{"citations":{"source_mix":{"company_owned":12,"independent":22,"unclear":5},"sources_referenced_by_questions":0,"support_mix":{"direct":31,"partial":8},"total_sources":39,"unique_domain_count":29},"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 Narrow Staircases","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":"Compact & Narrow Stairways","subject":"Harmar Pinnacle SL600","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":"Harmar Pinnacle SL600","unit":"platforms","value":7},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","grok","perplexity","google"],"predicate":"fit_rating_count","qualifier":"strong","subject":"Harmar Pinnacle SL600","unit":"platforms","value":4},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-26","platform_support":["openai"],"predicate":"fit_rating_count","qualifier":"good","subject":"Harmar Pinnacle SL600","unit":"platforms","value":1},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-09-26","platform_support":["deepseek","kimi"],"predicate":"fit_rating_count","qualifier":"uncertain","subject":"Harmar Pinnacle SL600","unit":"platforms","value":2}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":2.142857142857143,"best_rank":1,"entity_id":"entity-001","entity_type":"company","final_rank":1,"name":"Harmar Pinnacle SL600","platform_mentions":7,"platform_share":1}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/stairlifts/compact-narrow-stairways/harmar-pinnacle-sl600.json","page_url":"https://aginginplaceindex.com/stairlifts/compact-narrow-stairways/harmar-pinnacle-sl600","report_type":"fit_review","study_id":"AIPI-STUDY-9C1828ACE9D3","title":"Harmar Pinnacle SL600 Review for Narrow Staircases"},"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 11:13:20.693811+00","research_date":"2026-09-26","source_snapshot_sha256":"32e680b111b801fc8e11f087a8a75af0ce252abdc6e53daffcd54b0b21bb2878","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":19,"qualified_finalists":7,"ranking_unit":"Stairlift model and manufacturer"},"schema_version":4,"summary":"The Harmar Pinnacle SL600 is a good-to-strong fit for many straight stairways under 30 inches wide, but the fit is conditional rather than guaranteed. All 7 platforms that named it in the ranking stage included it, giving it a 100% share of included platform responses, an average listed rank of 2.14, and a best rank of 1. Its strongest advantage is a published folded profile of about 10.5 inches from the wall, plus an optional folding rail for bottom-landing obstruction. The main limitation is that Harmar does not publish a single verified minimum staircase width or swivel radius, so an…","target_buyer":"Homeowners needing a stairlift installed on narrow stairways (under 30 inches) without blocking foot traffic","topic":{"base_category":"Stairlifts","category_criteria":["Minimum staircase width requirement","folded profile depth","slim rail design","folding footrest and armrest clearance","swivel radius"],"geography":"United States","slug":"best-stairlifts-for-narrow-staircases","title":"Best Stairlifts for Narrow Staircases","use_case":"Compact & Narrow Stairways"}}