{
  "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:354234\",\"title\":\"De Architectura\",\"artist\":{\"name\":\"Marcus Pollio Vitruvius\",\"nationality\":\"Italian\",\"lifespan\":\"-0100–0001\",\"attributionType\":\"named\"},\"displayDate\":\"1400–50\",\"yearStart\":1400,\"yearEnd\":1450,\"medium\":\"Manuscript; brownish black ink and red and blue pigments on vellum\"},\"source\":{\"museum\":{\"code\":\"met\",\"name\":\"The Metropolitan Museum of Art\",\"url\":\"https://www.metmuseum.org\"},\"apiUrl\":\"https://collectionapi.metmuseum.org/public/collection/v1/objects/354234\",\"pageUrl\":\"https://www.metmuseum.org/art/collection/search/354234\",\"imageUrls\":{\"full\":\"https://images.metmuseum.org/CRDImages/dp/original/269616.jpg\",\"thumbnail\":\"https://images.metmuseum.org/CRDImages/dp/web-large/269616.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\":\"2026-08-04T14:55:07.074Z\",\"ruleContext\":\"met.isPublicDomain='true' ⇒ CC0\",\"determinationSource\":{\"type\":\"api-field\",\"field\":\"isPublicDomain\",\"url\":\"https://collectionapi.metmuseum.org/public/collection/v1/objects/354234\",\"retrievedAt\":\"2026-08-04T14:55:07.074Z\"}},\"citation\":{\"full\":\"Marcus Pollio Vitruvius, De Architectura. 1400–50. The Metropolitan Museum of Art. CC0. https://www.metmuseum.org/art/collection/search/354234.\",\"caption\":\"Marcus Pollio Vitruvius, De Architectura, 1400–50. Manuscript; brownish black ink and red and blue pigments on vellum. The Metropolitan Museum of Art, CC0. https://www.metmuseum.org/art/collection/search/354234\",\"short\":\"De Architectura (Marcus Pollio Vitruvius, 1400–50)\"}}",
  "integrity": {
    "alg": "sha-256",
    "hash": "ecb118cc34ccf27b3df0ec00f4edf3db657a0a6deca08c2b001cec9e08371186"
  }
}