{"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":"4606121","name":"Shana #1"},"operator":{"type":"operator","id":"P16580","name":"Shana Coal Inc"},"controller":{"type":"controller","id":"C00345","name":"Minnix Dann"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10310","name":"Compliance Processing Corp"},"object":{"type":"mine","id":"4606121","name":"Shana #1"},"validFrom":"1980-02-01","validTo":"1985-01-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606121|P10310|1980-02-01|1985-01-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07873","name":"Dickey Charles"},"object":{"type":"mine","id":"4606121","name":"Shana #1"},"validFrom":"1980-02-01","validTo":"1985-01-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606121|C07873|1980-02-01|1985-01-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07873","name":"Dickey Charles"},"object":{"type":"operator","id":"P10310","name":"Compliance Processing Corp"},"validFrom":"1980-02-01","validTo":"1985-01-08","current":false,"derived":true,"evidenceMineId":"4606121","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606121|P10310|1980-02-01|C07873|1980-02-01|75885"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16580","name":"Shana Coal Inc"},"object":{"type":"mine","id":"4606121","name":"Shana #1"},"validFrom":"1985-01-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606121|P16580|1985-01-09|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00345","name":"Minnix Dann Et Al"},"object":{"type":"mine","id":"4606121","name":"Shana #1"},"validFrom":"1985-01-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606121|C00345|1985-01-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00345","name":"Minnix Dann Et Al"},"object":{"type":"operator","id":"P16580","name":"Shana Coal Inc"},"validFrom":"1985-01-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"4606121","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606121|P16580|1985-01-09|C00345|1985-01-09|46293"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4606121","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"}}