{"citations":{"source_mix":{"company_owned":31,"independent":19,"unclear":0},"sources_referenced_by_questions":0,"support_mix":{"direct":38,"partial":11},"total_sources":50,"unique_domain_count":19},"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 Luxury Walk-In Tubs","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","perplexity"],"predicate":"final_consensus_rank","qualifier":"Premium Spa & Comfort Features","subject":"Kohler Walk-In Bath","unit":"rank","value":3},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Kohler Walk-In Bath","unit":"platforms","value":4},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-27","platform_support":["grok","kimi","google"],"predicate":"fit_rating_count","qualifier":"strong","subject":"Kohler Walk-In Bath","unit":"platforms","value":3},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-27","platform_support":["openai","anthropic","perplexity"],"predicate":"fit_rating_count","qualifier":"good","subject":"Kohler Walk-In Bath","unit":"platforms","value":3},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-09-27","platform_support":["deepseek"],"predicate":"fit_rating_count","qualifier":"mixed","subject":"Kohler Walk-In Bath","unit":"platforms","value":1}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":1.75,"best_rank":1,"entity_id":"entity-001","entity_type":"company","final_rank":3,"name":"Kohler Walk-In Bath","platform_mentions":4,"platform_share":0.5714285714285714}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/walk-in-tubs/premium-spa-comfort-features/kohler-walk-in-bath.json","page_url":"https://aginginplaceindex.com/walk-in-tubs/premium-spa-comfort-features/kohler-walk-in-bath","report_type":"fit_review","study_id":"AIPI-STUDY-9D8F2826FD26","title":"Kohler Walk-In Bath Review for Premium Spa & Comfort Features"},"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.","Company-owned citations materially outnumber independent citations; do not describe company claims as independently verified.","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 20:32:26.197903+00","research_date":"2026-09-27","source_snapshot_sha256":"4e9794c0f33b3f419a94ab5240df9153d1ce637f228884b2cc8722557d9cc2a4","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":23,"qualified_finalists":6,"ranking_unit":"Luxury walk-in tub model and manufacturer"},"schema_version":4,"summary":"Kohler Walk-In Bath is a good fit for Premium Spa & Comfort Features, but not a unanimous one. Four of the seven platforms in this study named it during the ranking stage, and fit ratings split across strong, good, and mixed. The strongest reason to consider it is the combination of BubbleMassage air jets, whirlpool hydrotherapy, a Bask heated backrest, and LuxStone engineered-stone wall finishes backed by a published Lifetime Limited Warranty. The main limitation is verification: the frequently cited Elevance 60\" x 32\" model K-31205 configuration, chromotherapy, aromatherapy, and vibratory…","target_buyer":"Homeowners willing to pay more for premium therapy features, high-end fixtures, comfort upgrades, and a polished bathroom finish","topic":{"base_category":"Walk-in tubs","category_criteria":["Hydrotherapy and air jet combination","chromotherapy","aromatherapy","premium fixtures","heated surfaces","design finish options","warranty coverage","installed price"],"geography":"United States","slug":"best-luxury-walk-in-tubs","title":"Best Luxury Walk-In Tubs","use_case":"Premium Spa & Comfort Features"}}