{"citations":{"source_mix":{"company_owned":13,"independent":31,"unclear":10},"sources_referenced_by_questions":0,"support_mix":{"direct":25,"partial":8},"total_sources":54,"unique_domain_count":27},"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":["deepseek","google","grok","openai","perplexity"],"predicate":"final_consensus_rank","qualifier":"Compact Space & Small Bathrooms","subject":"American Standard 2848","unit":"rank","value":2},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-24","platform_support":["deepseek","google","grok","openai","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"American Standard 2848","unit":"platforms","value":5},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-24","platform_support":["grok"],"predicate":"fit_rating_count","qualifier":"strong","subject":"American Standard 2848","unit":"platforms","value":1},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-24","platform_support":["openai","anthropic","perplexity","google"],"predicate":"fit_rating_count","qualifier":"good","subject":"American Standard 2848","unit":"platforms","value":4},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-09-24","platform_support":["deepseek","kimi"],"predicate":"fit_rating_count","qualifier":"mixed","subject":"American Standard 2848","unit":"platforms","value":2}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":3.4,"best_rank":1,"entity_id":"entity-001","entity_type":"company","final_rank":2,"name":"American Standard 2848","platform_mentions":5,"platform_share":0.7142857142857143}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/walk-in-tubs/compact-space-small-bathrooms/american-standard-2848.json","page_url":"https://aginginplaceindex.com/walk-in-tubs/compact-space-small-bathrooms/american-standard-2848","report_type":"fit_review","study_id":"AIPI-STUDY-20DD02DB367A","title":"American Standard 2848 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 10:58:49.339372+00","research_date":"2026-09-24","source_snapshot_sha256":"b08058223ac4ddf43497a765937693b852f09efa1734ce7c31edc894fd522ad7","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":26,"qualified_finalists":10,"ranking_unit":"Walk-in tub model and manufacturer"},"schema_version":4,"summary":"The American Standard 2848 is a good fit for many compact-bathroom retrofits, but not a verified best choice for every narrow layout. Five of seven platforms named it during the ranking stage, and fit ratings ranged from strong to mixed. Its strongest case is the roughly 28 x 48-inch footprint — materially smaller than common 30 x 52-inch or 32 x 60-inch walk-in tubs — combined with a chair-height seat, low-threshold door, grab bar, and Quick Drain. The main limitation is that door-swing clearance, exact threshold height, usable seat width, fill time, and installed pricing are inconsistently…","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"}}