{"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":"1601310","name":"MCCRAY LEASE"},"operator":{"type":"operator","id":"L14964","name":"Aggregate Materials Inc"},"controller":{"type":"controller","id":"M11995","name":"Guy  Modica Sr"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09991","name":"T Eric  Johnson"},"object":{"type":"mine","id":"1601310","name":"MCCRAY LEASE"},"validFrom":"1995-08-01","validTo":"1997-09-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601310|M09991|1995-08-01|1997-09-02"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14225","name":"Plainview Products Inc"},"object":{"type":"mine","id":"1601310","name":"MCCRAY LEASE"},"validFrom":"1996-09-01","validTo":"1996-11-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601310|L14225|1996-09-01|1996-11-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09991","name":"T Eric  Johnson"},"object":{"type":"operator","id":"L14225","name":"Plainview Products Inc"},"validFrom":"1996-09-01","validTo":"1996-11-11","current":false,"derived":true,"evidenceMineId":"1601310","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601310|L14225|1996-09-01|M09991|1995-08-01|148120"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14964","name":"Aggregate Materials Inc"},"object":{"type":"mine","id":"1601310","name":"MCCRAY LEASE"},"validFrom":"1996-11-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601310|L14964|1996-11-12|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11995","name":"Guy  Modica Sr"},"object":{"type":"mine","id":"1601310","name":"MCCRAY LEASE"},"validFrom":"1996-11-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601310|M11995|1996-11-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11995","name":"Guy  Modica Sr"},"object":{"type":"operator","id":"L14964","name":"Aggregate Materials Inc"},"validFrom":"1996-11-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"1601310","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601310|L14964|1996-11-12|M11995|1996-11-12|152889"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1601310","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"}}