{"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":"3000292","name":"COHOES MINE AND MILL"},"operator":{"type":"operator","id":"L14430","name":"NORLITE"},"controller":{"type":"controller","id":"M11018","name":"Tradebe Northeast LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L02532","name":"Norlite Corp"},"object":{"type":"mine","id":"3000292","name":"COHOES MINE AND MILL"},"validFrom":"1950-01-01","validTo":"1991-12-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000292|L02532|1950-01-01|1991-12-22"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00901","name":"P J Keating Company"},"object":{"type":"mine","id":"3000292","name":"COHOES MINE AND MILL"},"validFrom":"1950-01-01","validTo":"1991-12-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000292|M00901|1950-01-01|1991-12-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00901","name":"P J Keating Company"},"object":{"type":"operator","id":"L02532","name":"Norlite Corp"},"validFrom":"1950-01-01","validTo":"1991-12-22","current":false,"derived":true,"evidenceMineId":"3000292","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000292|L02532|1950-01-01|M00901|1950-01-01|115822"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12420","name":"Norlite Corp"},"object":{"type":"mine","id":"3000292","name":"COHOES MINE AND MILL"},"validFrom":"1991-12-23","validTo":"1995-11-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000292|L12420|1991-12-23|1995-11-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09528","name":"Rheinisch-Westfaelische Elektrizitaetswerk Ag"},"object":{"type":"mine","id":"3000292","name":"COHOES MINE AND MILL"},"validFrom":"1991-12-23","validTo":"1995-11-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000292|M09528|1991-12-23|1995-11-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09528","name":"Rheinisch-Westfaelische Elektrizitaetswerk Ag"},"object":{"type":"operator","id":"L12420","name":"Norlite Corp"},"validFrom":"1991-12-23","validTo":"1995-11-30","current":false,"derived":true,"evidenceMineId":"3000292","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000292|L12420|1991-12-23|M09528|1991-12-23|146598"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14430","name":"Norlite"},"object":{"type":"mine","id":"3000292","name":"COHOES MINE AND MILL"},"validFrom":"1995-12-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000292|L14430|1995-12-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11018","name":"Tradebe Northeast LLC"},"object":{"type":"mine","id":"3000292","name":"COHOES MINE AND MILL"},"validFrom":"1995-12-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000292|M11018|1995-12-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11018","name":"Tradebe Northeast LLC"},"object":{"type":"operator","id":"L14430","name":"Norlite"},"validFrom":"1995-12-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3000292","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000292|L14430|1995-12-01|M11018|1995-12-01|150524"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3000292","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"}}