{"citations":{"source_mix":{"company_owned":16,"independent":26,"unclear":1},"sources_referenced_by_questions":0,"support_mix":{"direct":35,"partial":8},"total_sources":43,"unique_domain_count":29},"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 Affordable Stairlifts","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","grok","kimi","openai"],"predicate":"final_consensus_rank","qualifier":"Budget-Friendly Stair Mobility","subject":"Acorn Stairlifts","unit":"rank","value":4},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","grok","kimi","openai"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Acorn Stairlifts","unit":"platforms","value":6},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-27","platform_support":["grok","perplexity","kimi","google"],"predicate":"fit_rating_count","qualifier":"good","subject":"Acorn Stairlifts","unit":"platforms","value":4},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-27","platform_support":["openai","deepseek"],"predicate":"fit_rating_count","qualifier":"mixed","subject":"Acorn Stairlifts","unit":"platforms","value":2},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic"],"predicate":"fit_rating_count","qualifier":"uncertain","subject":"Acorn Stairlifts","unit":"platforms","value":1}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":4.166666666666667,"best_rank":2,"entity_id":"entity-001","entity_type":"company","final_rank":4,"name":"Acorn Stairlifts","platform_mentions":6,"platform_share":0.8571428571428571}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/stairlifts/budget-friendly-stair-mobility/acorn-stairlifts.json","page_url":"https://aginginplaceindex.com/stairlifts/budget-friendly-stair-mobility/acorn-stairlifts","report_type":"fit_review","study_id":"AIPI-STUDY-B2AD2595691B","title":"Acorn Stairlifts Review for Budget-Friendly Stair Mobility"},"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":"2026-09-27 09:55:47.720698+00","research_date":"2026-09-27","source_snapshot_sha256":"6f50818c19d03423a64d6bc22309d91144dade56d98b50319d38314e9f07d43c","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":13,"qualified_finalists":6,"ranking_unit":"Stairlift model and manufacturer"},"schema_version":4,"summary":"Acorn Stairlifts is a mixed-to-good fit for Budget-Friendly Stair Mobility, depending on the buyer's staircase and tolerance for quote-based pricing. Six of seven platforms named Acorn Stairlifts during the ranking stage, and the Acorn 130 Straight Stairlift was the model every platform identified as relevant. The strongest reason to consider it is a competitive installed price for a standard straight staircase, with independent 2026 estimates clustering in the low-to-mid four figures and installation typically bundled. The main limitation is transparency: Acorn does not publish a U.S. list…","target_buyer":"Cost-conscious seniors and families looking for safe stair access without paying for premium custom features they do not need","topic":{"base_category":"Stairlifts","category_criteria":["Base equipment price","installation cost","warranty coverage","financing availability","service network reach","standard safety features","maintenance expectations"],"geography":"United States","slug":"best-affordable-stairlifts","title":"Best Affordable Stairlifts","use_case":"Budget-Friendly Stair Mobility"}}