{"data":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-17T05:35:58.500035+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"4100298","name":"BYK USA LLC Plants & Pits"},"operator":{"type":"operator","id":"0149493","name":"BYK USA LLC"},"controller":{"type":"controller","id":"0113325","name":"Altana Group (Germany)"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00214","name":"Southern Clay Products Inc"},"object":{"type":"mine","id":"4100298","name":"BYK USA LLC Plants & Pits"},"validFrom":"1950-01-01","validTo":"1991-09-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4100298|L00214|1950-01-01|1991-09-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00025","name":"English China Clays PLC"},"object":{"type":"mine","id":"4100298","name":"BYK USA LLC Plants & Pits"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4100298|M00025|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00025","name":"English China Clays PLC"},"object":{"type":"operator","id":"L00214","name":"Southern Clay Products Inc"},"validFrom":"1950-01-01","validTo":"1991-09-24","current":false,"derived":true,"evidenceMineId":"4100298","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4100298|L00214|1950-01-01|M00025|1950-01-01|102110"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12358","name":"BYK Additives Inc."},"object":{"type":"mine","id":"4100298","name":"BYK USA LLC Plants & Pits"},"validFrom":"1991-09-25","validTo":"2017-02-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4100298|L12358|1991-09-25|2017-02-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09256","name":"Laporte Plc"},"object":{"type":"mine","id":"4100298","name":"BYK USA LLC Plants & Pits"},"validFrom":"1991-09-25","validTo":"2002-10-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4100298|M09256|1991-09-25|2002-10-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09256","name":"Laporte Plc"},"object":{"type":"operator","id":"L12358","name":"BYK Additives Inc."},"validFrom":"1991-09-25","validTo":"2002-10-30","current":false,"derived":true,"evidenceMineId":"4100298","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4100298|L12358|1991-09-25|M09256|1991-09-25|146002"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0043717","name":"Rockwood Specialties Group Inc"},"object":{"type":"mine","id":"4100298","name":"BYK USA LLC Plants & Pits"},"validFrom":"2002-10-31","validTo":"2013-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4100298|0043717|2002-10-31|2013-09-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0043717","name":"Rockwood Specialties Group Inc"},"object":{"type":"operator","id":"L12358","name":"BYK Additives Inc."},"validFrom":"2002-10-31","validTo":"2013-09-30","current":false,"derived":true,"evidenceMineId":"4100298","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4100298|L12358|1991-09-25|0043717|2002-10-31|4785"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0113325","name":"Altana Group (Germany)"},"object":{"type":"mine","id":"4100298","name":"BYK USA LLC Plants & Pits"},"validFrom":"2013-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4100298|0113325|2013-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0113325","name":"Altana Group (Germany)"},"object":{"type":"operator","id":"L12358","name":"BYK Additives Inc."},"validFrom":"2013-10-01","validTo":"2017-02-21","current":false,"derived":true,"evidenceMineId":"4100298","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4100298|L12358|1991-09-25|0113325|2013-10-01|21143"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0113325","name":"Altana Group (Germany)"},"object":{"type":"mine","id":"4100298","name":"BYK USA LLC Plants & Pits"},"validFrom":"2017-02-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4100298|0113325|2017-02-15|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0149493","name":"BYK USA LLC"},"object":{"type":"mine","id":"4100298","name":"BYK USA LLC Plants & Pits"},"validFrom":"2017-02-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4100298|0149493|2017-02-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0113325","name":"Altana Group (Germany)"},"object":{"type":"operator","id":"0149493","name":"BYK USA LLC"},"validFrom":"2017-02-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"4100298","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4100298|0149493|2017-02-22|0113325|2017-02-15|21148"}}],"coverage":{"historyRecords":5,"edgeCount":13,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4100298","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}