{"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":"3003834","name":"S5000"},"operator":{"type":"operator","id":"L10256","name":"E Tetz & Sons Inc"},"controller":{"type":"controller","id":"M00356","name":"Peckham Industries Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02834","name":"Edward  Tetz Jr"},"object":{"type":"mine","id":"3003834","name":"S5000"},"validFrom":"1950-01-01","validTo":"2023-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3003834|M02834|1950-01-01|2023-05-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10256","name":"E Tetz & Sons Inc"},"object":{"type":"mine","id":"3003834","name":"S5000"},"validFrom":"2012-03-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3003834|L10256|2012-03-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02834","name":"Edward  Tetz Jr"},"object":{"type":"operator","id":"L10256","name":"E Tetz & Sons Inc"},"validFrom":"2012-03-22","validTo":"2023-05-31","current":false,"derived":true,"evidenceMineId":"3003834","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3003834|L10256|2012-03-22|M02834|1950-01-01|127086"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00356","name":"Peckham Industries Inc"},"object":{"type":"mine","id":"3003834","name":"S5000"},"validFrom":"2023-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3003834|M00356|2023-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00356","name":"Peckham Industries Inc"},"object":{"type":"operator","id":"L10256","name":"E Tetz & Sons Inc"},"validFrom":"2023-06-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3003834","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3003834|L10256|2012-03-22|M00356|2023-06-01|109998"}}],"coverage":{"historyRecords":2,"edgeCount":5,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3003834","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"}}