{"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":"2026-10-17T05:35:58.500035+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":"1700584","name":"Portable Pioneer Plant"},"operator":{"type":"operator","id":"L10360","name":"Ferraiolo Construction"},"controller":{"type":"controller","id":"0195721","name":"John  Ferraiolo; Vincent  Ferraiolo"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05045","name":"Ronald Paul  MacQuinn Jr"},"object":{"type":"mine","id":"1700584","name":"Portable Pioneer Plant"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1700584|M05045|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08077","name":"Vincent  Ferraiolo"},"object":{"type":"mine","id":"1700584","name":"Portable Pioneer Plant"},"validFrom":"1980-03-01","validTo":"2025-08-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1700584|M08077|1980-03-01|2025-08-19"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06327","name":"Harold Mac Quinn Inc"},"object":{"type":"mine","id":"1700584","name":"Portable Pioneer Plant"},"validFrom":"1987-04-01","validTo":"1988-07-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1700584|L06327|1987-04-01|1988-07-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05045","name":"Ronald Paul  MacQuinn Jr"},"object":{"type":"operator","id":"L06327","name":"Harold Mac Quinn Inc"},"validFrom":"1987-04-01","validTo":"1988-07-26","current":false,"derived":true,"evidenceMineId":"1700584","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1700584|L06327|1987-04-01|M05045|1950-01-01|133580"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10360","name":"Ferraiolo Construction"},"object":{"type":"mine","id":"1700584","name":"Portable Pioneer Plant"},"validFrom":"1988-07-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1700584|L10360|1988-07-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08077","name":"Vincent  Ferraiolo"},"object":{"type":"operator","id":"L10360","name":"Ferraiolo Construction"},"validFrom":"1988-07-27","validTo":"2025-08-19","current":false,"derived":true,"evidenceMineId":"1700584","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1700584|L10360|1988-07-27|M08077|1980-03-01|142687"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0195721","name":"John  Ferraiolo et al"},"object":{"type":"mine","id":"1700584","name":"Portable Pioneer Plant"},"validFrom":"2025-08-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1700584|0195721|2025-08-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0195721","name":"John  Ferraiolo et al"},"object":{"type":"operator","id":"L10360","name":"Ferraiolo Construction"},"validFrom":"2025-08-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"1700584","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1700584|L10360|1988-07-27|0195721|2025-08-20|41805"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0195721","name":"Vincent  Ferraiolo et al"},"object":{"type":"operator","id":"L10360","name":"Ferraiolo Construction"},"validFrom":"2025-08-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"1700584","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1700584|L10360|1988-07-27|0195721|2025-08-20|41806"}}],"coverage":{"historyRecords":4,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1700584","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}