{"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":"1514032","name":"No 1 Mine"},"operator":{"type":"operator","id":"P14890","name":"Teebeerery Minerals Inc"},"controller":{"type":"controller","id":"C05403","name":"Dailey Richard L"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09969","name":"Barnes Jack"},"object":{"type":"mine","id":"1514032","name":"No 1 Mine"},"validFrom":"1982-09-01","validTo":"1983-12-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514032|C09969|1982-09-01|1983-12-05"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13613","name":"Toma Hawk Coal Company Inc"},"object":{"type":"mine","id":"1514032","name":"No 1 Mine"},"validFrom":"1983-05-01","validTo":"1983-12-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514032|P13613|1983-05-01|1983-12-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09969","name":"Barnes Jack"},"object":{"type":"operator","id":"P13613","name":"Toma Hawk Coal Company Inc"},"validFrom":"1983-05-01","validTo":"1983-12-05","current":false,"derived":true,"evidenceMineId":"1514032","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514032|P13613|1983-05-01|C09969|1982-09-01|80988"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14890","name":"Teebeerery Minerals Inc"},"object":{"type":"mine","id":"1514032","name":"No 1 Mine"},"validFrom":"1983-12-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514032|P14890|1983-12-06|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05403","name":"Dailey Richard L"},"object":{"type":"mine","id":"1514032","name":"No 1 Mine"},"validFrom":"1983-12-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514032|C05403|1983-12-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05403","name":"Dailey Richard L"},"object":{"type":"operator","id":"P14890","name":"Teebeerery Minerals Inc"},"validFrom":"1983-12-06","validTo":null,"current":true,"derived":true,"evidenceMineId":"1514032","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514032|P14890|1983-12-06|C05403|1983-12-06|68713"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1514032","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"}}