{"citations":{"source_mix":{"company_owned":13,"independent":8,"unclear":1},"sources_referenced_by_questions":0,"support_mix":{"direct":16,"partial":6},"total_sources":22,"unique_domain_count":10},"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 Standing Stairlifts","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-27","platform_support":["grok","kimi"],"predicate":"final_consensus_rank","qualifier":"Standing & Semi-Standing Stair Travel","subject":"Arrow Lift Custom Standing Stairlift","unit":"rank","value":5},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-27","platform_support":["grok","kimi"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Arrow Lift Custom Standing Stairlift","unit":"platforms","value":2},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-27","platform_support":["grok"],"predicate":"fit_rating_count","qualifier":"strong","subject":"Arrow Lift Custom Standing Stairlift","unit":"platforms","value":1},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-27","platform_support":["openai","anthropic","perplexity","google"],"predicate":"fit_rating_count","qualifier":"good","subject":"Arrow Lift Custom Standing Stairlift","unit":"platforms","value":4},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-09-27","platform_support":["deepseek","kimi"],"predicate":"fit_rating_count","qualifier":"mixed","subject":"Arrow Lift Custom Standing Stairlift","unit":"platforms","value":2}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":3.5,"best_rank":3,"entity_id":"entity-001","entity_type":"company","final_rank":5,"name":"Arrow Lift Custom Standing Stairlift","platform_mentions":2,"platform_share":0.2857142857142857}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/stairlifts/standing-semi-standing-stair-travel/arrow-lift-custom-standing-stairlift.json","page_url":"https://aginginplaceindex.com/stairlifts/standing-semi-standing-stair-travel/arrow-lift-custom-standing-stairlift","report_type":"fit_review","study_id":"AIPI-STUDY-376A2F70E77F","title":"Arrow Lift Custom Standing Stairlift Review for Standing & Semi-Standing Stair Travel"},"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":"2026-09-27 12:54:02.325365+00","research_date":"2026-09-27","source_snapshot_sha256":"85d78d90d275d06677a4e5790c895ffd804a99b712b29f8278f80530aae0927e","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":11,"qualified_finalists":4,"ranking_unit":"Standing stairlift model and manufacturer"},"schema_version":4,"summary":"Arrow Lift Custom Standing Stairlift is a good but conditional fit for standing and semi-standing stair travel. Two of seven platforms named it during ranking discovery, giving it a 28.6% share of included platform responses, an average listed rank of 3.5, and a best listed rank of 3. The strongest reason to consider it is Arrow Lift's stated design policy: standing installations use a perch seat, a custom curved rail that stops on level ground, a safety-belt movement interlock, and a powered footrest . The main limitation is disclosure: the exact manufacturer, model number, weight capacity,…","target_buyer":"Users who struggle to bend their knees or sit fully but can safely ride in a supported standing or semi-seated position","topic":{"base_category":"Stairlifts","category_criteria":["Standing support design","perch seat stability","safety harness or grab bar quality","minimum stair width","obstruction sensors","ride smoothness","weight capacity"],"geography":"United States","slug":"best-standing-stairlifts","title":"Best Standing Stairlifts","use_case":"Standing & Semi-Standing Stair Travel"}}