{"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":"1202282","name":"Star Quarry Co."},"operator":{"type":"operator","id":"L09753","name":"Star Quarry Co., Inc"},"controller":{"type":"controller","id":"0072431","name":"Alfred  Peterson"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07643","name":"Frank  Stigall"},"object":{"type":"mine","id":"1202282","name":"Star Quarry Co."},"validFrom":"1987-06-01","validTo":"2007-10-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1202282|M07643|1987-06-01|2007-10-21"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09753","name":"Star Quarry Co., Inc"},"object":{"type":"mine","id":"1202282","name":"Star Quarry Co."},"validFrom":"2000-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1202282|L09753|2000-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07643","name":"Frank  Stigall"},"object":{"type":"operator","id":"L09753","name":"Star Quarry Co., Inc"},"validFrom":"2000-06-01","validTo":"2007-10-21","current":false,"derived":true,"evidenceMineId":"1202282","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1202282|L09753|2000-06-01|M07643|1987-06-01|141685"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0072431","name":"Alfred  Peterson et al"},"object":{"type":"mine","id":"1202282","name":"Star Quarry Co."},"validFrom":"2007-10-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1202282|0072431|2007-10-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0072431","name":"Alfred  Peterson et al"},"object":{"type":"operator","id":"L09753","name":"Star Quarry Co., Inc"},"validFrom":"2007-10-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"1202282","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1202282|L09753|2000-06-01|0072431|2007-10-22|11228"}}],"coverage":{"historyRecords":2,"edgeCount":5,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1202282","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"}}