{"citations":{"source_mix":{"company_owned":14,"independent":12,"unclear":4},"sources_referenced_by_questions":0,"support_mix":{"direct":23,"partial":7},"total_sources":30,"unique_domain_count":17},"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 Heavy Users","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","deepseek","google","openai","perplexity"],"predicate":"final_consensus_rank","qualifier":"Bariatric & High-Weight Capacity","subject":"Savaria K2 Heavy-Duty","unit":"rank","value":3},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","deepseek","google","openai","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Savaria K2 Heavy-Duty","unit":"platforms","value":5},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","grok"],"predicate":"fit_rating_count","qualifier":"strong","subject":"Savaria K2 Heavy-Duty","unit":"platforms","value":2},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-26","platform_support":["openai","deepseek","perplexity","google"],"predicate":"fit_rating_count","qualifier":"good","subject":"Savaria K2 Heavy-Duty","unit":"platforms","value":4},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-09-26","platform_support":["kimi"],"predicate":"fit_rating_count","qualifier":"uncertain","subject":"Savaria K2 Heavy-Duty","unit":"platforms","value":1}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":4.2,"best_rank":3,"entity_id":"entity-001","entity_type":"company","final_rank":3,"name":"Savaria K2 Heavy-Duty","platform_mentions":5,"platform_share":0.7142857142857143}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/stairlifts/bariatric-high-weight-capacity/savaria-k2-heavy-duty.json","page_url":"https://aginginplaceindex.com/stairlifts/bariatric-high-weight-capacity/savaria-k2-heavy-duty","report_type":"fit_review","study_id":"AIPI-STUDY-A5C260E51E16","title":"Savaria K2 Heavy-Duty Review for Heavy Users"},"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":"2026-09-26 13:01:54.179612+00","research_date":"2026-09-26","source_snapshot_sha256":"6b2220a389a700d7b59ca37e20e95c25787761df7e3e60c67bcdfd5c38159d10","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":18,"qualified_finalists":7,"ranking_unit":"Heavy-duty stairlift model and manufacturer"},"schema_version":4,"summary":"The Savaria K2 Heavy-Duty — sold as the K2 Plus straight stairlift configured with the Plus heavy-duty seat — is a good fit for a residential bariatric buyer who weighs up to 400 lb, has a straight indoor staircase, and needs a wider adjustable seat. Five of seven platforms named it during the ranking stage (71.4% of included platform responses), at an average listed rank of 4.2 and a best rank of 3. The strongest reason to consider it is the published 400 lb residential rating paired with a Plus seat that adjusts to roughly 24.25 inches wide. The main limitation is that 400 lb is a ceiling,…","target_buyer":"Bariatric individuals or heavier adults requiring higher weight thresholds and wider seating dimensions","topic":{"base_category":"Stairlifts","category_criteria":["Maximum weight capacity (400+ lbs)","heavy-duty motor performance","seat width","adjustable armrests","reinforced track stability","warranty coverage"],"geography":"United States","slug":"best-stairlifts-for-heavy-users","title":"Best Stairlifts for Heavy Users","use_case":"Bariatric & High-Weight Capacity"}}