{
  "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\":\"wikimedia:11770429\",\"title\":\"Martin Van Buren by Mathew Brady c1855-58\",\"artist\":{\"name\":\"Mathew Benjamin Brady\",\"attributionType\":\"named\"},\"displayDate\":\"1855–1858\",\"yearStart\":1855,\"yearEnd\":1858,\"medium\":\"\"},\"source\":{\"museum\":{\"code\":\"wikimedia\",\"name\":\"Wikimedia Commons\",\"url\":\"https://commons.wikimedia.org\"},\"apiUrl\":\"https://commons.wikimedia.org/w/api.php?action=query&pageids=11770429&prop=imageinfo&format=json\",\"pageUrl\":\"https://commons.wikimedia.org/wiki/File:Martin_Van_Buren_by_Mathew_Brady_c1855-58.jpg\",\"originalUrl\":\"https://www.metmuseum.org/works_of_art/collection_database/photographs/president_martin_van_buren_mathew_b_brady/objectview.aspx?page=1&amp;OID=190021680\",\"imageUrls\":{\"full\":\"https://upload.wikimedia.org/wikipedia/commons/1/1f/Martin_Van_Buren_by_Mathew_Brady_c1855-58.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original\",\"width\":2988,\"height\":3742,\"byteSize\":1856948,\"maxResolution\":{\"width\":2988,\"height\":3742}}},\"rights\":{\"statement\":\"https://creativecommons.org/publicdomain/mark/1.0/\",\"sourceApiValue\":{\"field\":\"extmetadata.License\",\"value\":\"pd\"},\"imageOpenAccess\":true,\"metadataOpenAccess\":true,\"confidence\":\"high\"},\"clearance\":{\"commercialReproduction\":{\"permitted\":true,\"basis\":{\"rule\":\"pd-grants-commercial\",\"inputs\":[{\"field\":\"license.type\",\"value\":\"PD\"}],\"summary\":\"Public Domain Mark status permits all uses, including commercial.\"}},\"derivatives\":{\"permitted\":true,\"basis\":{\"rule\":\"pd-grants-derivatives\",\"inputs\":[{\"field\":\"license.type\",\"value\":\"PD\"}],\"summary\":\"Public Domain Mark status permits modification and derivative works.\"}},\"attributionRequired\":{\"required\":false,\"basis\":{\"rule\":\"pd-waives-attribution\",\"inputs\":[{\"field\":\"license.type\",\"value\":\"PD\"}],\"summary\":\"Public Domain Mark status requires no attribution as a condition of reuse.\"}}},\"verification\":{\"determinedBy\":{\"actor\":\"museum:wikimedia\",\"role\":\"rights-source\"},\"tool\":\"open-museum-mcp@0.0.0 · wikimedia.extmetadata.License\",\"determinedAt\":\"2026-10-02T14:43:29.019Z\",\"ruleContext\":\"wikimedia.extmetadata.License='pd' ⇒ PD\",\"determinationSource\":{\"type\":\"api-field\",\"field\":\"extmetadata.License\",\"url\":\"https://commons.wikimedia.org/w/api.php?action=query&pageids=11770429&prop=imageinfo&format=json\",\"retrievedAt\":\"2026-10-02T14:43:29.019Z\"}},\"citation\":{\"full\":\"Mathew Benjamin Brady, Martin Van Buren by Mathew Brady c1855-58. 1855–1858. Wikimedia Commons. PD. https://commons.wikimedia.org/wiki/File:Martin_Van_Buren_by_Mathew_Brady_c1855-58.jpg.\",\"caption\":\"Mathew Benjamin Brady, Martin Van Buren by Mathew Brady c1855-58, 1855–1858. Wikimedia Commons, PD. https://commons.wikimedia.org/wiki/File:Martin_Van_Buren_by_Mathew_Brady_c1855-58.jpg\",\"short\":\"Martin Van Buren by Mathew Brady c1855-58 (Mathew Benjamin Brady, 1855–1858)\"}}",
  "integrity": {
    "alg": "sha-256",
    "hash": "dadf560c1411259e19de7ee47e15a7066b009c5fd9d2e024a374f8806cd9c291"
  }
}