{"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":"1513961","name":"No 36"},"operator":{"type":"operator","id":"P00301","name":"C & H Coal Company Inc"},"controller":{"type":"controller","id":"C00241","name":"Hunter Caner"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00241","name":"Hunter Caner"},"object":{"type":"mine","id":"1513961","name":"No 36"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513961|C00241|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03763","name":"Kiser Jimmy"},"object":{"type":"mine","id":"1513961","name":"No 36"},"validFrom":"1974-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513961|C03763|1974-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08235","name":"Kiser Blake & Jimmy-Arthur Tackett"},"object":{"type":"mine","id":"1513961","name":"No 36"},"validFrom":"1980-07-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513961|C08235|1980-07-14|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10874","name":"Kiser & Tackett Coal Company Inc"},"object":{"type":"mine","id":"1513961","name":"No 36"},"validFrom":"1983-03-01","validTo":"1983-10-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513961|P10874|1983-03-01|1983-10-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08235","name":"Kiser Blake & Jimmy-Arthur Tackett"},"object":{"type":"operator","id":"P10874","name":"Kiser & Tackett Coal Company Inc"},"validFrom":"1983-03-01","validTo":"1983-10-24","current":false,"derived":true,"evidenceMineId":"1513961","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513961|P10874|1983-03-01|C08235|1980-07-14|76814"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P04570","name":"Kiser Brothers Coal Company Inc"},"object":{"type":"mine","id":"1513961","name":"No 36"},"validFrom":"1983-10-25","validTo":"1986-02-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513961|P04570|1983-10-25|1986-02-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03763","name":"Kiser Jimmy"},"object":{"type":"operator","id":"P04570","name":"Kiser Brothers Coal Company Inc"},"validFrom":"1983-10-25","validTo":"1986-02-12","current":false,"derived":true,"evidenceMineId":"1513961","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513961|P04570|1983-10-25|C03763|1974-01-01|63784"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17782","name":"Lakin Coal Company Inc"},"object":{"type":"mine","id":"1513961","name":"No 36"},"validFrom":"1986-02-13","validTo":"1988-08-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513961|P17782|1986-02-13|1988-08-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00529","name":"George  Newsom"},"object":{"type":"mine","id":"1513961","name":"No 36"},"validFrom":"1986-02-13","validTo":"1988-08-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513961|C00529|1986-02-13|1988-08-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00529","name":"George  Newsom"},"object":{"type":"operator","id":"P17782","name":"Lakin Coal Company Inc"},"validFrom":"1986-02-13","validTo":"1988-08-15","current":false,"derived":true,"evidenceMineId":"1513961","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513961|P17782|1986-02-13|C00529|1986-02-13|47827"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00301","name":"C & H Coal Company Inc"},"object":{"type":"mine","id":"1513961","name":"No 36"},"validFrom":"1988-08-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513961|P00301|1988-08-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00241","name":"Hunter Caner"},"object":{"type":"operator","id":"P00301","name":"C & H Coal Company Inc"},"validFrom":"1988-08-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"1513961","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513961|P00301|1988-08-16|C00241|1950-01-01|45446"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1513961","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"}}