{"public_id":"cl_d3ccc261a1b8de9fef3ad63443da5818","status":"active","superseded_by_public_id":null,"corpus_id":138080945,"text":"The comparatively low volumetric fraction of slag inclusions in the Ipanema samples, about 1%, suggests technological expertise in the ironmaking process at the Royal Iron Factory of São João de Ipanema.","confidence":0.9,"paper":{"corpus_id":138080945,"title":"Investigating the Provenance of Iron Artifacts of the Royal Iron Factory of São João de Ipanema by Hierarchical Cluster Analysis of EDS Microanalyses of Slag Inclusions","url":"https://sah.borca.ai/papers/138080945"},"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.9,"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","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_48f7deb7e9f4a09ec6a74e4bbe37e567","name":"technological expertise","description":"Manufacturing skill or process proficiency inferred from the microstructural evidence.","types":["interpretation"],"url":"https://sah.borca.ai/concepts/co_48f7deb7e9f4a09ec6a74e4bbe37e567"},{"public_id":"co_858fbf6dbe398279fc869ae4b1c87bbe","name":"Royal Iron Factory of São João de Ipanema","description":"A nineteenth-century Brazilian iron factory whose artifacts were analyzed for provenance.","types":["archaeological site","industrial site"],"url":"https://sah.borca.ai/concepts/co_858fbf6dbe398279fc869ae4b1c87bbe"},{"public_id":"co_8988a25d78000fb74ed5d7f32230b24d","name":"slag inclusions","description":"Non-metallic inclusions of slag embedded in the microstructure of ferrous artifacts.","types":["microstructural feature"],"url":"https://sah.borca.ai/concepts/co_8988a25d78000fb74ed5d7f32230b24d"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_d3ccc261a1b8de9fef3ad63443da5818"}