{"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":"0401773","name":"FOURTH STREET ROCK CRUSHER"},"operator":{"type":"operator","id":"L10891","name":"Fourth Street Rock Crusher Inc"},"controller":{"type":"controller","id":"M11611","name":"RRM Development Corporation; Mitsubishi Corp"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10891","name":"Fourth Street Rock Crusher Inc"},"object":{"type":"mine","id":"0401773","name":"FOURTH STREET ROCK CRUSHER"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0401773|L10891|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08436","name":"Christi Johnson  Bulot"},"object":{"type":"mine","id":"0401773","name":"FOURTH STREET ROCK CRUSHER"},"validFrom":"1950-01-01","validTo":"2006-01-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0401773|M08436|1950-01-01|2006-01-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08436","name":"Christi Johnson  Bulot"},"object":{"type":"operator","id":"L10891","name":"Fourth Street Rock Crusher Inc"},"validFrom":"1950-01-01","validTo":"2006-01-10","current":false,"derived":true,"evidenceMineId":"0401773","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0401773|L10891|1950-01-01|M08436|1950-01-01|143351"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11611","name":"Mitsubishi Corp  et al"},"object":{"type":"mine","id":"0401773","name":"FOURTH STREET ROCK CRUSHER"},"validFrom":"2006-01-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0401773|M11611|2006-01-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11611","name":"Mitsubishi Corp  et al"},"object":{"type":"operator","id":"L10891","name":"Fourth Street Rock Crusher Inc"},"validFrom":"2006-01-11","validTo":null,"current":true,"derived":true,"evidenceMineId":"0401773","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0401773|L10891|1950-01-01|M11611|2006-01-11|151895"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11611","name":"RRM Development Corporation et al"},"object":{"type":"operator","id":"L10891","name":"Fourth Street Rock Crusher Inc"},"validFrom":"2006-01-11","validTo":null,"current":true,"derived":true,"evidenceMineId":"0401773","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0401773|L10891|1950-01-01|M11611|2006-01-11|151896"}}],"coverage":{"historyRecords":3,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0401773","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"}}