{"public_id":"co_af74b15f87c6c59b0868d7bac8427da0","status":"active","merged_into_public_id":null,"resolved_public_id":"co_af74b15f87c6c59b0868d7bac8427da0","name":"useful charts","description":"Prepared charts derived to support rapid frequency determination.","aliases":["charts"],"types":["resource"],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"concept","status":"active","confidence":null,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","concept.status"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"papers":[{"corpus_id":110770231,"title":"An Analytical Study of Drill-String Vibration","citation_count":121,"url":"https://sah.borca.ai/papers/110770231"}],"claims":[{"public_id":"cl_1fd8f7cdcbbb2f39783a30864c233395","text":"Useful charts and a graphical solution method are developed to obtain the natural frequencies quickly and easily.","corpus_id":110770231,"url":"https://sah.borca.ai/claims/cl_1fd8f7cdcbbb2f39783a30864c233395"}],"related_concepts":[],"resolved_url":"https://sah.borca.ai/concepts/co_af74b15f87c6c59b0868d7bac8427da0","url":"https://sah.borca.ai/concepts/co_af74b15f87c6c59b0868d7bac8427da0"}