{"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":"2026-10-18T09:31:49.615908+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":"3002595","name":"Tim Hubbard Gravel Supply"},"operator":{"type":"operator","id":"0162473","name":"Tim Hubbard Gravel Supply"},"controller":{"type":"controller","id":"0146601","name":"Timothy  Hubbard"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L39222","name":"Town Of Avoca"},"object":{"type":"mine","id":"3002595","name":"Tim Hubbard Gravel Supply"},"validFrom":"1981-06-01","validTo":"1996-03-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3002595|L39222|1981-06-01|1996-03-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M39222","name":"Town Of Avoca-NY"},"object":{"type":"mine","id":"3002595","name":"Tim Hubbard Gravel Supply"},"validFrom":"1981-06-01","validTo":"1996-03-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3002595|M39222|1981-06-01|1996-03-27"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M39222","name":"Town Of Avoca-NY"},"object":{"type":"operator","id":"L39222","name":"Town Of Avoca"},"validFrom":"1981-06-01","validTo":"1996-03-27","current":false,"derived":true,"evidenceMineId":"3002595","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3002595|L39222|1981-06-01|M39222|1981-06-01|168790"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14489","name":"Hubbard Farm's"},"object":{"type":"mine","id":"3002595","name":"Tim Hubbard Gravel Supply"},"validFrom":"1996-03-28","validTo":"2005-11-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3002595|L14489|1996-03-28|2005-11-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11058","name":"Hubbard David Sr"},"object":{"type":"mine","id":"3002595","name":"Tim Hubbard Gravel Supply"},"validFrom":"1996-03-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3002595|M11058|1996-03-28|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11058","name":"Hubbard David Sr"},"object":{"type":"operator","id":"L14489","name":"Hubbard Farm's"},"validFrom":"1996-03-28","validTo":"2005-11-14","current":false,"derived":true,"evidenceMineId":"3002595","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3002595|L14489|1996-03-28|M11058|1996-03-28|150662"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0066144","name":"Hub Boy Gravel"},"object":{"type":"mine","id":"3002595","name":"Tim Hubbard Gravel Supply"},"validFrom":"2005-11-15","validTo":"2019-03-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3002595|0066144|2005-11-15|2019-03-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0055491","name":"Gretchen N  Hubbard et al"},"object":{"type":"mine","id":"3002595","name":"Tim Hubbard Gravel Supply"},"validFrom":"2005-11-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3002595|0055491|2005-11-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0055491","name":"Gretchen N  Hubbard et al"},"object":{"type":"operator","id":"0066144","name":"Hub Boy Gravel"},"validFrom":"2005-11-15","validTo":"2019-03-27","current":false,"derived":true,"evidenceMineId":"3002595","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3002595|0066144|2005-11-15|0055491|2005-11-15|7166"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0055491","name":"David J  Hubbard et al"},"object":{"type":"operator","id":"0066144","name":"Hub Boy Gravel"},"validFrom":"2005-11-15","validTo":"2019-03-27","current":false,"derived":true,"evidenceMineId":"3002595","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3002595|0066144|2005-11-15|0055491|2005-11-15|7167"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0162473","name":"Tim Hubbard Gravel Supply"},"object":{"type":"mine","id":"3002595","name":"Tim Hubbard Gravel Supply"},"validFrom":"2019-03-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3002595|0162473|2019-03-28|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0146601","name":"Timothy  Hubbard"},"object":{"type":"mine","id":"3002595","name":"Tim Hubbard Gravel Supply"},"validFrom":"2019-03-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3002595|0146601|2019-03-28|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0146601","name":"Timothy  Hubbard"},"object":{"type":"operator","id":"0162473","name":"Tim Hubbard Gravel Supply"},"validFrom":"2019-03-28","validTo":null,"current":true,"derived":true,"evidenceMineId":"3002595","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3002595|0162473|2019-03-28|0146601|2019-03-28|30020"}}],"coverage":{"historyRecords":5,"edgeCount":13,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3002595","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}