{"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":"4406282","name":"No 4"},"operator":{"type":"operator","id":"P19646","name":"Good Times Mining Inc"},"controller":{"type":"controller","id":"C00829","name":"Mack  Stiltner"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09855","name":"Roger Raymond  Baldwin"},"object":{"type":"mine","id":"4406282","name":"No 4"},"validFrom":"1982-07-15","validTo":"1991-08-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406282|C09855|1982-07-15|1991-08-04"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00474","name":"Mc Clanahan Donald Keith"},"object":{"type":"mine","id":"4406282","name":"No 4"},"validFrom":"1984-06-22","validTo":"1990-02-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406282|C00474|1984-06-22|1990-02-26"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19463","name":"Low Vein Coal Company Inc"},"object":{"type":"mine","id":"4406282","name":"No 4"},"validFrom":"1986-03-01","validTo":"1989-05-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406282|P19463|1986-03-01|1989-05-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04095","name":"Harman Kendris (Ken)"},"object":{"type":"mine","id":"4406282","name":"No 4"},"validFrom":"1986-03-01","validTo":"1992-05-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406282|C04095|1986-03-01|1992-05-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04095","name":"Harman Kendris (Ken)"},"object":{"type":"operator","id":"P19463","name":"Low Vein Coal Company Inc"},"validFrom":"1986-03-01","validTo":"1989-05-16","current":false,"derived":true,"evidenceMineId":"4406282","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406282|P19463|1986-03-01|C04095|1986-03-01|64741"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00829","name":"Mack  Stiltner et al"},"object":{"type":"mine","id":"4406282","name":"No 4"},"validFrom":"1988-07-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406282|C00829|1988-07-15|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13490","name":"Northern Mineral Inc"},"object":{"type":"mine","id":"4406282","name":"No 4"},"validFrom":"1989-05-17","validTo":"1989-07-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406282|P13490|1989-05-17|1989-07-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09855","name":"Roger Raymond  Baldwin"},"object":{"type":"operator","id":"P13490","name":"Northern Mineral Inc"},"validFrom":"1989-05-17","validTo":"1989-07-23","current":false,"derived":true,"evidenceMineId":"4406282","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406282|P13490|1989-05-17|C09855|1982-07-15|80745"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15790","name":"Mc Clair Mining Corp"},"object":{"type":"mine","id":"4406282","name":"No 4"},"validFrom":"1989-07-24","validTo":"1990-02-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406282|P15790|1989-07-24|1990-02-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00474","name":"Mc Clanahan Donald Keith"},"object":{"type":"operator","id":"P15790","name":"Mc Clair Mining Corp"},"validFrom":"1989-07-24","validTo":"1990-02-26","current":false,"derived":true,"evidenceMineId":"4406282","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406282|P15790|1989-07-24|C00474|1984-06-22|47440"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19646","name":"Good Times Mining Inc"},"object":{"type":"mine","id":"4406282","name":"No 4"},"validFrom":"1990-02-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406282|P19646|1990-02-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00829","name":"Mack  Stiltner et al"},"object":{"type":"operator","id":"P19646","name":"Good Times Mining Inc"},"validFrom":"1990-02-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"4406282","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406282|P19646|1990-02-27|C00829|1988-07-15|50324"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4406282","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"}}