{"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":"1900557","name":"FALMOUTH PLANT"},"operator":{"type":"operator","id":"L06115","name":"Cape Cod Aggregates Corp"},"controller":{"type":"controller","id":"M00095","name":"S M Lorusso & Sons Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01673","name":"Hyannis Sand & Gravel Inc"},"object":{"type":"mine","id":"1900557","name":"FALMOUTH PLANT"},"validFrom":"1950-01-01","validTo":"1987-03-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900557|L01673|1950-01-01|1987-03-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01500","name":"Paul  Lorusso"},"object":{"type":"mine","id":"1900557","name":"FALMOUTH PLANT"},"validFrom":"1950-01-01","validTo":"1987-03-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900557|M01500|1950-01-01|1987-03-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01500","name":"Paul  Lorusso"},"object":{"type":"operator","id":"L01673","name":"Hyannis Sand & Gravel Inc"},"validFrom":"1950-01-01","validTo":"1987-03-24","current":false,"derived":true,"evidenceMineId":"1900557","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900557|L01673|1950-01-01|M01500|1950-01-01|118911"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00095","name":"S M Lorusso & Sons Inc"},"object":{"type":"mine","id":"1900557","name":"FALMOUTH PLANT"},"validFrom":"1983-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900557|M00095|1983-03-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00095","name":"S M Lorusso & Sons Inc"},"object":{"type":"mine","id":"1900557","name":"FALMOUTH PLANT"},"validFrom":"1987-03-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900557|M00095|1987-03-24|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16277","name":"Hyannis Sand & Gravel"},"object":{"type":"mine","id":"1900557","name":"FALMOUTH PLANT"},"validFrom":"1987-03-25","validTo":"2005-06-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900557|L16277|1987-03-25|2005-06-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00095","name":"S M Lorusso & Sons Inc"},"object":{"type":"operator","id":"L16277","name":"Hyannis Sand & Gravel"},"validFrom":"1987-03-25","validTo":"2005-06-28","current":false,"derived":true,"evidenceMineId":"1900557","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900557|L16277|1987-03-25|M00095|1987-03-24|104081"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06115","name":"Cape Cod Aggregates Corp"},"object":{"type":"mine","id":"1900557","name":"FALMOUTH PLANT"},"validFrom":"2005-06-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900557|L06115|2005-06-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00095","name":"S M Lorusso & Sons Inc"},"object":{"type":"operator","id":"L06115","name":"Cape Cod Aggregates Corp"},"validFrom":"2005-06-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"1900557","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1900557|L06115|2005-06-29|M00095|1983-03-01|104075"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1900557","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"}}