{"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":"4104473","name":"Arnold Stone Products - Tolar Plant"},"operator":{"type":"operator","id":"0161893","name":"Arnold Stone Products"},"controller":{"type":"controller","id":"0059349","name":"Michael D  Arnold"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0059349","name":"Michael D  Arnold"},"object":{"type":"mine","id":"4104473","name":"Arnold Stone Products - Tolar Plant"},"validFrom":"2003-03-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104473|0059349|2003-03-06|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051150","name":"Arnold Stone Inc"},"object":{"type":"mine","id":"4104473","name":"Arnold Stone Products - Tolar Plant"},"validFrom":"2004-05-12","validTo":"2016-04-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104473|0051150|2004-05-12|2016-04-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0059349","name":"Michael D  Arnold"},"object":{"type":"operator","id":"0051150","name":"Arnold Stone Inc"},"validFrom":"2004-05-12","validTo":"2016-04-14","current":false,"derived":true,"evidenceMineId":"4104473","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104473|0051150|2004-05-12|0059349|2003-03-06|7885"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0145153","name":"Texas Construction Aggregates"},"object":{"type":"mine","id":"4104473","name":"Arnold Stone Products - Tolar Plant"},"validFrom":"2016-04-15","validTo":"2021-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104473|0145153|2016-04-15|2021-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0125181","name":"Tolar Agg, LLC et al"},"object":{"type":"mine","id":"4104473","name":"Arnold Stone Products - Tolar Plant"},"validFrom":"2016-04-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104473|0125181|2016-04-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0125181","name":"Tolar Agg, LLC et al"},"object":{"type":"operator","id":"0145153","name":"Texas Construction Aggregates"},"validFrom":"2016-04-15","validTo":"2021-12-31","current":false,"derived":true,"evidenceMineId":"4104473","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104473|0145153|2016-04-15|0125181|2016-04-15|24279"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0125181","name":"Michael D Arnold et al"},"object":{"type":"operator","id":"0145153","name":"Texas Construction Aggregates"},"validFrom":"2016-04-15","validTo":"2021-12-31","current":false,"derived":true,"evidenceMineId":"4104473","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104473|0145153|2016-04-15|0125181|2016-04-15|24280"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0146021","name":"Ashok E  Kolady"},"object":{"type":"mine","id":"4104473","name":"Arnold Stone Products - Tolar Plant"},"validFrom":"2018-11-05","validTo":"2020-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104473|0146021|2018-11-05|2020-03-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0059349","name":"Michael D  Arnold"},"object":{"type":"mine","id":"4104473","name":"Arnold Stone Products - Tolar Plant"},"validFrom":"2020-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104473|0059349|2020-04-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0161893","name":"Arnold Stone Products"},"object":{"type":"mine","id":"4104473","name":"Arnold Stone Products - Tolar Plant"},"validFrom":"2022-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104473|0161893|2022-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0059349","name":"Michael D  Arnold"},"object":{"type":"operator","id":"0161893","name":"Arnold Stone Products"},"validFrom":"2022-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4104473","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104473|0161893|2022-01-01|0059349|2020-04-01|7890"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0146021","name":"Ashok E  Kolady"},"object":{"type":"operator","id":"0161893","name":"Arnold Stone Products"},"validFrom":"2022-01-01","validTo":"2020-03-31","current":false,"derived":true,"evidenceMineId":"4104473","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104473|0161893|2022-01-01|0146021|2018-11-05|29907"}}],"coverage":{"historyRecords":5,"edgeCount":12,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4104473","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"}}