{"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":"2026-10-13T11:19:05.459773+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":"3401030","name":"SEC. 20 & 25"},"operator":{"type":"operator","id":"L12298","name":"Hackett Stone"},"controller":{"type":"controller","id":"M09843","name":"Eugene W  Ibison Sr"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L04140","name":"C & B Rocking Corp"},"object":{"type":"mine","id":"3401030","name":"SEC. 20 & 25"},"validFrom":"1950-01-01","validTo":"1979-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401030|L04140|1950-01-01|1979-09-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03325","name":"Triche R C"},"object":{"type":"mine","id":"3401030","name":"SEC. 20 & 25"},"validFrom":"1950-01-01","validTo":"1979-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401030|M03325|1950-01-01|1979-09-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03325","name":"Triche R C"},"object":{"type":"operator","id":"L04140","name":"C & B Rocking Corp"},"validFrom":"1950-01-01","validTo":"1979-09-30","current":false,"derived":true,"evidenceMineId":"3401030","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401030|L04140|1950-01-01|M03325|1950-01-01|128739"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L04141","name":"Woodruff'S Rocking Company"},"object":{"type":"mine","id":"3401030","name":"SEC. 20 & 25"},"validFrom":"1979-10-01","validTo":"1991-05-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401030|L04141|1979-10-01|1991-05-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03326","name":"James  Woodruff et al"},"object":{"type":"mine","id":"3401030","name":"SEC. 20 & 25"},"validFrom":"1979-10-01","validTo":"1991-05-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401030|M03326|1979-10-01|1991-05-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03326","name":"James  Woodruff et al"},"object":{"type":"operator","id":"L04141","name":"Woodruff'S Rocking Company"},"validFrom":"1979-10-01","validTo":"1991-05-13","current":false,"derived":true,"evidenceMineId":"3401030","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401030|L04141|1979-10-01|M03326|1979-10-01|128740"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12298","name":"Hackett Stone"},"object":{"type":"mine","id":"3401030","name":"SEC. 20 & 25"},"validFrom":"1991-05-14","validTo":"1995-01-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401030|L12298|1991-05-14|1995-01-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09843","name":"Eugene W  Ibison Sr"},"object":{"type":"mine","id":"3401030","name":"SEC. 20 & 25"},"validFrom":"1991-05-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401030|M09843|1991-05-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09843","name":"Eugene W  Ibison Sr"},"object":{"type":"operator","id":"L12298","name":"Hackett Stone"},"validFrom":"1991-05-14","validTo":"1995-01-23","current":false,"derived":true,"evidenceMineId":"3401030","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401030|L12298|1991-05-14|M09843|1991-05-14|147671"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14019","name":"Hackett Stone Of Oklahoma"},"object":{"type":"mine","id":"3401030","name":"SEC. 20 & 25"},"validFrom":"1995-01-24","validTo":"1996-01-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401030|L14019|1995-01-24|1996-01-01"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10713","name":"Eugene W  Ibison Jr"},"object":{"type":"mine","id":"3401030","name":"SEC. 20 & 25"},"validFrom":"1995-01-24","validTo":"1996-01-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401030|M10713|1995-01-24|1996-01-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10713","name":"Eugene W  Ibison Jr"},"object":{"type":"operator","id":"L14019","name":"Hackett Stone Of Oklahoma"},"validFrom":"1995-01-24","validTo":"1996-01-01","current":false,"derived":true,"evidenceMineId":"3401030","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401030|L14019|1995-01-24|M10713|1995-01-24|149834"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12298","name":"Hackett Stone"},"object":{"type":"mine","id":"3401030","name":"SEC. 20 & 25"},"validFrom":"1996-01-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401030|L12298|1996-01-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09843","name":"Eugene W  Ibison Sr"},"object":{"type":"operator","id":"L12298","name":"Hackett Stone"},"validFrom":"1996-01-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"3401030","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401030|L12298|1996-01-02|M09843|1991-05-14|147672"}}],"coverage":{"historyRecords":5,"edgeCount":14,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3401030","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}