{"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":"0600225","name":"Danielson Pit & Mill"},"operator":{"type":"operator","id":"L33074","name":"Ernest Joly & Sons Inc"},"controller":{"type":"controller","id":"0177181","name":"Robert  Joly Jr; Mark  Seiffert; Derek  Seney"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L33074","name":"Ernest Joly & Sons Inc"},"object":{"type":"mine","id":"0600225","name":"Danielson Pit & Mill"},"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":"0600225|L33074|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M33074","name":"Rand  Joly et al"},"object":{"type":"mine","id":"0600225","name":"Danielson Pit & Mill"},"validFrom":"1950-01-01","validTo":"2021-01-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600225|M33074|1950-01-01|2021-01-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M33074","name":"Rand  Joly et al"},"object":{"type":"operator","id":"L33074","name":"Ernest Joly & Sons Inc"},"validFrom":"1950-01-01","validTo":"2021-01-01","current":false,"derived":true,"evidenceMineId":"0600225","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600225|L33074|1950-01-01|M33074|1950-01-01|161622"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0177181","name":"Derek  Seney et al"},"object":{"type":"mine","id":"0600225","name":"Danielson Pit & Mill"},"validFrom":"2021-01-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600225|0177181|2021-01-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0177181","name":"Derek  Seney et al"},"object":{"type":"operator","id":"L33074","name":"Ernest Joly & Sons Inc"},"validFrom":"2021-01-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"0600225","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600225|L33074|1950-01-01|0177181|2021-01-02|38000"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0177181","name":"Robert  Joly Jr et al"},"object":{"type":"operator","id":"L33074","name":"Ernest Joly & Sons Inc"},"validFrom":"2021-01-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"0600225","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600225|L33074|1950-01-01|0177181|2021-01-02|38001"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0177181","name":"Mark  Seiffert et al"},"object":{"type":"operator","id":"L33074","name":"Ernest Joly & Sons Inc"},"validFrom":"2021-01-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"0600225","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600225|L33074|1950-01-01|0177181|2021-01-02|38002"}}],"coverage":{"historyRecords":4,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0600225","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"}}