{"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":"1518238","name":"Spring Branch No 1"},"operator":{"type":"operator","id":"P24465","name":"Cook & Sons Mining Inc"},"controller":{"type":"controller","id":"C04802","name":"Michael K  Cook; Randy A  Cook"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08472","name":"Allen G  Stump et al"},"object":{"type":"mine","id":"1518238","name":"Spring Branch No 1"},"validFrom":"1998-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518238|C08472|1998-10-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23992","name":"Gentec Processing Inc"},"object":{"type":"mine","id":"1518238","name":"Spring Branch No 1"},"validFrom":"2000-02-01","validTo":"2001-02-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518238|P23992|2000-02-01|2001-02-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08472","name":"Allen G  Stump et al"},"object":{"type":"operator","id":"P23992","name":"Gentec Processing Inc"},"validFrom":"2000-02-01","validTo":"2001-02-04","current":false,"derived":true,"evidenceMineId":"1518238","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518238|P23992|2000-02-01|C08472|1998-10-01|77395"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04802","name":"Michael K  Cook et al"},"object":{"type":"mine","id":"1518238","name":"Spring Branch No 1"},"validFrom":"2000-11-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518238|C04802|2000-11-10|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24465","name":"Cook & Sons Mining Inc"},"object":{"type":"mine","id":"1518238","name":"Spring Branch No 1"},"validFrom":"2001-02-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518238|P24465|2001-02-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04802","name":"Michael K  Cook et al"},"object":{"type":"operator","id":"P24465","name":"Cook & Sons Mining Inc"},"validFrom":"2001-02-05","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518238","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518238|P24465|2001-02-05|C04802|2000-11-10|66818"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04802","name":"Randy A  Cook et al"},"object":{"type":"operator","id":"P24465","name":"Cook & Sons Mining Inc"},"validFrom":"2001-02-05","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518238","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518238|P24465|2001-02-05|C04802|2000-11-10|66819"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1518238","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"}}