with a sacrificial scene

Sardonyx cameo fragment with a sacrificial scene

Artist not stated in the record · 1st century BCE–1st century CE

Public domainThe Met
Sardonyx cameo fragment with Jupiter astride an eagle

Sardonyx cameo fragment with Jupiter astride an eagle

Artist not stated in the record · 1st century BCE–1st century CE

Public domainThe Met
Sardonyx cameo fragment with Hercules tying up Cerberus

Sardonyx cameo fragment with Hercules tying up Cerberus

Artist not stated in the record · 1st century BCE–1st century CE

Public domainThe Met
Sardonyx cameo with a man and woman on a couch

Sardonyx cameo with a man and woman on a couch

Artist not stated in the record · 1st century BCE–1st century CE

Public domainThe Met
Sardonyx cameo of Aurora driving her chariot

Sardonyx cameo of Aurora driving her chariot

Artist not stated in the record · 1st century BCE–1st century CE

Public domainThe Met
Cameo fragment from a kantharos (drinking cup) with an Egyptianizing scene

Cameo fragment from a kantharos (drinking cup) with an Egyptianizing scene

Artist not stated in the record · 30–14 BCE

Public domainThe Met
Sardonyx cameo

Sardonyx cameo

Artist not stated in the record · ca. 1st century CE

Public domainThe Met
Glass cameo plate fragment

Glass cameo plate fragment

Artist not stated in the record · 1st century CE

Public domainThe Met
Glass cameo cup fragment

Glass cameo cup fragment

Artist not stated in the record · 1st half of 1st century CE

Public domainThe Met
Glass cameo cup fragment

Glass cameo cup fragment

Artist not stated in the record · late 1st century BCE–mid-1st century CE

Public domainThe Met
Paternoster Pendant with the Virgin and Child (obverse) and the Meeting of Joachim and Anna at the Golden Gate (reverse)

Paternoster Pendant with the Virgin and Child (obverse) and the Meeting of Joachim and Anna at the Golden Gate (reverse)

Artist not stated in the record · ca. 1440–50; 19th or 20th century

Public domainThe Met
Glass plaque fragment

Glass plaque fragment

Artist not stated in the record · 1st century CE

Public domainThe Met
What was queried

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. 18 matched · 18 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. HTTP 429 from api.si.edu. No records from this archive are shown for this query.Unavailable

These figures describe the pass run at 2026-08-27 11:15 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.