{"citations":{"source_mix":{"company_owned":13,"independent":19,"unclear":0},"sources_referenced_by_questions":0,"support_mix":{"direct":22,"partial":10},"total_sources":32,"unique_domain_count":17},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best Walk-In Tubs With Low Step-In Thresholds","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-27","platform_support":["deepseek","google","grok","perplexity"],"predicate":"final_consensus_rank","qualifier":"Ultra-Low Entry Safety","subject":"American Standard","unit":"rank","value":4},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-27","platform_support":["deepseek","google","grok","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"American Standard","unit":"platforms","value":4},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","perplexity","google"],"predicate":"fit_rating_count","qualifier":"good","subject":"American Standard","unit":"platforms","value":3},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-27","platform_support":["openai","deepseek","grok","kimi"],"predicate":"fit_rating_count","qualifier":"mixed","subject":"American Standard","unit":"platforms","value":4}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":4.5,"best_rank":2,"entity_id":"entity-001","entity_type":"company","final_rank":4,"name":"American Standard","platform_mentions":4,"platform_share":0.5714285714285714}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/walk-in-tubs/ultra-low-entry-safety/american-standard.json","page_url":"https://aginginplaceindex.com/walk-in-tubs/ultra-low-entry-safety/american-standard","report_type":"fit_review","study_id":"AIPI-STUDY-B5948C3DF962","title":"American Standard Review for Ultra-Low Entry Safety"},"limitations":["Use the run researchdate as the study date. Platform-reported dates are provenance metadata and do not independently prove freshness.","All included platforms evaluated fit, but platformmentions counts only platforms that named the entity during ranking discovery.","Do not resolve conflicting product names, pricing, or capabilities by guessing; describe the conflict and tell buyers what to verify.","The supplied URLs were collected from platform responses and were not independently validated by the writer stage.","Platform-reported research dates differ from the authoritative run date; disclose this as a methodology limitation.","The deterministic identity audit contains qualification notes that must be disclosed where relevant.","Citations are platform-reported evidence, not independently verified facts. No-search model claims require explicit verification before being described as current facts."],"methodology":{"fit_rating_contract":["strong","good","mixed","weak","uncertain"],"included_valid_platform_count":7,"maximum_finalists":10,"minimum_mentions":2,"name":"Aging in Place Index cross-platform AI consensus analysis","platforms_included":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"platforms_queried":["openai","anthropic","deepseek","grok","perplexity","kimi","google"],"stages":["ranking_discovery","fit_assessment","normalization","editorial_synthesis"],"version":"alias-table-1"},"provenance":{"generated_at":"2026-09-27 15:41:34.798627+00","research_date":"2026-09-27","source_snapshot_sha256":"be05e5051880296a53a48275d7b86ea0456f293fb6f277df745ef5159dd33e53","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":21,"qualified_finalists":7,"ranking_unit":"Walk-in tub model and manufacturer"},"schema_version":4,"summary":"American Standard is a mixed fit for Ultra-Low Entry Safety. Four of seven platforms named it during the ranking stage (57.1% of included platform responses), with an average listed rank of 4.5 and a best rank of 2. The strongest reason to consider it is a documented low-threshold door paired with a chair-height seat, built-in grab bar, textured floor, and lifetime door-seal warranty. The main limitation is decisive for this buyer: American Standard does not publish an exact step-in threshold height on the reviewed product pages, and independent sources report conflicting figures ranging…","target_buyer":"Seniors with balance issues, neuropathy, or limited leg lift who need the lowest practical tub entry height","topic":{"base_category":"Walk-in tubs","category_criteria":["Step-in threshold height","entry width","door design","grab bar placement","floor traction","seat height","leak protection","installation requirements"],"geography":"United States","slug":"best-walk-in-tubs-with-low-step-in-thresholds","title":"Best Walk-In Tubs With Low Step-In Thresholds","use_case":"Ultra-Low Entry Safety"}}