{"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":"4406435","name":"No 1"},"operator":{"type":"operator","id":"P19888","name":"P & R Coal Company Inc"},"controller":{"type":"controller","id":"C10670","name":"Richardson Jerry"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05381","name":"Raymond  Cline"},"object":{"type":"mine","id":"4406435","name":"No 1"},"validFrom":"1987-07-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406435|C05381|1987-07-10|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19000","name":"C & S Mining Corp"},"object":{"type":"mine","id":"4406435","name":"No 1"},"validFrom":"1987-12-01","validTo":"1988-11-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406435|P19000|1987-12-01|1988-11-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05381","name":"Raymond  Cline"},"object":{"type":"operator","id":"P19000","name":"C & S Mining Corp"},"validFrom":"1987-12-01","validTo":"1988-11-16","current":false,"derived":true,"evidenceMineId":"4406435","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406435|P19000|1987-12-01|C05381|1987-07-10|68647"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19888","name":"P & R Coal Company Inc"},"object":{"type":"mine","id":"4406435","name":"No 1"},"validFrom":"1988-11-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406435|P19888|1988-11-17|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10670","name":"Richardson Jerry Et Al"},"object":{"type":"mine","id":"4406435","name":"No 1"},"validFrom":"1988-11-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406435|C10670|1988-11-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10670","name":"Richardson Jerry Et Al"},"object":{"type":"operator","id":"P19888","name":"P & R Coal Company Inc"},"validFrom":"1988-11-17","validTo":null,"current":true,"derived":true,"evidenceMineId":"4406435","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406435|P19888|1988-11-17|C10670|1988-11-17|82529"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4406435","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"}}