{"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":"1502616","name":"No 25 Mine"},"operator":{"type":"operator","id":"P06852","name":"Star Dust Coal Company"},"controller":{"type":"controller","id":"C05686","name":"Coleman Gary D"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P08939","name":"Harvey Hodge Coal Company"},"object":{"type":"mine","id":"1502616","name":"No 25 Mine"},"validFrom":"1950-01-01","validTo":"1971-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1502616|P08939|1950-01-01|1971-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01646","name":"Hodge Harvey"},"object":{"type":"mine","id":"1502616","name":"No 25 Mine"},"validFrom":"1950-01-01","validTo":"1971-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1502616|C01646|1950-01-01|1971-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01646","name":"Hodge Harvey"},"object":{"type":"operator","id":"P08939","name":"Harvey Hodge Coal Company"},"validFrom":"1950-01-01","validTo":"1971-12-31","current":false,"derived":true,"evidenceMineId":"1502616","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1502616|P08939|1950-01-01|C01646|1950-01-01|55452"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P06852","name":"Star Dust Coal Company"},"object":{"type":"mine","id":"1502616","name":"No 25 Mine"},"validFrom":"1972-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1502616|P06852|1972-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05686","name":"Coleman Gary D"},"object":{"type":"mine","id":"1502616","name":"No 25 Mine"},"validFrom":"1972-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1502616|C05686|1972-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05686","name":"Coleman Gary D"},"object":{"type":"operator","id":"P06852","name":"Star Dust Coal Company"},"validFrom":"1972-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1502616","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1502616|P06852|1972-01-01|C05686|1972-01-01|69583"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1502616","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"}}