Validate metadata

Example request

{
  "kind": "dataset",
  "metadata": {
    "@context": {
      "@language": "en",
      "@vocab": "https://schema.org/",
      "bsc": "https://bioschemas.org/profiles/Dataset/1.0-RELEASE/",
      "citeAs": "cr:citeAs",
      "column": "cr:column",
      "conformsTo": "dct:conformsTo",
      "cr": "http://mlcommons.org/croissant/",
      "data": {
        "@id": "cr:data",
        "@type": "@json"
      },
      "dataType": {
        "@id": "cr:dataType",
        "@type": "@vocab"
      },
      "dct": "http://purl.org/dc/terms/",
      "examples": {
        "@id": "cr:examples",
        "@type": "@json"
      },
      "extract": "cr:extract",
      "field": "cr:field",
      "fileObject": "cr:fileObject",
      "fileProperty": "cr:fileProperty",
      "fileSet": "cr:fileSet",
      "format": "cr:format",
      "includes": "cr:includes",
      "isLiveDataset": "cr:isLiveDataset",
      "jsonPath": "cr:jsonPath",
      "key": "cr:key",
      "md5": "cr:md5",
      "parentField": "cr:parentField",
      "path": "cr:path",
      "rai": "http://mlcommons.org/croissant/RAI/",
      "recordSet": "cr:recordSet",
      "references": "cr:references",
      "regex": "cr:regex",
      "repeated": "cr:repeated",
      "replace": "cr:replace",
      "samplingRate": "cr:samplingRate",
      "sc": "https://schema.org/",
      "separator": "cr:separator",
      "source": "cr:source",
      "subField": "cr:subField",
      "transform": "cr:transform"
    },
    "@type": "sc:Dataset",
    "citeAs": "https://example.org/people-demo",
    "conformsTo": "http://mlcommons.org/croissant/1.0",
    "creator": {
      "@type": "sc:Person",
      "name": "Dataset Creator"
    },
    "datePublished": "2026-04-17",
    "description": "Small CSV dataset used to verify validation.",
    "distribution": [
      {
        "@id": "people.csv",
        "@type": "cr:FileObject",
        "contentUrl": "people.csv",
        "encodingFormat": "text/csv",
        "name": "people.csv",
        "sha256": "abc123"
      }
    ],
    "license": "https://opensource.org/licenses/MIT",
    "name": "People Demo Dataset",
    "recordSet": [
      {
        "@id": "people-records",
        "@type": "cr:RecordSet",
        "field": [
          {
            "@id": "people-records/id",
            "@type": "cr:Field",
            "dataType": "sc:Text",
            "description": "Identifier column.",
            "name": "id",
            "source": {
              "extract": {
                "column": "id"
              },
              "fileObject": {
                "@id": "people.csv"
              }
            }
          }
        ],
        "name": "records"
      }
    ],
    "url": "https://example.org/people-demo",
    "version": "1.0.0"
  }
}