{"citations":{"source_mix":{"company_owned":16,"independent":22,"unclear":6},"sources_referenced_by_questions":0,"support_mix":{"direct":29,"partial":15},"total_sources":44,"unique_domain_count":33},"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","grok","kimi","openai","perplexity"],"predicate":"final_consensus_rank","qualifier":"Curved & Multi-Landing Staircases","subject":"Handicare Freecurve Curved Stairlift","unit":"rank","value":1},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Handicare Freecurve Curved Stairlift","unit":"platforms","value":7},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-26","platform_support":["openai","anthropic","grok","google"],"predicate":"fit_rating_count","qualifier":"strong","subject":"Handicare Freecurve Curved Stairlift","unit":"platforms","value":4},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-26","platform_support":["deepseek","perplexity","kimi"],"predicate":"fit_rating_count","qualifier":"good","subject":"Handicare Freecurve Curved Stairlift","unit":"platforms","value":3}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":2.4285714285714284,"best_rank":1,"entity_id":"entity-001","entity_type":"company","final_rank":1,"name":"Handicare Freecurve Curved Stairlift","platform_mentions":7,"platform_share":1}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/stairlifts/curved-multi-landing-staircases/handicare-freecurve-curved-stairlift.json","page_url":"https://aginginplaceindex.com/stairlifts/curved-multi-landing-staircases/handicare-freecurve-curved-stairlift","report_type":"fit_review","study_id":"AIPI-STUDY-AB19AF8F14F4","title":"Handicare Freecurve 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 10:03:19.06743+00","research_date":"2026-09-26","source_snapshot_sha256":"1c0f0c84fcfb620f7db550dbb192b18d0d5ad89b77875de5c39ff8501deab6e3","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":22,"qualified_finalists":6,"ranking_unit":"Custom stairlift model and manufacturer"},"schema_version":4,"summary":"The Handicare Freecurve Curved Stairlift is a strong fit for homeowners with complex, spiral, narrow, or multi-landing indoor staircases, provided a capable local dealer confirms the geometry, weight, and written installed price. All 7 platforms named it during the ranking stage (100% of included platform responses), with an average listed rank of 2.43 and a best rank of 1. Its strongest advantage is a custom-fabricated single-tube rail measured with the PS4D photo system, which suits tight turns and intermediate landings. The main limitation is that pricing, lead time, warranty, and…","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"}}