{"public_id":"cl_1b950a1e20a9dc4b4d19c8e36019a6ff","status":"active","superseded_by_public_id":null,"corpus_id":23178788,"text":"The most common staining techniques have distinct advantages and disadvantages for identifying natural organic materials in artistic samples.","confidence":0.92,"paper":{"corpus_id":23178788,"title":"Cross-Section and Staining-Based Techniques for Investigating Organic Materials in Painted and Polychrome Works of Art: A Review","url":"https://sah.borca.ai/papers/23178788"},"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":0.92,"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_bd4b21422f47ef1c92b8b0d8182cb8d4","name":"staining techniques","description":"Analytical procedures that apply dyes or reagents to reveal specific components in a sample.","types":["method"],"url":"https://sah.borca.ai/concepts/co_bd4b21422f47ef1c92b8b0d8182cb8d4"},{"public_id":"co_df7ea14b8495aecc2b66e8f583bdbb7b","name":"natural organic materials","description":"Organic substances of natural origin found in painted and polychrome artworks, including binders and varnishes.","types":["material"],"url":"https://sah.borca.ai/concepts/co_df7ea14b8495aecc2b66e8f583bdbb7b"},{"public_id":"co_e0b926f6799dfa46893d23dd135e5375","name":"painted and polychrome artworks","description":"Artworks that contain painted layers and multiple colors or materials, including polychrome objects.","types":["artwork"],"url":"https://sah.borca.ai/concepts/co_e0b926f6799dfa46893d23dd135e5375"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_1b950a1e20a9dc4b4d19c8e36019a6ff"}