{"schema_version":"4ort.packet/1","entity":{"entity_id":"mark-appelbaum","kg_uuid":"9ecf9d08-720c-4721-8485-deccdaeb0174","wikidata_id":"Q92022576","name":"Mark Appelbaum","description":"researcher (ORCID 0000-0002-8435-8995)","type":"Person","url":"https://4ort.xyz/entity/mark-appelbaum"},"status":"complete","as_of":{"copy_written_at":"2026-11-08T14:36:31Z","last_source_edit_seen":"2026-07-11T08:56:00Z","stale_possible":false,"claims_refreshed_at":"2026-10-31T07:26:14Z","source_revision":2516201155},"facts":[{"field":"P31","label":"instance of","value":"human","value_id":"Q5","value_raw":"Q5","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P31","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P569","label":"date of birth","value":"1941","value_id":null,"value_raw":"+1941-00-00T00:00:00Z","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P569","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://psychology.unc.edu/2021/01/04/remembered-dr-mark-appelbaum-1941-2020/"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P570","label":"date of death","value":"2020-12-21","value_id":null,"value_raw":"+2020-12-21T00:00:00Z","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P570","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://psychology.unc.edu/2021/01/04/remembered-dr-mark-appelbaum-1941-2020/"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P20","label":"place of death","value":"San Diego","value_id":"Q16552","value_raw":"Q16552","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P20","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://psychology.unc.edu/2021/01/04/remembered-dr-mark-appelbaum-1941-2020/"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P106","label":"occupation","value":"psychologist","value_id":"Q212980","value_raw":"Q212980","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P106","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P21","label":"sex or gender","value":"male","value_id":"Q6581097","value_raw":"Q6581097","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P21","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P69","label":"educated at","value":"University of Illinois Urbana-Champaign","value_id":"Q457281","value_raw":"Q457281","rank":"normal","current":false,"qualifiers":[{"field":"P512","label":"academic degree","value":"Doctor of Philosophy"},{"field":"P580","label":"start time","value":"1963-09-01"},{"field":"P582","label":"end time","value":"1969-09"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P69","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://pub.orcid.org/v3.0_rc1/0000-0002-8435-8995/education/1429975","stated_in":"ORCID Public Data File 2020","stated_in_id":"Q104707600","retrieved":"2021-01-10"},{}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P69","label":"educated at","value":"Carnegie Mellon University","value_id":"Q190080","value_raw":"Q190080","rank":"normal","current":false,"qualifiers":[{"field":"P512","label":"academic degree","value":"Bachelor of Science"},{"field":"P580","label":"start time","value":"1959-09-01"},{"field":"P582","label":"end time","value":"1963-06-01"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P69","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://pub.orcid.org/v3.0_rc1/0000-0002-8435-8995/education/1429973","stated_in":"ORCID Public Data File 2020","stated_in_id":"Q104707600","retrieved":"2021-01-10"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P108","label":"employer","value":"University of California, San Diego","value_id":"Q622664","value_raw":"Q622664","rank":"normal","current":true,"qualifiers":[{"field":"P580","label":"start time","value":"1996-07-01"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P108","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://pub.orcid.org/v3.0_rc1/0000-0002-8435-8995/employment/1429981","stated_in":"ORCID Public Data File 2020","stated_in_id":"Q104707600","retrieved":"2021-01-10"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P108","label":"employer","value":"Vanderbilt University","value_id":"Q29052","value_raw":"Q29052","rank":"normal","current":false,"qualifiers":[{"field":"P580","label":"start time","value":"1989-07-01"},{"field":"P582","label":"end time","value":"1996-06-01"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P108","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://pub.orcid.org/v3.0_rc1/0000-0002-8435-8995/employment/1429979","stated_in":"ORCID Public Data File 2020","stated_in_id":"Q104707600","retrieved":"2021-01-10"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P108","label":"employer","value":"University of North Carolina at Chapel Hill","value_id":"Q192334","value_raw":"Q192334","rank":"normal","current":false,"qualifiers":[{"field":"P580","label":"start time","value":"1967-06-01"},{"field":"P582","label":"end time","value":"1989-07-01"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P108","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://pub.orcid.org/v3.0_rc1/0000-0002-8435-8995/employment/1429978","stated_in":"ORCID Public Data File 2020","stated_in_id":"Q104707600","retrieved":"2021-01-10"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P184","label":"doctoral advisor","value":"Ledyard Tucker","value_id":"Q6512792","value_raw":"Q6512792","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P184","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{}]},"trust":{"band":"medium","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P185","label":"doctoral student","value":"David Budescu","value_id":"Q5231870","value_raw":"Q5231870","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P185","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P509","label":"cause of death","value":"COVID-19","value_id":"Q84263196","value_raw":"Q84263196","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P509","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://psychology.unc.edu/2021/01/04/remembered-dr-mark-appelbaum-1941-2020/"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P549","label":"Mathematics Genealogy Project ID","value":"276015","value_id":null,"value_raw":"276015","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P549","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P734","label":"family name","value":"Appelbaum","value_id":"Q21502339","value_raw":"Q21502339","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P734","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P735","label":"given name","value":"Mark","value_id":"Q13610143","value_raw":"Q13610143","rank":"normal","current":null,"qualifiers":[{"field":"P1545","label":"series ordinal","value":"1"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P735","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P735","label":"given name","value":"Irwin","value_id":"Q16277131","value_raw":"Q16277131","rank":"normal","current":null,"qualifiers":[{"field":"P1545","label":"series ordinal","value":"2"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P735","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1153","label":"Scopus author ID","value":"7004466835","value_id":null,"value_raw":"7004466835","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P1153","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1196","label":"manner of death","value":"natural causes","value_id":"Q3739104","value_raw":"Q3739104","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P1196","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{}]},"trust":{"band":"medium","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P2381","label":"Academic Tree ID","value":"63476","value_id":null,"value_raw":"63476","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P2381","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P13591","label":"Yale LUX ID","value":"person/770fd987-fcbe-4ee2-9555-90189d8c6c7b","value_id":null,"value_raw":"person/770fd987-fcbe-4ee2-9555-90189d8c6c7b","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q92022576#P13591","source_edition":"2026-10-31T07:26:14Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}}],"unknowns":[],"omitted":{"facts":0,"reason":null},"licences":[{"source":"wikidata","source_name":"Wikidata","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"fields":["P31","P569","P570","P20","P106","P21","P69","P108","P184","P185","P509","P549","P734","P735","P1153","P1196","P2381","P13591"]}],"routes":{"entity_page":"https://4ort.xyz/entity/mark-appelbaum","packet_api":"https://4ort.xyz/api/v1/entities/mark-appelbaum/packet","facts_jsonld":"https://4ort.xyz/entity/mark-appelbaum/facts.json","changes_api":"https://4ort.xyz/api/v1/knowledge/get_entity_changes?entity=mark-appelbaum","attention_api":"https://4ort.xyz/api/v1/knowledge/get_attention?entity=mark-appelbaum","wikidata":"https://www.wikidata.org/wiki/Q92022576","official_website":null},"trust_rules":{"wikidata-reference-support/2":"From the references in our copy of the statement: high = it cites a source (stated in P248, or a reference URL that is not Wikipedia); medium = only 'imported from Wikimedia project' or a Wikipedia URL; unscored = our copy holds no reference (older copies dropped references, so this is not evidence that Wikidata has none). Wikidata may hold more references than our copy shows. Reference support, not a probability."},"notes":[]}