{"citations":{"source_mix":{"company_owned":18,"independent":20,"unclear":0},"sources_referenced_by_questions":0,"support_mix":{"direct":33,"partial":5},"total_sources":38,"unique_domain_count":18},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-10-02","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best Contractors for Adding a Basement or Attic Bathroom","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-10-02","platform_support":["anthropic","deepseek","google","openai"],"predicate":"final_consensus_rank","qualifier":"new bathroom addition","subject":"Bath Fitter","unit":"rank","value":1},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-10-02","platform_support":["anthropic","deepseek","google","openai"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Bath Fitter","unit":"platforms","value":4},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-10-02","platform_support":["openai","anthropic","deepseek","grok","perplexity","kimi","google"],"predicate":"fit_rating_count","qualifier":"weak","subject":"Bath Fitter","unit":"platforms","value":7}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":3.5,"best_rank":1,"entity_id":"entity-001","entity_type":"company","final_rank":1,"name":"Bath Fitter","platform_mentions":4,"platform_share":0.5714285714285714}],"identity":{"dataset_url":"https://homeimprovementconsensusindex.com/datasets/bathroom-remodeling/new-bathroom-addition/bath-fitter.json","page_url":"https://homeimprovementconsensusindex.com/bathroom-remodeling/new-bathroom-addition/bath-fitter","report_type":"fit_review","study_id":"HICI-STUDY-06E7988C0BFA","title":"Bath Fitter Review for Adding a Basement or Attic Bathroom"},"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":"Home Improvement Consensus 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":"2026-10-02 17:11:33.433566+00","research_date":"2026-10-02","source_snapshot_sha256":"699a817830784bdeb0f0c3b42c45063ecf4735aedde4a1ec0346021eaac57649","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":46,"qualified_finalists":2,"ranking_unit":"Bathroom remodeling contractor or installer"},"schema_version":4,"summary":"Bath Fitter is a weak fit for a new bathroom addition. All seven platforms that evaluated fit for this use case rated it weak, and four of the seven named it during ranking discovery. Its strongest attribute for this use case is a fast, low-demolition acrylic tub, shower, and wall system with a published limited lifetime warranty on specified acrylic products . The main limitation is scope: Bath Fitter's documented core offering is a retrofit installed over or in place of an existing tub or shower, and no reviewed public source confirms that it designs or installs new drainage branches,…","target_buyer":"A homeowner creating a bathroom where none existed, requiring new supply, waste and often a sewage ejector or venting run.","topic":{"base_category":"Bathroom Remodeling","category_criteria":["new drainage runs","ejector pump systems","venting and egress compliance","project scope handled","waterproofing and tiling quality","fixture sourcing","timeline reliability","written estimate clarity","workmanship warranty","customer review strength"],"geography":"United States","slug":"best-contractors-for-adding-a-basement-or-attic-bathroom","title":"Best Contractors for Adding a Basement or Attic Bathroom","use_case":"new bathroom addition"}}