{"schema_version":"4ort.packet/1","entity":{"entity_id":"polytechnikum-riga","kg_uuid":"8b97e97d-efb4-4325-976a-23e07efe9701","wikidata_id":"Q16351413","name":"Polytechnikum Riga","description":"university in Riga (1862-1896)","type":"Organization","url":"https://4ort.xyz/entity/polytechnikum-riga"},"status":"truncated","as_of":{"copy_written_at":"2026-11-07T18:25:06Z","last_source_edit_seen":"2026-10-03T14:25:12Z","stale_possible":true,"claims_refreshed_at":null,"source_revision":null},"facts":[{"field":"P31","label":"instance of","value":"educational institution","value_id":"Q2385804","value_raw":"Q2385804","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q16351413#P31","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"imported_from":"Latvian Wikipedia"}]},"trust":{"band":"medium","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P31","label":"instance of","value":"university","value_id":"Q3918","value_raw":"Q3918","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q16351413#P31","source_edition":null,"edition_basis":"unknown","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":"P571","label":"inception","value":"1862-10","value_id":null,"value_raw":"+1862-10-00T00:00:00Z","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q16351413#P571","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://kopkatalogs.lv/F/?func=direct&local_base=lnc10&doc_number=000014008","stated_in":"Electronic Union Catalogue of Latvian Libraries of National Significance","stated_in_id":"Q105945753","title":"Rīgas Politehnikums","retrieved":"2025-10-31"},{"url":"https://enciklopedija.lv/skirklis/112962","stated_in":"Latvian National Encyclopedia","stated_in_id":"Q21185511","title":"Rīgas Politehniskais institūts","retrieved":"2025-10-31"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P576","label":"dissolved, abolished or demolished","value":"1896-05","value_id":null,"value_raw":"+1896-05-00T00:00:00Z","rank":"normal","current":null,"qualifiers":[{"field":"P1534","label":"end cause","value":"restructuring"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q16351413#P576","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://kopkatalogs.lv/F/?func=direct&local_base=lnc10&doc_number=000014008","stated_in":"Electronic Union Catalogue of Latvian Libraries of National Significance","stated_in_id":"Q105945753","title":"Rīgas Politehnikums","retrieved":"2025-10-31"},{"url":"https://enciklopedija.lv/skirklis/112962","stated_in":"Latvian National Encyclopedia","stated_in_id":"Q21185511","title":"Rīgas Politehniskais institūts","retrieved":"2025-10-31"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P17","label":"country","value":"Russian Empire","value_id":"Q34266","value_raw":"Q34266","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q16351413#P17","source_edition":null,"edition_basis":"unknown","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":"P159","label":"headquarters location","value":"Riga","value_id":"Q1773","value_raw":"Q1773","rank":"normal","current":null,"qualifiers":[{"field":"P625","label":"coordinate location","value":"56.9472, 24.1047"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q16351413#P159","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://kopkatalogs.lv/F/?func=direct&local_base=lnc10&doc_number=000014008","stated_in":"Electronic Union Catalogue of Latvian Libraries of National Significance","stated_in_id":"Q105945753","title":"Rīgas Politehnikums","retrieved":"2025-10-31"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1037","label":"director / manager","value":"Theodor Grönberg","value_id":"Q16353639","value_raw":"Q16353639","rank":"normal","current":false,"qualifiers":[{"field":"P580","label":"start time","value":"1891"},{"field":"P582","label":"end time","value":"1902"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q16351413#P1037","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://enciklopedija.lv/skirklis/112962","stated_in":"Latvian National Encyclopedia","stated_in_id":"Q21185511","title":"Rīgas Politehniskais institūts","retrieved":"2025-10-31"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1037","label":"director / manager","value":"Kārlis Augusts Līventāls","value_id":"Q16360707","value_raw":"Q16360707","rank":"normal","current":false,"qualifiers":[{"field":"P580","label":"start time","value":"1886"},{"field":"P582","label":"end time","value":"1891"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q16351413#P1037","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://enciklopedija.lv/skirklis/112962","stated_in":"Latvian National Encyclopedia","stated_in_id":"Q21185511","title":"Rīgas Politehniskais institūts","retrieved":"2025-10-31"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1037","label":"director / manager","value":"Gustav Kieseritzky","value_id":"Q18342274","value_raw":"Q18342274","rank":"normal","current":false,"qualifiers":[{"field":"P580","label":"start time","value":"1875"},{"field":"P582","label":"end time","value":"1885"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q16351413#P1037","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://enciklopedija.lv/skirklis/112962","stated_in":"Latvian National Encyclopedia","stated_in_id":"Q21185511","title":"Rīgas Politehniskais institūts","retrieved":"2025-10-31"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1037","label":"director / manager","value":"Ernst Friedrich Nauck","value_id":"Q16356105","value_raw":"Q16356105","rank":"normal","current":false,"qualifiers":[{"field":"P580","label":"start time","value":"1862"},{"field":"P582","label":"end time","value":"1872"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q16351413#P1037","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://enciklopedija.lv/skirklis/112962","stated_in":"Latvian National Encyclopedia","stated_in_id":"Q21185511","title":"Rīgas Politehniskais institūts","retrieved":"2025-10-31"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1366","label":"replaced by","value":"Polytechnical Institute Riga","value_id":"Q16351408","value_raw":"Q16351408","rank":"normal","current":null,"qualifiers":[{"field":"P585","label":"point in time","value":"1896"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q16351413#P1366","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://kopkatalogs.lv/F/?func=direct&local_base=lnc10&doc_number=000014008","stated_in":"Electronic Union Catalogue of Latvian Libraries of National Significance","stated_in_id":"Q105945753","title":"Rīgas Politehnikums","retrieved":"2025-10-31"},{"url":"https://enciklopedija.lv/skirklis/112962","stated_in":"Latvian National Encyclopedia","stated_in_id":"Q21185511","title":"Rīgas Politehniskais institūts","retrieved":"2025-10-31"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1368","label":"National Library of Latvia ID","value":"000014008","value_id":null,"value_raw":"000014008","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q16351413#P1368","source_edition":null,"edition_basis":"unknown","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":"group/b51375b5-2c0c-41f1-a356-cc94fec2708f","value_id":null,"value_raw":"group/b51375b5-2c0c-41f1-a356-cc94fec2708f","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q16351413#P13591","source_edition":null,"edition_basis":"unknown","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":2,"reason":"max_facts; bare Q-id values without a label are left out"},"licences":[{"source":"wikidata","source_name":"Wikidata","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"fields":["P31","P571","P576","P17","P159","P1037","P1366","P1368","P13591"]}],"routes":{"entity_page":"https://4ort.xyz/entity/polytechnikum-riga","packet_api":"https://4ort.xyz/api/v1/entities/polytechnikum-riga/packet","facts_jsonld":"https://4ort.xyz/entity/polytechnikum-riga/facts.json","changes_api":"https://4ort.xyz/api/v1/knowledge/get_entity_changes?entity=polytechnikum-riga","attention_api":"https://4ort.xyz/api/v1/knowledge/get_attention?entity=polytechnikum-riga","wikidata":"https://www.wikidata.org/wiki/Q16351413","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":["Our copy of this item's statements has not been checked against Wikidata since tracking began (2026-10-25); a newer value may exist."]}