{"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":"2026-10-17T05:35:58.500035+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":"4101500","name":"Paisano Mines"},"operator":{"type":"operator","id":"L07913","name":"Machaca Resources Inc"},"controller":{"type":"controller","id":"M06289","name":"Fandrich J W"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L02223","name":"D & F Minerals Inc"},"object":{"type":"mine","id":"4101500","name":"Paisano Mines"},"validFrom":"1950-01-01","validTo":"1985-02-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4101500|L02223|1950-01-01|1985-02-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01044","name":"Daugherty Frank W"},"object":{"type":"mine","id":"4101500","name":"Paisano Mines"},"validFrom":"1950-01-01","validTo":"1985-02-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4101500|M01044|1950-01-01|1985-02-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01044","name":"Daugherty Frank W"},"object":{"type":"operator","id":"L02223","name":"D & F Minerals Inc"},"validFrom":"1950-01-01","validTo":"1985-02-28","current":false,"derived":true,"evidenceMineId":"4101500","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4101500|L02223|1950-01-01|M01044|1950-01-01|116593"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07913","name":"Machaca Resources Inc"},"object":{"type":"mine","id":"4101500","name":"Paisano Mines"},"validFrom":"1985-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4101500|L07913|1985-03-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06289","name":"Fandrich J W"},"object":{"type":"mine","id":"4101500","name":"Paisano Mines"},"validFrom":"1985-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4101500|M06289|1985-03-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06289","name":"Fandrich J W"},"object":{"type":"operator","id":"L07913","name":"Machaca Resources Inc"},"validFrom":"1985-03-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4101500","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4101500|L07913|1985-03-01|M06289|1985-03-01|138114"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4101500","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}