{"citations":{"source_mix":{"company_owned":26,"independent":8,"unclear":0},"sources_referenced_by_questions":0,"support_mix":{"direct":24,"partial":10},"total_sources":34,"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 Stairlifts for Basement Stairs","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-27","platform_support":["deepseek","openai","perplexity"],"predicate":"final_consensus_rank","qualifier":"Basement Access & Utility Stairs","subject":"Savaria Curved Stairlift Custom Install","unit":"rank","value":5},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-27","platform_support":["deepseek","openai","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Savaria Curved Stairlift Custom Install","unit":"platforms","value":3},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-27","platform_support":["openai","anthropic","deepseek","perplexity","google"],"predicate":"fit_rating_count","qualifier":"good","subject":"Savaria Curved Stairlift Custom Install","unit":"platforms","value":5},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-27","platform_support":["grok","kimi"],"predicate":"fit_rating_count","qualifier":"mixed","subject":"Savaria Curved Stairlift Custom Install","unit":"platforms","value":2}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":3,"best_rank":1,"entity_id":"entity-001","entity_type":"company","final_rank":5,"name":"Savaria Curved Stairlift Custom Install","platform_mentions":3,"platform_share":0.42857142857142855}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/stairlifts/basement-access-utility-stairs/savaria-curved-stairlift-custom-install.json","page_url":"https://aginginplaceindex.com/stairlifts/basement-access-utility-stairs/savaria-curved-stairlift-custom-install","report_type":"fit_review","study_id":"AIPI-STUDY-B766B835F95E","title":"Savaria Curved Stairlift Custom Install Review for Basement 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.","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 20:47:16.68682+00","research_date":"2026-09-27","source_snapshot_sha256":"3f54a404b4eba3cc63747b3badc56384d3158de1b084cc13a034a9ef84b62e23","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":16,"qualified_finalists":6,"ranking_unit":"Stairlift model and manufacturer"},"schema_version":4,"summary":"Savaria Curved Stairlift Custom Install is a good — not strong — fit for Basement Access & Utility Stairs. Three of the seven platforms in this study named it during the ranking stage (deepseek, openai, perplexity), an average listed rank of 3.0 and a best rank of 1. The strongest reason to consider it is that a custom-bent rail can follow Basement Stairs with turns, bends, or intermediate landings where a straight rail will not fit, backed by dealer installation and battery operation. The main limitation is that everything commercial and environmental runs through a local dealer: no…","target_buyer":"Seniors who need safe access to laundry rooms, storage areas, workshops, or living spaces located below the main floor","topic":{"base_category":"Stairlifts","category_criteria":["Rail fit on steep stairs","low-ceiling clearance","damp-environment durability","obstruction sensors","seat belt comfort","battery backup","service access","installation price"],"geography":"United States","slug":"best-stairlifts-for-basement-stairs","title":"Best Stairlifts for Basement Stairs","use_case":"Basement Access & Utility Stairs"}}