{"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":"4703837","name":"Crusher#7"},"operator":{"type":"operator","id":"L11587","name":"Haas Son's Inc."},"controller":{"type":"controller","id":"M06304","name":"Steven  Haas; Gary  Haas"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06304","name":"Gary  Haas et al"},"object":{"type":"mine","id":"4703837","name":"Crusher#7"},"validFrom":"1985-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4703837|M06304|1985-08-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0139101","name":"Jeff  Antczak"},"object":{"type":"mine","id":"4703837","name":"Crusher#7"},"validFrom":"2018-03-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4703837|0139101|2018-03-05|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0155713","name":"Antczak Aggregate Producers LLC"},"object":{"type":"mine","id":"4703837","name":"Crusher#7"},"validFrom":"2019-03-14","validTo":"2025-02-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4703837|0155713|2019-03-14|2025-02-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0139101","name":"Jeff  Antczak"},"object":{"type":"operator","id":"0155713","name":"Antczak Aggregate Producers LLC"},"validFrom":"2019-03-14","validTo":"2025-02-20","current":false,"derived":true,"evidenceMineId":"4703837","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4703837|0155713|2019-03-14|0139101|2018-03-05|28194"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11587","name":"Haas Son's Inc."},"object":{"type":"mine","id":"4703837","name":"Crusher#7"},"validFrom":"2025-02-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4703837|L11587|2025-02-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06304","name":"Gary  Haas et al"},"object":{"type":"operator","id":"L11587","name":"Haas Son's Inc."},"validFrom":"2025-02-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703837","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4703837|L11587|2025-02-21|M06304|1985-08-01|138216"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06304","name":"Steven  Haas et al"},"object":{"type":"operator","id":"L11587","name":"Haas Son's Inc."},"validFrom":"2025-02-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703837","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4703837|L11587|2025-02-21|M06304|1985-08-01|138217"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4703837","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"}}