{"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":"4703777","name":"Crusher#6"},"operator":{"type":"operator","id":"L11587","name":"Haas Sons Inc."},"controller":{"type":"controller","id":"M06304","name":"Steven  Haas; Gary  Haas"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06304","name":"Gary  Haas et al"},"object":{"type":"mine","id":"4703777","name":"Crusher#6"},"validFrom":"1985-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703777|M06304|1985-08-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042957","name":"Donald J  Antczak"},"object":{"type":"mine","id":"4703777","name":"Crusher#6"},"validFrom":"2004-03-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703777|0042957|2004-03-29|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0052177","name":"Antczak Construction Inc"},"object":{"type":"mine","id":"4703777","name":"Crusher#6"},"validFrom":"2016-04-19","validTo":"2018-03-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703777|0052177|2016-04-19|2018-03-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042957","name":"Donald J  Antczak"},"object":{"type":"operator","id":"0052177","name":"Antczak Construction Inc"},"validFrom":"2016-04-19","validTo":"2018-03-04","current":false,"derived":true,"evidenceMineId":"4703777","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703777|0052177|2016-04-19|0042957|2004-03-29|4385"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0155713","name":"Antczak Aggregate Producers LLC"},"object":{"type":"mine","id":"4703777","name":"Crusher#6"},"validFrom":"2018-03-05","validTo":"2025-02-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703777|0155713|2018-03-05|2025-02-20"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0139101","name":"Jeff  Antczak"},"object":{"type":"mine","id":"4703777","name":"Crusher#6"},"validFrom":"2018-03-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703777|0139101|2018-03-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0139101","name":"Jeff  Antczak"},"object":{"type":"operator","id":"0155713","name":"Antczak Aggregate Producers LLC"},"validFrom":"2018-03-05","validTo":"2025-02-20","current":false,"derived":true,"evidenceMineId":"4703777","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703777|0155713|2018-03-05|0139101|2018-03-05|28185"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11587","name":"Haas Sons Inc."},"object":{"type":"mine","id":"4703777","name":"Crusher#6"},"validFrom":"2025-02-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703777|L11587|2025-02-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06304","name":"Gary  Haas et al"},"object":{"type":"operator","id":"L11587","name":"Haas Sons Inc."},"validFrom":"2025-02-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703777","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703777|L11587|2025-02-21|M06304|1985-08-01|138179"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06304","name":"Steven  Haas et al"},"object":{"type":"operator","id":"L11587","name":"Haas Sons Inc."},"validFrom":"2025-02-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703777","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703777|L11587|2025-02-21|M06304|1985-08-01|138180"}}],"coverage":{"historyRecords":4,"edgeCount":10,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4703777","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"}}