{"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":"3608905","name":"Shimer Quarry"},"operator":{"type":"operator","id":"0092905","name":"Joe Squid Inc"},"controller":{"type":"controller","id":"0078073","name":"Joe E  Calamari"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051005","name":"Ed Merritt"},"object":{"type":"mine","id":"3608905","name":"Shimer Quarry"},"validFrom":"2001-02-15","validTo":"2003-08-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608905|0051005|2001-02-15|2003-08-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041361","name":"Ed  Merritt"},"object":{"type":"mine","id":"3608905","name":"Shimer Quarry"},"validFrom":"2001-02-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608905|0041361|2001-02-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041361","name":"Ed  Merritt"},"object":{"type":"operator","id":"0051005","name":"Ed Merritt"},"validFrom":"2001-02-15","validTo":"2003-08-10","current":false,"derived":true,"evidenceMineId":"3608905","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608905|0051005|2001-02-15|0041361|2001-02-15|2467"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051732","name":"RPM 1 & 2 Stone Co."},"object":{"type":"mine","id":"3608905","name":"Shimer Quarry"},"validFrom":"2003-08-11","validTo":"2005-07-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608905|0051732|2003-08-11|2005-07-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042367","name":"Rodney P  Martin"},"object":{"type":"mine","id":"3608905","name":"Shimer Quarry"},"validFrom":"2003-08-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608905|0042367|2003-08-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042367","name":"Rodney P  Martin"},"object":{"type":"operator","id":"0051732","name":"RPM 1 & 2 Stone Co."},"validFrom":"2003-08-11","validTo":"2005-07-28","current":false,"derived":true,"evidenceMineId":"3608905","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608905|0051732|2003-08-11|0042367|2003-08-11|3900"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0062483","name":"R and E Quarry"},"object":{"type":"mine","id":"3608905","name":"Shimer Quarry"},"validFrom":"2005-07-29","validTo":"2008-06-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608905|0062483|2005-07-29|2008-06-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0052209","name":"Enos E  Yoder et al"},"object":{"type":"mine","id":"3608905","name":"Shimer Quarry"},"validFrom":"2005-07-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608905|0052209|2005-07-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0052209","name":"Enos E  Yoder et al"},"object":{"type":"operator","id":"0062483","name":"R and E Quarry"},"validFrom":"2005-07-29","validTo":"2008-06-25","current":false,"derived":true,"evidenceMineId":"3608905","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608905|0062483|2005-07-29|0052209|2005-07-29|6602"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0052209","name":"Raymond  Mast et al"},"object":{"type":"operator","id":"0062483","name":"R and E Quarry"},"validFrom":"2005-07-29","validTo":"2008-06-25","current":false,"derived":true,"evidenceMineId":"3608905","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608905|0062483|2005-07-29|0052209|2005-07-29|6603"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0092905","name":"Joe Squid Inc"},"object":{"type":"mine","id":"3608905","name":"Shimer Quarry"},"validFrom":"2008-06-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608905|0092905|2008-06-26|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0078073","name":"Joe E  Calamari"},"object":{"type":"mine","id":"3608905","name":"Shimer Quarry"},"validFrom":"2008-06-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608905|0078073|2008-06-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0078073","name":"Joe E  Calamari"},"object":{"type":"operator","id":"0092905","name":"Joe Squid Inc"},"validFrom":"2008-06-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608905","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608905|0092905|2008-06-26|0078073|2008-06-26|12296"}}],"coverage":{"historyRecords":5,"edgeCount":13,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3608905","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"}}