{"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":"4002314","name":"No 10"},"operator":{"type":"operator","id":"P11163","name":"Universal Coal Company Inc"},"controller":{"type":"controller","id":"C08405","name":"Nash W Paul"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02649","name":"Phillips Bob H & W Paul Nash"},"object":{"type":"mine","id":"4002314","name":"No 10"},"validFrom":"1975-11-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002314|C02649|1975-11-12|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P03107","name":"Putnam County Coal Company Ltd"},"object":{"type":"mine","id":"4002314","name":"No 10"},"validFrom":"1977-09-01","validTo":"1980-11-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002314|P03107|1977-09-01|1980-11-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02649","name":"Phillips Bob H & W Paul Nash"},"object":{"type":"operator","id":"P03107","name":"Putnam County Coal Company Ltd"},"validFrom":"1977-09-01","validTo":"1980-11-19","current":false,"derived":true,"evidenceMineId":"4002314","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002314|P03107|1977-09-01|C02649|1975-11-12|60333"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08405","name":"Nash W Paul"},"object":{"type":"mine","id":"4002314","name":"No 10"},"validFrom":"1980-11-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002314|C08405|1980-11-13|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11163","name":"Universal Coal Company Inc"},"object":{"type":"mine","id":"4002314","name":"No 10"},"validFrom":"1980-11-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002314|P11163|1980-11-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08405","name":"Nash W Paul"},"object":{"type":"operator","id":"P11163","name":"Universal Coal Company Inc"},"validFrom":"1980-11-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"4002314","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002314|P11163|1980-11-20|C08405|1980-11-13|77201"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4002314","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"}}