{"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":"1517602","name":"Mine #1"},"operator":{"type":"operator","id":"0050005","name":"M & D Pipeline, Inc."},"controller":{"type":"controller","id":"0042083","name":"Susan  Branham"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14580","name":"Gary N  Allen et al"},"object":{"type":"mine","id":"1517602","name":"Mine #1"},"validFrom":"1992-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517602|C14580|1992-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21817","name":"Beaver Minerals Inc"},"object":{"type":"mine","id":"1517602","name":"Mine #1"},"validFrom":"1994-10-01","validTo":"2001-09-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517602|P21817|1994-10-01|2001-09-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14580","name":"Gary N  Allen et al"},"object":{"type":"operator","id":"P21817","name":"Beaver Minerals Inc"},"validFrom":"1994-10-01","validTo":"2001-09-20","current":false,"derived":true,"evidenceMineId":"1517602","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517602|P21817|1994-10-01|C14580|1992-01-01|93327"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050005","name":"M & D Pipeline, Inc."},"object":{"type":"mine","id":"1517602","name":"Mine #1"},"validFrom":"2001-09-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517602|0050005|2001-09-21|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C16024","name":"Ocie A  May"},"object":{"type":"mine","id":"1517602","name":"Mine #1"},"validFrom":"2001-09-21","validTo":"2003-07-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517602|C16024|2001-09-21|2003-07-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C16024","name":"Ocie A  May"},"object":{"type":"operator","id":"0050005","name":"M & D Pipeline, Inc."},"validFrom":"2001-09-21","validTo":"2003-07-13","current":false,"derived":true,"evidenceMineId":"1517602","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517602|0050005|2001-09-21|C16024|2001-09-21|98095"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042083","name":"Susan  Branham"},"object":{"type":"mine","id":"1517602","name":"Mine #1"},"validFrom":"2003-07-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517602|0042083|2003-07-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042083","name":"Susan  Branham"},"object":{"type":"operator","id":"0050005","name":"M & D Pipeline, Inc."},"validFrom":"2003-07-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"1517602","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517602|0050005|2001-09-21|0042083|2003-07-14|3650"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1517602","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"}}