
Helmet
Unrecorded maker
5th century · Bronze, silver, iron
Cleared · Public Domain
liveRights clearance desk for images
Museums publish two different things about the same artwork: whether the work is in copyright, and whether their picture of it is. OpenPlate reads both, does the arithmetic on the published term, and shows you the sentence behind every point of the score.
Where this page got its records
3376 ms. The Metropolitan Museum of Art, Collection API (Open Access)
302 ms. The Cleveland Museum of Art, Open Access API
2 of 2 providers answered live. 140 matching records exist across the two collections.
Institutions answered newest-first by record, interleaved

Helmet
Unrecorded maker
5th century · Bronze, silver, iron
Cleared · Public Domain
live
Cavalry Spider Helmet
Unrecorded maker
1600s · Arms and Armor, iron with black paint
Cleared · CC0
live
Turban Helmet
Unrecorded maker
late 15th century · Steel, iron, silver
Cleared · Public Domain
live
Turban Helmet
Unrecorded maker
late 15th century · Steel, iron, silver, copper alloy
Cleared · Public Domain
live
Turban Helmet
Unrecorded maker
15th century · Steel, silver, copper alloy
Cleared · Public Domain
live
Turban Helmet
Unrecorded maker
late 15th century–1st quarter 16th century · Steel, iron, gold, silver, copper alloy
Cleared · Public Domain
live
Close Helmet
Hans Maystetter (d. 1533)
ca. 1505–10 · Steel, leather
Cleared · Public Domain
live
Turban Helmet
Unrecorded maker
16th century · Steel, iron, silver
Cleared · Public Domain
live
Turban Helmet
Unrecorded maker
late 15th–16th century · Steel, iron, silver, gold
Cleared · Public Domain
live
Armor for Heavy Cavalry
Unrecorded maker
ca. 1600 · Steel, gold, leather, textile
Cleared · Public Domain
live
Close Helmet for a Cuirassier
Unrecorded maker
ca. 1615–20 · Steel, gold, copper alloy, leather
Cleared · Public Domain
live
Helmet for a Harquebusier
Royal Workshops at Greenwich (d. 1650)
ca. 1630–40 · Steel, silver, gold, copper alloy, textile
Cleared · Public Domain
live1. Pin the work
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2. Read the arithmetic
Six weighted factors: the institution's own claim, the creator's term, the publication-age rule, the restrictions in their statement, your use, and whether a credit line is even possible.
3. Seal and export
Record the decision into a SHA-384 chain, then export a dated docket as JSON, CSV or Markdown with the credit line and the seal a colleague can re-verify.