{
  "handle": "jan-willem-erisman",
  "url": "https://selfbadge.com/jan-willem-erisman",
  "id": "https://selfbadge.com/jan-willem-erisman#person",
  "status": "seeded",
  "indexable": true,
  "dateCreated": "2026-10-20T09:02:55.860504+00:00",
  "dateModified": "2026-10-20T09:02:55.860504+00:00",
  "summary": {
    "published": 18,
    "verified": 0
  },
  "verificationLevels": {
    "0": "Seeded: imported from a public source, not claimed",
    "1": "Self-declared: added by the owner",
    "2": "Account-verified: proven by OAuth, email code, DNS or link-back",
    "3": "Document-verified: reviewed document or third-party credential",
    "4": "ID-verified: identity document check"
  },
  "facts": [
    {
      "property": "name",
      "value": "Jan Willem Erisman",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "givenName",
      "value": "Jan",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "familyName",
      "value": "Erisman",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "alternateName",
      "value": "Jan W. Erisman",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "alternateName",
      "value": "Jan W Erisman",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "alternateName",
      "value": "J. W. Erisman",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "alternateName",
      "value": "J W Erisman",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "alternateName",
      "value": "J. Erisman",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "description",
      "value": "Researcher ORCID ID = 0000-0001-5058-7012",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "jobTitle",
      "value": "Professor",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "worksFor",
      "value": {
        "endDate": "2020",
        "startDate": "2009",
        "organization_id": "c3ea2b9b-138a-4488-978d-f848ae5b5186"
      },
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "worksFor",
      "value": {
        "roleName": "Professor",
        "startDate": "2020",
        "organization_id": "34bf63b2-d307-457d-ad8f-7cc9a7273e1f"
      },
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "hasOccupation",
      "value": "Researcher",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "hasOccupation",
      "value": "University teacher",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "alumniOf",
      "value": {
        "organization_id": "f71f53e1-14ac-4cb2-814a-51505c119589"
      },
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "url",
      "value": "https://www.janwillemerisman.nl/",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "identifier",
      "value": {
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "value": "Q57741720",
        "propertyID": "Wikidata"
      },
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    },
    {
      "property": "identifier",
      "value": {
        "url": "https://orcid.org/0000-0001-5058-7012",
        "value": "0000-0001-5058-7012",
        "propertyID": "ORCID"
      },
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q57741720",
        "retrievedAt": "2026-10-20T08:49:53.229+00:00"
      }
    }
  ],
  "verifications": [
    {
      "method": "seed_import",
      "label": "Imported from Wikidata",
      "checkedAt": "2026-10-20T09:02:55.860504+00:00"
    }
  ],
  "jsonld": {
    "@context": "https://schema.org",
    "@graph": [
      {
        "@type": "ProfilePage",
        "@id": "https://selfbadge.com/jan-willem-erisman",
        "url": "https://selfbadge.com/jan-willem-erisman",
        "name": "Jan Willem Erisman on SelfBadge",
        "inLanguage": "en",
        "isPartOf": {
          "@id": "https://selfbadge.com/#website"
        },
        "publisher": {
          "@id": "https://selfbadge.com/#organization"
        },
        "dateCreated": "2026-10-20T09:02:55.860504+00:00",
        "dateModified": "2026-10-20T09:02:55.860504+00:00",
        "mainEntity": {
          "@type": "Person",
          "@id": "https://selfbadge.com/jan-willem-erisman#person",
          "name": "Jan Willem Erisman",
          "givenName": "Jan",
          "familyName": "Erisman",
          "alternateName": [
            "Jan W. Erisman",
            "Jan W Erisman",
            "J. W. Erisman",
            "J W Erisman",
            "J. Erisman"
          ],
          "description": "Jan Willem Erisman is Professor at Leiden University. Researcher ORCID ID = 0000-0001-5058-7012",
          "jobTitle": "Professor",
          "worksFor": [
            {
              "@type": "Organization",
              "@id": "https://selfbadge.com/org/leiden-university#org",
              "name": "Leiden University",
              "url": "https://www.universiteitleiden.nl/"
            },
            {
              "@type": "EmployeeRole",
              "worksFor": {
                "@id": "https://selfbadge.com/org/leiden-university#org"
              },
              "roleName": "Professor",
              "startDate": "2020"
            }
          ],
          "hasOccupation": [
            {
              "@type": "Occupation",
              "name": "Researcher"
            },
            {
              "@type": "Occupation",
              "name": "University teacher"
            }
          ],
          "alumniOf": [
            {
              "@id": "https://selfbadge.com/org/utrecht-university#org"
            },
            {
              "@type": "EmployeeRole",
              "alumniOf": {
                "@id": "https://selfbadge.com/org/vrije-universiteit-amsterdam#org"
              },
              "startDate": "2009",
              "endDate": "2020"
            }
          ],
          "url": "https://www.janwillemerisman.nl/",
          "sameAs": [
            "https://www.wikidata.org/wiki/Q57741720",
            "https://orcid.org/0000-0001-5058-7012"
          ],
          "identifier": [
            {
              "@type": "PropertyValue",
              "propertyID": "Wikidata",
              "value": "Q57741720",
              "url": "https://www.wikidata.org/wiki/Q57741720"
            },
            {
              "@type": "PropertyValue",
              "propertyID": "ORCID",
              "value": "0000-0001-5058-7012",
              "url": "https://orcid.org/0000-0001-5058-7012"
            }
          ]
        }
      },
      {
        "@type": "WebSite",
        "@id": "https://selfbadge.com/#website",
        "url": "https://selfbadge.com/",
        "name": "SelfBadge"
      },
      {
        "@type": "Organization",
        "@id": "https://selfbadge.com/org/vrije-universiteit-amsterdam#org",
        "name": "Vrije Universiteit Amsterdam",
        "url": "https://vu.nl/"
      },
      {
        "@type": "Organization",
        "@id": "https://selfbadge.com/org/utrecht-university#org",
        "name": "Utrecht University",
        "url": "https://www.uu.nl/"
      }
    ]
  }
}