{"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":"5400141","name":"CANTERA GREEN"},"operator":{"type":"operator","id":"L12338","name":"Cantera Green"},"controller":{"type":"controller","id":"M09472","name":"Adriel Colon  Colon"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10464","name":"Arco Stone Corp"},"object":{"type":"mine","id":"5400141","name":"CANTERA GREEN"},"validFrom":"1950-01-01","validTo":"1988-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5400141|L10464|1950-01-01|1988-05-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08154","name":"Ramon Rodriguez  Torres"},"object":{"type":"mine","id":"5400141","name":"CANTERA GREEN"},"validFrom":"1950-01-01","validTo":"1988-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5400141|M08154|1950-01-01|1988-05-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08154","name":"Ramon Rodriguez  Torres"},"object":{"type":"operator","id":"L10464","name":"Arco Stone Corp"},"validFrom":"1950-01-01","validTo":"1988-05-31","current":false,"derived":true,"evidenceMineId":"5400141","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5400141|L10464|1950-01-01|M08154|1950-01-01|142800"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10465","name":"Cantera Green"},"object":{"type":"mine","id":"5400141","name":"CANTERA GREEN"},"validFrom":"1988-06-01","validTo":"1991-10-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5400141|L10465|1988-06-01|1991-10-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08155","name":"Angel M Colon  Mora"},"object":{"type":"mine","id":"5400141","name":"CANTERA GREEN"},"validFrom":"1988-06-01","validTo":"1991-10-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5400141|M08155|1988-06-01|1991-10-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08155","name":"Angel M Colon  Mora"},"object":{"type":"operator","id":"L10465","name":"Cantera Green"},"validFrom":"1988-06-01","validTo":"1991-10-15","current":false,"derived":true,"evidenceMineId":"5400141","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5400141|L10465|1988-06-01|M08155|1988-06-01|142801"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12338","name":"Cantera Green"},"object":{"type":"mine","id":"5400141","name":"CANTERA GREEN"},"validFrom":"1991-10-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5400141|L12338|1991-10-16|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09472","name":"Adriel Colon  Colon"},"object":{"type":"mine","id":"5400141","name":"CANTERA GREEN"},"validFrom":"1991-10-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5400141|M09472|1991-10-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09472","name":"Adriel Colon  Colon"},"object":{"type":"operator","id":"L12338","name":"Cantera Green"},"validFrom":"1991-10-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"5400141","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5400141|L12338|1991-10-16|M09472|1991-10-16|146452"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"5400141","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"}}