{"schema_version":"4ort.packet/1","entity":{"entity_id":"jean-ferrandon","kg_uuid":"f636687a-8da3-458f-8db5-6f0bd068ae21","wikidata_id":"Q110935128","name":"Jean Ferrandon","description":"naval architect","type":"Person","url":"https://4ort.xyz/entity/jean-ferrandon"},"status":"complete","as_of":{"copy_written_at":"2026-10-28T19:33:48Z","last_source_edit_seen":"2026-07-23T11:23:30Z","stale_possible":false,"claims_refreshed_at":"2026-10-28T19:33:48Z","source_revision":2521596028},"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/Q110935128#P31","source_edition":"2026-10-28T19:33:48Z","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":"1909-07-15","value_id":null,"value_raw":"+1909-07-15T00:00:00Z","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P569","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://avis-deces.linternaute.com/nom/famille-ferrandon?page=3"},{"url":"https://www.whoswho.fr/decede/biographie-jean-ferrandon_4438"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P570","label":"date of death","value":"2004-10-15","value_id":null,"value_raw":"+2004-10-15T00:00:00Z","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P570","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://www.whoswho.fr/decede/biographie-jean-ferrandon_4438"},{"stated_in":"Bibliothèque nationale de France","stated_in_id":"Q193563"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P19","label":"place of birth","value":"Bernay","value_id":"Q18105","value_raw":"Q18105","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P19","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://avis-deces.linternaute.com/nom/famille-ferrandon?page=3"},{"url":"https://www.whoswho.fr/decede/biographie-jean-ferrandon_4438"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P20","label":"place of death","value":"16th arrondissement of Paris","value_id":"Q194420","value_raw":"Q194420","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P20","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://www.whoswho.fr/decede/biographie-jean-ferrandon_4438"},{"stated_in":"Bibliothèque nationale de France","stated_in_id":"Q193563"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P27","label":"country of citizenship","value":"France","value_id":"Q142","value_raw":"Q142","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P27","source_edition":"2026-10-28T19:33:48Z","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":"P106","label":"occupation","value":"docent","value_id":"Q462390","value_raw":"Q462390","rank":"normal","current":true,"qualifiers":[{"field":"P108","label":"employer","value":"École polytechnique"},{"field":"P580","label":"start time","value":"1956"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P106","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Journal officiel de la République française","stated_in_id":"Q1815103"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P106","label":"occupation","value":"teacher","value_id":"Q37226","value_raw":"Q37226","rank":"normal","current":true,"qualifiers":[{"field":"P101","label":"field of work","value":"mechanics"},{"field":"P108","label":"employer","value":"Mines ParisTech"},{"field":"P580","label":"start time","value":"1948"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P106","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://www.whoswho.fr/decede/biographie-jean-ferrandon_4438"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P106","label":"occupation","value":"marine engineer","value_id":"Q1644847","value_raw":"Q1644847","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P106","source_edition":"2026-10-28T19:33:48Z","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":"P39","label":"position held","value":"director of studies","value_id":"Q1291681","value_raw":"Q1291681","rank":"normal","current":false,"qualifiers":[{"field":"P108","label":"employer","value":"École polytechnique"},{"field":"P580","label":"start time","value":"1968"},{"field":"P582","label":"end time","value":"1977"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P39","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"La Jaune et la Rouge","stated_in_id":"Q41335781"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P166","label":"award received","value":"Officer of the Legion of Honour","value_id":"Q10855195","value_raw":"Q10855195","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P166","source_edition":"2026-10-28T19:33:48Z","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":"P166","label":"award received","value":"Commander of the French Order of Academic Palms","value_id":"Q14637188","value_raw":"Q14637188","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P166","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://www.whoswho.fr/decede/biographie-jean-ferrandon_4438"}]},"trust":{"band":"high","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/Q110935128#P21","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"general catalog of BnF","stated_in_id":"Q15222191","retrieved":"2026-07-23"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P69","label":"educated at","value":"Lycée Chaptal","value_id":"Q3268619","value_raw":"Q3268619","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P69","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Who's Who","stated_in_id":"Q282144"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P69","label":"educated at","value":"École Nationale des Ponts et Chaussées","value_id":"Q273523","value_raw":"Q273523","rank":"normal","current":false,"qualifiers":[{"field":"P580","label":"start time","value":"1930"},{"field":"P582","label":"end time","value":"1933"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P69","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://www.ecoledesponts.fr/sites/ecoledesponts.fr/files/documents/eleves_corps_civils_libres_courspreparatoires_1744_1930_fusionnee_maj16.01.2020.pdf"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P184","label":"doctoral advisor","value":"Henri Béghin","value_id":"Q3130766","value_raw":"Q3130766","rank":"normal","current":null,"qualifiers":[{"field":"P585","label":"point in time","value":"1944"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P184","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Mathematics Genealogy Project","stated_in_id":"Q829984"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P549","label":"Mathematics Genealogy Project ID","value":"293082","value_id":null,"value_raw":"293082","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P549","source_edition":"2026-10-28T19:33:48Z","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":"Ferrandon","value_id":"Q65103842","value_raw":"Q65103842","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P734","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Fichier des personnes décédées","stated_in_id":"Q80900474"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P735","label":"given name","value":"Jean","value_id":"Q7521081","value_raw":"Q7521081","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/Q110935128#P735","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Fichier des personnes décédées","stated_in_id":"Q80900474"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P735","label":"given name","value":"Charles","value_id":"Q2958359","value_raw":"Q2958359","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/Q110935128#P735","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Fichier des personnes décédées","stated_in_id":"Q80900474"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1412","label":"languages spoken, written or signed","value":"French","value_id":"Q150","value_raw":"Q150","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P1412","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Bibliothèque nationale de France","stated_in_id":"Q193563"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1556","label":"zbMATH author ID","value":"ferrandon.jean","value_id":null,"value_raw":"ferrandon.jean","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P1556","source_edition":"2026-10-28T19:33:48Z","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":"P2732","label":"Persée author ID","value":"838342","value_id":null,"value_raw":"838342","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P2732","source_edition":"2026-10-28T19:33:48Z","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":"P3065","label":"RERO ID (legacy)","value":"A011623398","value_id":null,"value_raw":"A011623398","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P3065","source_edition":"2026-10-28T19:33:48Z","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":"P4124","label":"Who's Who in France biography ID","value":"4438","value_id":null,"value_raw":"4438","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P4124","source_edition":"2026-10-28T19:33:48Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"retrieved":"2023-08-01"}]},"trust":{"band":"medium","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P4955","label":"MR Author ID","value":"442787","value_id":null,"value_raw":"442787","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P4955","source_edition":"2026-10-28T19:33:48Z","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":"P6104","label":"maintained by WikiProject","value":"WikiProject Mathematics","value_id":"Q8487137","value_raw":"Q8487137","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P6104","source_edition":"2026-10-28T19:33:48Z","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":"P9058","label":"Fichier des personnes décédées ID (matchID)","value":"4y9lTFGLJZZE","value_id":null,"value_raw":"4y9lTFGLJZZE","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q110935128#P9058","source_edition":"2026-10-28T19:33:48Z","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","P19","P20","P27","P106","P39","P166","P21","P69","P184","P549","P734","P735","P1412","P1556","P2732","P3065","P4124","P4955","P6104","P9058"]}],"routes":{"entity_page":"https://4ort.xyz/entity/jean-ferrandon","packet_api":"https://4ort.xyz/api/v1/entities/jean-ferrandon/packet","facts_jsonld":"https://4ort.xyz/entity/jean-ferrandon/facts.json","changes_api":"https://4ort.xyz/api/v1/knowledge/get_entity_changes?entity=jean-ferrandon","attention_api":"https://4ort.xyz/api/v1/knowledge/get_attention?entity=jean-ferrandon","wikidata":"https://www.wikidata.org/wiki/Q110935128","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":[]}