{"citations":{"source_mix":{"company_owned":15,"independent":27,"unclear":0},"sources_referenced_by_questions":0,"support_mix":{"direct":27,"partial":11},"total_sources":42,"unique_domain_count":22},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-09-24","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best Walk-In Tubs for Small Bathrooms","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-24","platform_support":["anthropic","deepseek","grok","perplexity"],"predicate":"final_consensus_rank","qualifier":"Compact Space & Small Bathrooms","subject":"Safe Step Walk-In Tub","unit":"rank","value":4},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-24","platform_support":["anthropic","deepseek","grok","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Safe Step Walk-In Tub","unit":"platforms","value":4},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-24","platform_support":["anthropic","grok","perplexity","google"],"predicate":"fit_rating_count","qualifier":"good","subject":"Safe Step Walk-In Tub","unit":"platforms","value":4},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-24","platform_support":["openai","deepseek","kimi"],"predicate":"fit_rating_count","qualifier":"mixed","subject":"Safe Step Walk-In Tub","unit":"platforms","value":3}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":5,"best_rank":4,"entity_id":"entity-001","entity_type":"company","final_rank":4,"name":"Safe Step Walk-In Tub","platform_mentions":4,"platform_share":0.5714285714285714}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/walk-in-tubs/compact-space-small-bathrooms/safe-step-walk-in-tub.json","page_url":"https://aginginplaceindex.com/walk-in-tubs/compact-space-small-bathrooms/safe-step-walk-in-tub","report_type":"fit_review","study_id":"AIPI-STUDY-F00E315ADB0D","title":"Safe Step Walk-In Tub for Compact Space & Small Bathrooms: AI Consensus Fit Review"},"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":"2026-09-24 11:04:18.555342+00","research_date":"2026-09-24","source_snapshot_sha256":"3edeca1b18be6ea7fd38b3b76ed9c466fc043836731dfe44ccdeb5cbfe194022","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":26,"qualified_finalists":10,"ranking_unit":"Walk-in tub model and manufacturer"},"schema_version":4,"summary":"Safe Step Walk-In Tub is a mixed-to-good fit for compact space and small bathrooms. Four of the seven platforms named it during ranking discovery, and it finished fourth overall with an average listed rank of 5.0. Its strongest asset is a published exterior footprint starting at roughly 47 inches long by 28 inches wide, which aligns with narrow tub alcoves, plus a low threshold and dealer-managed installation. The main limitation is verification: the exact compact configuration, door-swing clearance, seat width, interior basin dimensions, measured fill and drain times, and final installed…","target_buyer":"Homeowners or caregivers retrofitting small or narrow bathroom layouts with a safety bathing tub","topic":{"base_category":"Walk-in tubs","category_criteria":["Exterior dimensions and footprint","door swing clearance","seat width","step-in threshold height","fill and drain speed","total installed price"],"geography":"United States","slug":"best-walk-in-tubs-for-small-bathrooms","title":"Best Walk-In Tubs for Small Bathrooms","use_case":"Compact Space & Small Bathrooms"}}