{"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":"4503458","name":"Portable Plant #1"},"operator":{"type":"operator","id":"L18352","name":"Quigg Bros Inc"},"controller":{"type":"controller","id":"M11300","name":"John  Quigg; Neil  Quigg"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17867","name":"Olympic Crushing & Recycle Inc"},"object":{"type":"mine","id":"4503458","name":"Portable Plant #1"},"validFrom":"2000-11-01","validTo":"2002-08-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503458|L17867|2000-11-01|2002-08-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13634","name":"Jeff  Waldner et al"},"object":{"type":"mine","id":"4503458","name":"Portable Plant #1"},"validFrom":"2000-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503458|M13634|2000-11-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13634","name":"Jeff  Waldner et al"},"object":{"type":"operator","id":"L17867","name":"Olympic Crushing & Recycle Inc"},"validFrom":"2000-11-01","validTo":"2002-08-26","current":false,"derived":true,"evidenceMineId":"4503458","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503458|L17867|2000-11-01|M13634|2000-11-01|156635"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11300","name":"John  Quigg et al"},"object":{"type":"mine","id":"4503458","name":"Portable Plant #1"},"validFrom":"2001-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503458|M11300|2001-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L18352","name":"Quigg Bros Inc"},"object":{"type":"mine","id":"4503458","name":"Portable Plant #1"},"validFrom":"2002-08-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503458|L18352|2002-08-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11300","name":"John  Quigg et al"},"object":{"type":"operator","id":"L18352","name":"Quigg Bros Inc"},"validFrom":"2002-08-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"4503458","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503458|L18352|2002-08-27|M11300|2001-01-01|151149"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11300","name":"Neil  Quigg et al"},"object":{"type":"operator","id":"L18352","name":"Quigg Bros Inc"},"validFrom":"2002-08-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"4503458","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503458|L18352|2002-08-27|M11300|2001-01-01|151150"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4503458","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"}}