{
  "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:24689\",\"title\":\"Wheellock Rifle\",\"artist\":{\"name\":\"Johann Michael Maucher\",\"nationality\":\"German\",\"lifespan\":\"1670–1701\",\"attributionType\":\"named\"},\"displayDate\":\"ca. 1680–90\",\"yearStart\":1680,\"yearEnd\":1690,\"medium\":\"Steel, wood (cherry), ivory, mother-of-pearl\"},\"source\":{\"museum\":{\"code\":\"met\",\"name\":\"The Metropolitan Museum of Art\",\"url\":\"https://www.metmuseum.org\"},\"apiUrl\":\"https://collectionapi.metmuseum.org/public/collection/v1/objects/24689\",\"pageUrl\":\"https://www.metmuseum.org/art/collection/search/24689\",\"imageUrls\":{\"full\":\"https://images.metmuseum.org/CRDImages/aa/original/DT11523.jpg\",\"thumbnail\":\"https://images.metmuseum.org/CRDImages/aa/web-large/DT11523.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\":\"2026-06-10T20:05:19.813Z\",\"ruleContext\":\"met.isPublicDomain='true' ⇒ CC0\",\"determinationSource\":{\"type\":\"api-field\",\"field\":\"isPublicDomain\",\"url\":\"https://collectionapi.metmuseum.org/public/collection/v1/objects/24689\",\"retrievedAt\":\"2026-06-10T20:05:19.813Z\"}},\"citation\":{\"full\":\"Johann Michael Maucher, Wheellock Rifle. ca. 1680–90. The Metropolitan Museum of Art. CC0. https://www.metmuseum.org/art/collection/search/24689.\",\"caption\":\"Johann Michael Maucher, Wheellock Rifle, ca. 1680–90. Steel, wood (cherry), ivory, mother-of-pearl. The Metropolitan Museum of Art, CC0. https://www.metmuseum.org/art/collection/search/24689\",\"short\":\"Wheellock Rifle (Johann Michael Maucher, ca. 1680–90)\"}}",
  "integrity": {
    "alg": "sha-256",
    "hash": "2603b7d5e168d6748a4e2d84e4da083bf1beda5bb6ebdac312ebb21627e1c289"
  }
}