{"public_id":"cl_7c11c5c75a1448c6e063577b898ee6ce","status":"active","superseded_by_public_id":null,"corpus_id":1244245,"text":"The only trapezoidal palindromes are Sturmian.","confidence":0.98,"paper":{"corpus_id":1244245,"title":"Rich, Sturmian, and trapezoidal words","url":"https://sah.borca.ai/papers/1244245"},"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":0.98,"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_34d022523fc31910b4b7ae9859d9560b","name":"trapezoidal words","description":"Finite words defined in terms of the trapezoidal behavior of subword complexity.","types":["word class"],"url":"https://sah.borca.ai/concepts/co_34d022523fc31910b4b7ae9859d9560b"},{"public_id":"co_689fcfeb396026fd7d98634dd1bd3c70","name":"palindromes","description":"Words that read the same forward and backward.","types":["word property"],"url":"https://sah.borca.ai/concepts/co_689fcfeb396026fd7d98634dd1bd3c70"},{"public_id":"co_6fd670627fd1886a813e3978df0a0ba5","name":"Sturmian words","description":"A class of finite or infinite words studied here in relation to palindromic and subword complexity.","types":["word class"],"url":"https://sah.borca.ai/concepts/co_6fd670627fd1886a813e3978df0a0ba5"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_7c11c5c75a1448c6e063577b898ee6ce"}