{"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":"4405813","name":"No 1 Mine"},"operator":{"type":"operator","id":"P17576","name":"Lonesome Pine Coal Corp"},"controller":{"type":"controller","id":"C07082","name":"Cumberland Resources Corporation"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12943","name":"Triple S Energy Inc"},"object":{"type":"mine","id":"4405813","name":"No 1 Mine"},"validFrom":"1981-12-01","validTo":"1986-04-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405813|P12943|1981-12-01|1986-04-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05095","name":"Stanley Fred & Jackie"},"object":{"type":"mine","id":"4405813","name":"No 1 Mine"},"validFrom":"1981-12-01","validTo":"1986-04-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405813|C05095|1981-12-01|1986-04-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05095","name":"Stanley Fred & Jackie"},"object":{"type":"operator","id":"P12943","name":"Triple S Energy Inc"},"validFrom":"1981-12-01","validTo":"1986-04-21","current":false,"derived":true,"evidenceMineId":"4405813","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405813|P12943|1981-12-01|C05095|1981-12-01|67532"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17576","name":"Lonesome Pine Coal Corp"},"object":{"type":"mine","id":"4405813","name":"No 1 Mine"},"validFrom":"1986-04-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405813|P17576|1986-04-22|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07082","name":"Cumberland Resources Corporation"},"object":{"type":"mine","id":"4405813","name":"No 1 Mine"},"validFrom":"1986-04-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405813|C07082|1986-04-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07082","name":"Cumberland Resources Corporation"},"object":{"type":"operator","id":"P17576","name":"Lonesome Pine Coal Corp"},"validFrom":"1986-04-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"4405813","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405813|P17576|1986-04-22|C07082|1986-04-22|73667"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4405813","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"}}