{"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":"2103540","name":"WP #1"},"operator":{"type":"operator","id":"L11216","name":"Wm D Scepaniak, Inc."},"controller":{"type":"controller","id":"0162221","name":"Anthony  Scepaniak; Joseph  Scepaniak"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08682","name":"William J  Scepaniak et al"},"object":{"type":"mine","id":"2103540","name":"WP #1"},"validFrom":"1981-07-01","validTo":"2021-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103540|M08682|1981-07-01|2021-04-30"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11216","name":"Wm D Scepaniak, Inc."},"object":{"type":"mine","id":"2103540","name":"WP #1"},"validFrom":"2006-05-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103540|L11216|2006-05-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08682","name":"William J  Scepaniak et al"},"object":{"type":"operator","id":"L11216","name":"Wm D Scepaniak, Inc."},"validFrom":"2006-05-22","validTo":"2021-04-30","current":false,"derived":true,"evidenceMineId":"2103540","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103540|L11216|2006-05-22|M08682|1981-07-01|143842"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0162221","name":"Joseph  Scepaniak et al"},"object":{"type":"mine","id":"2103540","name":"WP #1"},"validFrom":"2021-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103540|0162221|2021-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0162221","name":"Joseph  Scepaniak et al"},"object":{"type":"operator","id":"L11216","name":"Wm D Scepaniak, Inc."},"validFrom":"2021-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103540","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103540|L11216|2006-05-22|0162221|2021-05-01|34005"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0162221","name":"Anthony  Scepaniak et al"},"object":{"type":"operator","id":"L11216","name":"Wm D Scepaniak, Inc."},"validFrom":"2021-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103540","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103540|L11216|2006-05-22|0162221|2021-05-01|34006"}}],"coverage":{"historyRecords":3,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2103540","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"}}