{"citations":{"source_mix":{"company_owned":21,"independent":12,"unclear":0},"sources_referenced_by_questions":0,"support_mix":{"direct":26,"partial":5},"total_sources":33,"unique_domain_count":11},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-09-25","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best Stairlifts for Straight Stairs","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-25","platform_support":["anthropic","kimi","openai"],"predicate":"final_consensus_rank","qualifier":"Single-Flight Straight Staircases","subject":"Leaf Home","unit":"rank","value":7},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-25","platform_support":["anthropic","kimi","openai"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Leaf Home","unit":"platforms","value":3},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-25","platform_support":["google"],"predicate":"fit_rating_count","qualifier":"strong","subject":"Leaf Home","unit":"platforms","value":1},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-25","platform_support":["openai","anthropic","grok","perplexity"],"predicate":"fit_rating_count","qualifier":"good","subject":"Leaf Home","unit":"platforms","value":4},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-09-25","platform_support":["deepseek","kimi"],"predicate":"fit_rating_count","qualifier":"uncertain","subject":"Leaf Home","unit":"platforms","value":2}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":5.333333333333333,"best_rank":5,"entity_id":"entity-001","entity_type":"company","final_rank":7,"name":"Leaf Home","platform_mentions":3,"platform_share":0.42857142857142855}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/stairlifts/single-flight-straight-staircases/leaf-home.json","page_url":"https://aginginplaceindex.com/stairlifts/single-flight-straight-staircases/leaf-home","report_type":"fit_review","study_id":"AIPI-STUDY-470E2F0959CF","title":"Leaf Home Review for Straight 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.","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":"2026-09-25 15:38:44.220642+00","research_date":"2026-09-25","source_snapshot_sha256":"447910892c8324d71203271fe936250705fb23d0a54e33d19b7d11e320b91669","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":12,"qualified_finalists":7,"ranking_unit":"Stairlift model and manufacturer"},"schema_version":4,"summary":"Leaf Home is a good fit for single-flight straight staircases, but not an automatic best buy. Three of the seven platforms in this study named Leaf Home during the ranking stage, at an average listed rank of 5.3 and a best rank of 5. The strongest reason to consider it is the Comfort Lift's purpose-built straight-stair design: a 10.5-inch folded rail, 350-pound standard capacity, swivel seat, standard obstruction sensors, battery backup, and professional installation. The main limitation is opaque pricing. Leaf Home publishes no base equipment price, independent estimates range widely, and…","target_buyer":"Seniors with declining mobility living in two-story homes with straight, un-landed staircases","topic":{"base_category":"Stairlifts","category_criteria":["Standard rail fit","installation time","seat swivel and comfort","weight capacity","safety obstruction sensors","base equipment price"],"geography":"United States","slug":"best-stairlifts-for-straight-stairs","title":"Best Stairlifts for Straight Stairs","use_case":"Single-Flight Straight Staircases"}}