{"citations":{"source_mix":{"company_owned":17,"independent":24,"unclear":0},"sources_referenced_by_questions":0,"support_mix":{"direct":39,"partial":1},"total_sources":41,"unique_domain_count":23},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best Stairlifts for Curved Stairs","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","deepseek","google","kimi","openai","perplexity"],"predicate":"final_consensus_rank","qualifier":"Curved & Multi-Landing Staircases","subject":"Stannah Curved Stairlift","unit":"rank","value":4},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","deepseek","google","kimi","openai","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Stannah Curved Stairlift","unit":"platforms","value":6},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-26","platform_support":["openai","anthropic","grok","google"],"predicate":"fit_rating_count","qualifier":"strong","subject":"Stannah Curved Stairlift","unit":"platforms","value":4},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-26","platform_support":["deepseek","perplexity"],"predicate":"fit_rating_count","qualifier":"good","subject":"Stannah Curved Stairlift","unit":"platforms","value":2},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-09-26","platform_support":["kimi"],"predicate":"fit_rating_count","qualifier":"uncertain","subject":"Stannah Curved Stairlift","unit":"platforms","value":1}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":4.666666666666667,"best_rank":1,"entity_id":"entity-001","entity_type":"company","final_rank":4,"name":"Stannah Curved Stairlift","platform_mentions":6,"platform_share":0.8571428571428571}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/stairlifts/curved-multi-landing-staircases/stannah-curved-stairlift.json","page_url":"https://aginginplaceindex.com/stairlifts/curved-multi-landing-staircases/stannah-curved-stairlift","report_type":"fit_review","study_id":"AIPI-STUDY-9A94F93AE91D","title":"Stannah Curved Stairlift Review for Curved Stairs"},"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":"2026-09-26 10:07:20.74142+00","research_date":"2026-09-26","source_snapshot_sha256":"2d9a6f4d46fec009015c155174d237748741f0d52d3bb0691743d9b48725935c","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":22,"qualified_finalists":6,"ranking_unit":"Custom stairlift model and manufacturer"},"schema_version":4,"summary":"Stannah Curved Stairlift is a strong fit for curved and multi-landing staircases, according to the majority of the AI platforms reviewed. Six of the seven platforms named Stannah during the ranking stage, and five of those seven rated the fit \"strong\" or \"good.\" The strongest reason to consider it is the Model 260 family's made-to-measure rail, which Stannah markets for turns, intermediate landings, fanned steps, and spiral staircases . The main limitation is pricing and lead-time opacity: Stannah publishes curved starting prices that conflict across its own pages ($7,800, $10,800, and about…","target_buyer":"Homeowners with complex, spiral, or intermediate-landing staircases requiring custom rail engineering","topic":{"base_category":"Stairlifts","category_criteria":["Custom rail measurement precision","ride smoothness","turn radius fit","park/charge point customization","lead time","total installed cost"],"geography":"United States","slug":"best-stairlifts-for-curved-stairs","title":"Best Stairlifts for Curved Stairs","use_case":"Curved & Multi-Landing Staircases"}}