{"citations":{"source_mix":{"company_owned":39,"independent":9,"unclear":0},"sources_referenced_by_questions":0,"support_mix":{"direct":38,"partial":10},"total_sources":48,"unique_domain_count":12},"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 Quick Installation","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","grok","kimi"],"predicate":"final_consensus_rank","qualifier":"Fast Bathroom Retrofit","subject":"Ella's Bubbles","unit":"rank","value":4},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","grok","kimi"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Ella's Bubbles","unit":"platforms","value":4},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic"],"predicate":"fit_rating_count","qualifier":"good","subject":"Ella's Bubbles","unit":"platforms","value":1},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-27","platform_support":["openai","deepseek","grok","perplexity","kimi","google"],"predicate":"fit_rating_count","qualifier":"mixed","subject":"Ella's Bubbles","unit":"platforms","value":6}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":4.75,"best_rank":4,"entity_id":"entity-001","entity_type":"company","final_rank":4,"name":"Ella's Bubbles","platform_mentions":4,"platform_share":0.5714285714285714}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/walk-in-tubs/fast-bathroom-retrofit/ella-s-bubbles.json","page_url":"https://aginginplaceindex.com/walk-in-tubs/fast-bathroom-retrofit/ella-s-bubbles","report_type":"fit_review","study_id":"AIPI-STUDY-B30780BBE290","title":"Ella's Bubbles Review for Fast Bathroom Retrofit"},"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.","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 19:00:54.523115+00","research_date":"2026-09-27","source_snapshot_sha256":"a9efe3575e8eeb467870920a213c9509352f4ddfe37dfa8f69cac35596cb7223","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":19,"qualified_finalists":9,"ranking_unit":"Walk-in tub model and installation provider"},"schema_version":4,"summary":"Ella's Bubbles is a mixed fit for a Fast Bathroom Retrofit. Four of the seven platforms in this study named it during ranking discovery, and its strongest case rests on retrofit-friendly hardware: the Ultra 30x52's near-standard footprint, inward-swing door, removable magnetic access panels, and dual 2-inch gravity drains (, , anthropic:ellasultrapage). The main limitation is that Ella's Bubbles does not install the tub. Local licensed plumbers and electricians set the schedule, price, permits, and cleanup, so no guaranteed installation timeline or all-in installed price exists . It becomes…","target_buyer":"Homeowners who want a safe bathing upgrade with minimal remodeling disruption, predictable installation timelines, and professional quote support","topic":{"base_category":"Walk-in tubs","category_criteria":["Installation timeline","same-footprint replacement fit","contractor network quality","plumbing/electrical requirements","permit support","cleanup process","quote transparency","warranty terms"],"geography":"United States","slug":"best-walk-in-tubs-with-quick-installation","title":"Best Walk-In Tubs With Quick Installation","use_case":"Fast Bathroom Retrofit"}}