{"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":"1510248","name":"No 3"},"operator":{"type":"operator","id":"P16281","name":"Shane-Dale Enterprises Inc"},"controller":{"type":"controller","id":"C11354","name":"Robbins Gus D"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00949","name":"Jimmy  Blanton"},"object":{"type":"mine","id":"1510248","name":"No 3"},"validFrom":"1973-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510248|C00949|1973-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01119","name":"Kentucky Harlan Coal Company Inc"},"object":{"type":"mine","id":"1510248","name":"No 3"},"validFrom":"1977-03-01","validTo":"1983-09-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510248|P01119|1977-03-01|1983-09-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00949","name":"Jimmy  Blanton"},"object":{"type":"operator","id":"P01119","name":"Kentucky Harlan Coal Company Inc"},"validFrom":"1977-03-01","validTo":"1983-09-12","current":false,"derived":true,"evidenceMineId":"1510248","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510248|P01119|1977-03-01|C00949|1973-01-01|51222"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14953","name":"Carl-Stan Enterprises Inc"},"object":{"type":"mine","id":"1510248","name":"No 3"},"validFrom":"1983-09-13","validTo":"1984-10-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510248|P14953|1983-09-13|1984-10-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10645","name":"Tony Carlis  Mahon"},"object":{"type":"mine","id":"1510248","name":"No 3"},"validFrom":"1983-09-13","validTo":"1984-10-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510248|C10645|1983-09-13|1984-10-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10645","name":"Tony Carlis  Mahon"},"object":{"type":"operator","id":"P14953","name":"Carl-Stan Enterprises Inc"},"validFrom":"1983-09-13","validTo":"1984-10-21","current":false,"derived":true,"evidenceMineId":"1510248","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510248|P14953|1983-09-13|C10645|1983-09-13|82481"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16281","name":"Shane-Dale Enterprises Inc"},"object":{"type":"mine","id":"1510248","name":"No 3"},"validFrom":"1984-10-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510248|P16281|1984-10-22|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11354","name":"Robbins Gus D"},"object":{"type":"mine","id":"1510248","name":"No 3"},"validFrom":"1984-10-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510248|C11354|1984-10-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11354","name":"Robbins Gus D"},"object":{"type":"operator","id":"P16281","name":"Shane-Dale Enterprises Inc"},"validFrom":"1984-10-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"1510248","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510248|P16281|1984-10-22|C11354|1984-10-22|84425"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1510248","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"}}