{"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":"3003873","name":"DeChiaro Brothers, Inc."},"operator":{"type":"operator","id":"0134273","name":"DeChiaro Brothers, Inc."},"controller":{"type":"controller","id":"0114281","name":"Joseph  DeChiaro; Daniel  DeChiaro"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0127673","name":"Dan Jo Holdings, LLC"},"object":{"type":"mine","id":"3003873","name":"DeChiaro Brothers, Inc."},"validFrom":"2013-04-03","validTo":"2014-06-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3003873|0127673|2013-04-03|2014-06-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0088453","name":"Joseph  Dechiaro et al"},"object":{"type":"mine","id":"3003873","name":"DeChiaro Brothers, Inc."},"validFrom":"2013-04-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3003873|0088453|2013-04-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0088453","name":"Joseph  Dechiaro et al"},"object":{"type":"operator","id":"0127673","name":"Dan Jo Holdings, LLC"},"validFrom":"2013-04-03","validTo":"2014-06-30","current":false,"derived":true,"evidenceMineId":"3003873","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3003873|0127673|2013-04-03|0088453|2013-04-03|14210"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0088453","name":"Dan  Dechiaro et al"},"object":{"type":"operator","id":"0127673","name":"Dan Jo Holdings, LLC"},"validFrom":"2013-04-03","validTo":"2014-06-30","current":false,"derived":true,"evidenceMineId":"3003873","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3003873|0127673|2013-04-03|0088453|2013-04-03|14211"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0134273","name":"DeChiaro Brothers, Inc."},"object":{"type":"mine","id":"3003873","name":"DeChiaro Brothers, Inc."},"validFrom":"2014-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3003873|0134273|2014-07-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0114281","name":"Joseph  DeChiaro et al"},"object":{"type":"mine","id":"3003873","name":"DeChiaro Brothers, Inc."},"validFrom":"2014-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3003873|0114281|2014-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0114281","name":"Joseph  DeChiaro et al"},"object":{"type":"operator","id":"0134273","name":"DeChiaro Brothers, Inc."},"validFrom":"2014-07-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3003873","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3003873|0134273|2014-07-01|0114281|2014-07-01|21460"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0114281","name":"Daniel  DeChiaro et al"},"object":{"type":"operator","id":"0134273","name":"DeChiaro Brothers, Inc."},"validFrom":"2014-07-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3003873","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3003873|0134273|2014-07-01|0114281|2014-07-01|21461"}}],"coverage":{"historyRecords":4,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3003873","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"}}