{"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":"4200066","name":"Clay Pits"},"operator":{"type":"operator","id":"0154913","name":"RAM-X  Inc."},"controller":{"type":"controller","id":"0138041","name":"Roger R Peck; Melissa A Peck"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00990","name":"Thomas J Peck & Sons Inc"},"object":{"type":"mine","id":"4200066","name":"Clay Pits"},"validFrom":"1950-01-01","validTo":"1986-11-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200066|L00990|1950-01-01|1986-11-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00850","name":"Anthony T Peck"},"object":{"type":"mine","id":"4200066","name":"Clay Pits"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200066|M00850|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00850","name":"Anthony T Peck"},"object":{"type":"operator","id":"L00990","name":"Thomas J Peck & Sons Inc"},"validFrom":"1950-01-01","validTo":"1986-11-10","current":false,"derived":true,"evidenceMineId":"4200066","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200066|L00990|1950-01-01|M00850|1950-01-01|115340"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07060","name":"Harvey  Cahoon"},"object":{"type":"mine","id":"4200066","name":"Clay Pits"},"validFrom":"1986-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200066|M07060|1986-11-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L08941","name":"Interstate Brick Company"},"object":{"type":"mine","id":"4200066","name":"Clay Pits"},"validFrom":"1986-11-11","validTo":"2001-06-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200066|L08941|1986-11-11|2001-06-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07060","name":"Harvey  Cahoon"},"object":{"type":"operator","id":"L08941","name":"Interstate Brick Company"},"validFrom":"1986-11-11","validTo":"2001-06-30","current":false,"derived":true,"evidenceMineId":"4200066","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200066|L08941|1986-11-11|M07060|1986-11-01|139997"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00990","name":"Thomas J Peck & Sons Inc"},"object":{"type":"mine","id":"4200066","name":"Clay Pits"},"validFrom":"2001-07-01","validTo":"2017-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200066|L00990|2001-07-01|2017-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00850","name":"Anthony T Peck"},"object":{"type":"operator","id":"L00990","name":"Thomas J Peck & Sons Inc"},"validFrom":"2001-07-01","validTo":"2017-12-31","current":false,"derived":true,"evidenceMineId":"4200066","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200066|L00990|2001-07-01|M00850|1950-01-01|115341"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0154913","name":"RAM-X  Inc."},"object":{"type":"mine","id":"4200066","name":"Clay Pits"},"validFrom":"2018-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200066|0154913|2018-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0138041","name":"Roger R Peck et al"},"object":{"type":"mine","id":"4200066","name":"Clay Pits"},"validFrom":"2018-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200066|0138041|2018-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0138041","name":"Roger R Peck et al"},"object":{"type":"operator","id":"0154913","name":"RAM-X  Inc."},"validFrom":"2018-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4200066","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200066|0154913|2018-01-01|0138041|2018-01-01|27910"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0138041","name":"Melissa A Peck et al"},"object":{"type":"operator","id":"0154913","name":"RAM-X  Inc."},"validFrom":"2018-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4200066","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200066|0154913|2018-01-01|0138041|2018-01-01|27911"}}],"coverage":{"historyRecords":5,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4200066","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"}}