{"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":"3800428","name":"MINE #2"},"operator":{"type":"operator","id":"L00092","name":"Lane Construction Corporation"},"controller":{"type":"controller","id":"M00042","name":"Lane Industries Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00042","name":"Lane Industries Inc"},"object":{"type":"mine","id":"3800428","name":"MINE #2"},"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":"3800428|M00042|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00454","name":"Philipp Holzmann A G"},"object":{"type":"mine","id":"3800428","name":"MINE #2"},"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":"3800428|M00454|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01094","name":"J F Cleckley & Company"},"object":{"type":"mine","id":"3800428","name":"MINE #2"},"validFrom":"1950-01-01","validTo":"1997-03-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800428|L01094|1950-01-01|1997-03-12"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00954","name":"Harry M  Mims Jr"},"object":{"type":"mine","id":"3800428","name":"MINE #2"},"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":"3800428|M00954|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00954","name":"Harry M  Mims Jr"},"object":{"type":"operator","id":"L01094","name":"J F Cleckley & Company"},"validFrom":"1950-01-01","validTo":"1997-03-12","current":false,"derived":true,"evidenceMineId":"3800428","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800428|L01094|1950-01-01|M00954|1950-01-01|116136"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00534","name":"Rea Construction Company"},"object":{"type":"mine","id":"3800428","name":"MINE #2"},"validFrom":"1997-03-13","validTo":"2003-10-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800428|L00534|1997-03-13|2003-10-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00454","name":"Philipp Holzmann A G"},"object":{"type":"operator","id":"L00534","name":"Rea Construction Company"},"validFrom":"1997-03-13","validTo":"2003-10-30","current":false,"derived":true,"evidenceMineId":"3800428","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800428|L00534|1997-03-13|M00454|1950-01-01|111262"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051882","name":"Rea Contracting LLC"},"object":{"type":"mine","id":"3800428","name":"MINE #2"},"validFrom":"2003-10-31","validTo":"2012-04-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800428|0051882|2003-10-31|2012-04-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00042","name":"Lane Industries Inc"},"object":{"type":"mine","id":"3800428","name":"MINE #2"},"validFrom":"2003-10-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800428|M00042|2003-10-31|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00042","name":"Lane Industries Inc"},"object":{"type":"operator","id":"0051882","name":"Rea Contracting LLC"},"validFrom":"2003-10-31","validTo":"2012-04-18","current":false,"derived":true,"evidenceMineId":"3800428","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800428|0051882|2003-10-31|M00042|2003-10-31|102480"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00092","name":"Lane Construction Corporation"},"object":{"type":"mine","id":"3800428","name":"MINE #2"},"validFrom":"2012-04-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800428|L00092|2012-04-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00042","name":"Lane Industries Inc"},"object":{"type":"operator","id":"L00092","name":"Lane Construction Corporation"},"validFrom":"2012-04-19","validTo":null,"current":true,"derived":true,"evidenceMineId":"3800428","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800428|L00092|2012-04-19|M00042|1950-01-01|102468"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3800428","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"}}