{"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":"2026-10-18T09:31:49.615908+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":"5400257","name":"BEST 2 ANASCO GRAVEL"},"operator":{"type":"operator","id":"L10050","name":"Betteroads Asphalt Corp"},"controller":{"type":"controller","id":"0107405","name":"Jorge L  Diaz"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02448","name":"Arturo  Diaz Jr"},"object":{"type":"mine","id":"5400257","name":"BEST 2 ANASCO GRAVEL"},"validFrom":"1980-07-01","validTo":"2012-12-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"5400257|M02448|1980-07-01|2012-12-11"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10050","name":"Betteroads Asphalt Corp"},"object":{"type":"mine","id":"5400257","name":"BEST 2 ANASCO GRAVEL"},"validFrom":"1981-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"5400257|L10050|1981-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02448","name":"Arturo  Diaz Jr"},"object":{"type":"operator","id":"L10050","name":"Betteroads Asphalt Corp"},"validFrom":"1981-01-01","validTo":"2012-12-11","current":false,"derived":true,"evidenceMineId":"5400257","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"5400257|L10050|1981-01-01|M02448|1980-07-01|125534"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0107405","name":"Jorge L  Diaz"},"object":{"type":"mine","id":"5400257","name":"BEST 2 ANASCO GRAVEL"},"validFrom":"2012-12-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"5400257|0107405|2012-12-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0107405","name":"Jorge L  Diaz"},"object":{"type":"operator","id":"L10050","name":"Betteroads Asphalt Corp"},"validFrom":"2012-12-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"5400257","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"5400257|L10050|1981-01-01|0107405|2012-12-12|19206"}}],"coverage":{"historyRecords":2,"edgeCount":5,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"5400257","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}