{"citations":{"source_mix":{"company_owned":28,"independent":30,"unclear":0},"sources_referenced_by_questions":0,"support_mix":{"direct":50,"partial":8},"total_sources":58,"unique_domain_count":24},"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":["grok","kimi"],"predicate":"final_consensus_rank","qualifier":"new bathroom addition","subject":"EcoFlow LLC","unit":"rank","value":2},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-10-02","platform_support":["grok","kimi"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"EcoFlow LLC","unit":"platforms","value":2}],"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},{"average_rank":3,"best_rank":1,"entity_id":"entity-002","entity_type":"company","final_rank":2,"name":"EcoFlow LLC","platform_mentions":2,"platform_share":0.2857142857142857}],"identity":{"dataset_url":"https://homeimprovementconsensusindex.com/datasets/bathroom-remodeling/new-bathroom-addition.json","page_url":"https://homeimprovementconsensusindex.com/bathroom-remodeling/new-bathroom-addition","report_type":"best_of_index","study_id":"HICI-STUDY-F0B39F55730C","title":"Best Contractors for Adding a Basement or Attic Bathroom (2026)"},"limitations":["Exactly 7 platforms were included in this run: openai, anthropic, deepseek, grok, perplexity, kimi, google. The configured source value 7 is provenance only and must never be described as the number of platforms studied.","The finalrankingtable is the sole authority for rank, platform mentions, platform share, average rank, and best rank. Ignore any conflicting value embedded in a entity evidence bundle.","The Consensus Ranking table must contain exactly one row per finalrankingtable entity, in that order, using that exact entityname. Never split one ranked entity into two product, model, SKU, or product-line rows, and never add another ranking row for a brand already listed. Put recommended products or plans inside that entity's ranked section.","Platform mentions count only ranking-discovery mentions. Do not substitute the number of platforms that later completed a fit assessment.","Citation IDs inside each entity bundle are local to that entity. Consolidate sources by URL using the supplied source catalog.","The URLs were collected from platform responses and were not independently validated by either writer stage.","Each fitreviewurlorplaceholder is the final site-relative CMS path for that entity's review. Link the entity name to that exact path exactly once in its ranked prose section, outside tables and headings. Never replace it with a run ID, report ID, UUID, or local output path.","Use the exact entity-namespaced citation IDs from the source catalog (e.g. e1:); never transfer a citation between entities."],"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 17:11:41.495653+00","research_date":"2026-10-02","source_snapshot_sha256":"01d25d4ad5e0b6bd5a7df7c1c8130f8e071655fc5888e7a8b45778d03a6fba09","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":46,"qualified_finalists":2,"ranking_unit":"Bathroom remodeling contractor or installer"},"schema_version":4,"summary":"The consensus leader for a new bathroom addition is Bath Fitter, named by 4 of 7 platforms (57.1% share) at an average listed position of 3.5 and a best position of 1. The strongest alternative for a distinct buyer need is EcoFlow LLC, named by 2 of 7 platforms (28.6%) at an average listed position of 3.0 and a best position of 1 — it is the only qualifying entity whose public scope explicitly covers new drainage runs, sewage ejector systems, venting, and permit coordination for below-grade bathrooms. Seven platforms were studied: openai, anthropic, deepseek, grok, perplexity, kimi, and…","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"}}