{"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":"4606603","name":"Mine No 1"},"operator":{"type":"operator","id":"P20455","name":"P S B Mining Company"},"controller":{"type":"controller","id":"C13928","name":"Smith Robert L"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02783","name":"Continental Resources & Mineral Corp"},"object":{"type":"mine","id":"4606603","name":"Mine No 1"},"validFrom":"1975-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606603|C02783|1975-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P05268","name":"Mc Namee Resources Inc"},"object":{"type":"mine","id":"4606603","name":"Mine No 1"},"validFrom":"1982-11-01","validTo":"1987-11-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606603|P05268|1982-11-01|1987-11-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02783","name":"Continental Resources & Mineral Corp"},"object":{"type":"operator","id":"P05268","name":"Mc Namee Resources Inc"},"validFrom":"1982-11-01","validTo":"1987-11-26","current":false,"derived":true,"evidenceMineId":"4606603","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606603|P05268|1982-11-01|C02783|1975-01-01|60773"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19189","name":"Psb Mining Company"},"object":{"type":"mine","id":"4606603","name":"Mine No 1"},"validFrom":"1987-11-27","validTo":"1989-08-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606603|P19189|1987-11-27|1989-08-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12291","name":"Paterino Charles E"},"object":{"type":"mine","id":"4606603","name":"Mine No 1"},"validFrom":"1987-11-27","validTo":"1989-08-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606603|C12291|1987-11-27|1989-08-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12291","name":"Paterino Charles E"},"object":{"type":"operator","id":"P19189","name":"Psb Mining Company"},"validFrom":"1987-11-27","validTo":"1989-08-21","current":false,"derived":true,"evidenceMineId":"4606603","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606603|P19189|1987-11-27|C12291|1987-11-27|86547"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20455","name":"P S B Mining Company"},"object":{"type":"mine","id":"4606603","name":"Mine No 1"},"validFrom":"1989-08-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606603|P20455|1989-08-22|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13928","name":"Smith Robert L"},"object":{"type":"mine","id":"4606603","name":"Mine No 1"},"validFrom":"1989-08-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606603|C13928|1989-08-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13928","name":"Smith Robert L"},"object":{"type":"operator","id":"P20455","name":"P S B Mining Company"},"validFrom":"1989-08-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"4606603","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606603|P20455|1989-08-22|C13928|1989-08-22|91495"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4606603","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"}}