{
  "tier": 0,
  "payloadType": "application/clearance-manifest+json",
  "payload": "{\"@context\":[\"https://schema.org/\",\"http://purl.org/dc/terms/\",\"https://openclearance.org/v0.1/context.jsonld\"],\"type\":\"ClearanceManifest\",\"specVersion\":\"0.1\",\"work\":{\"id\":\"met:21997\",\"title\":\"Foot-Combat Helm of Sir Giles Capel (1485–1556)\",\"artist\":{\"name\":\"Unknown\",\"attributionType\":\"anonymous\"},\"displayDate\":\"ca. 1510\",\"yearStart\":1505,\"yearEnd\":1515,\"medium\":\"Steel\"},\"source\":{\"museum\":{\"code\":\"met\",\"name\":\"The Metropolitan Museum of Art\",\"url\":\"https://www.metmuseum.org\"},\"apiUrl\":\"https://collectionapi.metmuseum.org/public/collection/v1/objects/21997\",\"pageUrl\":\"https://www.metmuseum.org/art/collection/search/21997\",\"imageUrls\":{\"full\":\"https://images.metmuseum.org/CRDImages/aa/original/DT200138.jpg\",\"thumbnail\":\"https://images.metmuseum.org/CRDImages/aa/web-large/DT200138.jpg\"}},\"rights\":{\"statement\":\"https://creativecommons.org/publicdomain/zero/1.0/\",\"sourceApiValue\":{\"field\":\"isPublicDomain\",\"value\":\"true\"},\"imageOpenAccess\":true,\"metadataOpenAccess\":true,\"confidence\":\"high\"},\"clearance\":{\"commercialReproduction\":{\"permitted\":true,\"basis\":{\"rule\":\"cc0-grants-commercial\",\"inputs\":[{\"field\":\"license.type\",\"value\":\"CC0\"}],\"summary\":\"CC0 public-domain dedication permits all uses, including commercial.\"}},\"derivatives\":{\"permitted\":true,\"basis\":{\"rule\":\"cc0-grants-derivatives\",\"inputs\":[{\"field\":\"license.type\",\"value\":\"CC0\"}],\"summary\":\"CC0 public-domain dedication permits modification and derivative works.\"}},\"attributionRequired\":{\"required\":false,\"basis\":{\"rule\":\"cc0-waives-attribution\",\"inputs\":[{\"field\":\"license.type\",\"value\":\"CC0\"}],\"summary\":\"CC0 public-domain dedication requires no attribution as a condition of reuse.\"}}},\"verification\":{\"determinedBy\":{\"actor\":\"museum:met\",\"role\":\"rights-source\"},\"tool\":\"open-museum-mcp@0.0.0 · met.isPublicDomain\",\"determinedAt\":\"2026-06-11T15:58:37.698Z\",\"ruleContext\":\"met.isPublicDomain='true' ⇒ CC0\",\"determinationSource\":{\"type\":\"api-field\",\"field\":\"isPublicDomain\",\"url\":\"https://collectionapi.metmuseum.org/public/collection/v1/objects/21997\",\"retrievedAt\":\"2026-06-11T15:58:37.698Z\"}},\"citation\":{\"full\":\"Foot-Combat Helm of Sir Giles Capel (1485–1556). ca. 1510. The Metropolitan Museum of Art. CC0. https://www.metmuseum.org/art/collection/search/21997.\",\"caption\":\"Unknown artist, Foot-Combat Helm of Sir Giles Capel (1485–1556), ca. 1510. Steel. The Metropolitan Museum of Art, CC0. https://www.metmuseum.org/art/collection/search/21997\",\"short\":\"Foot-Combat Helm of Sir Giles Capel (1485–1556) (Unknown, ca. 1510)\"}}",
  "integrity": {
    "alg": "sha-256",
    "hash": "1c2dc5960ee96e67e27d8817d3fdde06f1e99d9585dd79846daf2ff9f6b58fd9"
  }
}