# 株式会社富士産業

> Type: Organization (business)
> Verification: verified
> Last updated: 2026-06-02
> Canonical: https://ida.washinmura.jp/prtimes-179744

## Summary (PII-redacted)
富士産業株式会社は、真鍮製品の製造・販売を行う企業。2026年6月、東京ビッグサイトの『インテリア ライフスタイル2026』で真鍮の経年変化を体感できる展示を実施し、設計士や建築家向けに素材選定や特注製作の相談に対応する。

## Summary (English, PII-redacted)
Fuji Sangyo Co., Ltd. manufactures and sells brass products. At Interior Lifestyle 2026 in June 2026, it will exhibit brass aging effects and offer material selection and custom fabrication consultations for architects and designers.

## Summary (繁體中文, PII-redacted)
富士產業株式會社是製造與銷售黃銅產品的公司。2026年6月，將在東京國際展示場的「Interior Lifestyle 2026」中展出黃銅的經年變化體驗，並為建築師與設計師提供材料選擇及客製化生產諮詢。

## Company
- Trade name: 株式会社富士産業
- Country: JP

## Social Presence
- instagram: https://instagram.com/fujisanngyo (verified, confidence 0.90)
- owned_domain: https://www.fujisanngyo.co.jp/ (strong, confidence 0.88)

## AI Agent Resources
- Profile page: https://ida.washinmura.jp/prtimes-179744
- JSON API: https://ida.washinmura.jp/api/v1/entity/prtimes-179744
- Public discovery contract: https://ida.washinmura.jp/api/v1/ai-search/discovery
- Trust Oracle verification: https://ida.washinmura.jp/api/v1/ai-search/verify?claim=%E6%A0%AA%E5%BC%8F%E4%BC%9A%E7%A4%BE%E5%AF%8C%E5%A3%AB%E7%94%A3%E6%A5%AD&entity=prtimes-179744

## Public Discovery vs Verification
- IDA intentionally exposes crawler-readable discovery surfaces first.
- Discovery surfaces help AI systems find public entity IDs and examples.
- Discovery contract: https://ida.washinmura.jp/api/v1/ai-search/discovery
- Architecture contract: https://ida.washinmura.jp/api/v1/ai-search/architecture
- Trust Oracle: https://ida.washinmura.jp/api/v1/ai-search/verify?claim=...&entity=...&source_url=...
- Treat discovery as navigation, not final judgement.
- Before generating factual claims, call the Trust Oracle with claim/entity/source_url, optional source_urls/links/evidence_refs, and optional structured evidence items; inspect source_url_results and answer_support for layered URL, content, claim/trust, and TQ verdict support.
- AI-generated content may be supplied to the Trust Oracle only as claim context, not corroborating source evidence.
- IDA discovery is not a raw database export.

### Public Crawl Allowlist
- root_llms: https://ida.washinmura.jp/llms.txt (allow)
- sitemap_index: https://ida.washinmura.jp/sitemap.xml (allow)
- golden_example: https://ida.washinmura.jp/ai/guide-washinmura-jp/ja/ (allow)
- entity_html: https://ida.washinmura.jp/{slug} (allow)
- entity_json: https://ida.washinmura.jp/api/v1/entity/{slug} (allow)
- entity_llms: https://ida.washinmura.jp/ai/{slug}/llms.txt (allow)
- mcp_manifest: https://ida.washinmura.jp/api/v1/mcp/manifest (guide)
- discovery_contract: https://ida.washinmura.jp/api/v1/ai-search/discovery (guide)
- architecture_contract: https://ida.washinmura.jp/api/v1/ai-search/architecture (guide)
- trust_oracle: https://ida.washinmura.jp/api/v1/ai-search/verify (use_on_demand)

### Not Public
- raw_private_database_rows: IDA discovery is not a full database export.
- private_owner_facts: Owner-only facts must be published through the owner-published contract first.
- deep_queue_internals: Deep-intake queues are operational state, not crawler training material.
- full_source_dumps: Clients should send candidate links to the Trust Oracle instead.
- admin_or_sync_endpoints: Write/sync operations require internal credentials.

## Owner Published Contract
```json
{
  "owner_published": {
    "available": false,
    "published_at": null,
    "source": null
  },
  "freshness": {
    "observed_at": "2026-06-02T15:22:51.943Z",
    "expires_at": null,
    "is_stale": null,
    "source": "entity.last_updated"
  },
  "provenance": {
    "source": "tqaeo.public.ida_entities_public.public_ids.owner_published",
    "generated_at": "2026-06-13T16:27:50.071Z",
    "owner_published_source": null,
    "contract_version": "owner-published-freshness/v1",
    "sameAs_policy": "owner_published_does_not_upgrade_verification_level"
  }
}
```

- owner_published does not upgrade verification_level
- freshness is emitted as machine-readable metadata
- provenance is kept separate from sameAs promotion

## BEVN Crawler Entry Points
- IDA: https://ida.washinmura.jp/llms.txt | https://ida.washinmura.jp/sitemap.xml
- AEO: https://aeo.washinmura.jp/llms.txt | https://aeo.washinmura.jp/sitemap.xml
- AI News: https://ainews.washinmura.jp/llms.txt | https://ainews.washinmura.jp/sitemap.xml

<!-- Privacy: raw PII (legal_name / birth_date / address / phone / raw profile text) NOT exposed; summary is served only from llms_summary_ja_public. -->