{"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":"3503042","name":"Pankey Pit"},"operator":{"type":"operator","id":"L04537","name":"Publishers Paper Company"},"controller":{"type":"controller","id":"M03653","name":"Times Mirror"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02000","name":"Art  Braxling"},"object":{"type":"mine","id":"3503042","name":"Pankey Pit"},"validFrom":"1950-01-01","validTo":"2014-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503042|M02000|1950-01-01|2014-05-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03653","name":"Times Mirror"},"object":{"type":"mine","id":"3503042","name":"Pankey Pit"},"validFrom":"1978-01-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503042|M03653|1978-01-26|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L02274","name":"Braxling & Braxling Inc"},"object":{"type":"mine","id":"3503042","name":"Pankey Pit"},"validFrom":"1980-11-01","validTo":"1981-01-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503042|L02274|1980-11-01|1981-01-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02000","name":"Art  Braxling"},"object":{"type":"operator","id":"L02274","name":"Braxling & Braxling Inc"},"validFrom":"1980-11-01","validTo":"1981-01-04","current":false,"derived":true,"evidenceMineId":"3503042","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503042|L02274|1980-11-01|M02000|1950-01-01|122584"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L04537","name":"Publishers Paper Company"},"object":{"type":"mine","id":"3503042","name":"Pankey Pit"},"validFrom":"1981-01-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503042|L04537|1981-01-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03653","name":"Times Mirror"},"object":{"type":"operator","id":"L04537","name":"Publishers Paper Company"},"validFrom":"1981-01-05","validTo":null,"current":true,"derived":true,"evidenceMineId":"3503042","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503042|L04537|1981-01-05|M03653|1978-01-26|129678"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0114741","name":"Ronald D  Braxling"},"object":{"type":"mine","id":"3503042","name":"Pankey Pit"},"validFrom":"2014-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503042|0114741|2014-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0114741","name":"Ronald D  Braxling"},"object":{"type":"operator","id":"L02274","name":"Braxling & Braxling Inc"},"validFrom":"2014-06-01","validTo":"1981-01-04","current":false,"derived":true,"evidenceMineId":"3503042","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503042|L02274|1980-11-01|0114741|2014-06-01|21584"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3503042","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"}}