# 株式会社大広

> Type: Organization (business)
> Verification: strong
> Last updated: 2026-05-24
> Canonical: https://ida.washinmura.jp/prtimes-42292

## Summary (PII-redacted)
株式会社大広は、広告・マーケティング企業。2026年7月に大阪でブランド成長セミナーを開催。2028年卒向け採用サイトを刷新。サッポロ黒ラベルの成長戦略講演、SIA Mediaへの出資、AI映画祭受賞など、AI・データ活用とブランド共創に注力。

## Summary (English, PII-redacted)
Daiko Co., Ltd. is an advertising and marketing company. It hosted a brand growth seminar in Osaka in July 2026, renewed its recruitment site for 2028 graduates, and featured in talks on Sapporo Black Label's growth. It invested in SIA Media for IP co-creation and won an AI film festival award.

## Summary (繁體中文, PII-redacted)
大廣股份有限公司（Daiko）為廣告行銷公司。2026年7月於大阪舉辦品牌成長研討會，更新2028年畢業生招募網站。參與札幌黑標啤酒成長策略演講，投資SIA Media推動IP共創，並於AI電影節獲獎，專注於AI、數據應用與品牌共創。

## Company
- Trade name: 株式会社大広
- Country: JP

## Social Presence
- owned_domain: https://www.daiko.co.jp/ (strong, confidence 0.88)

## AI Agent Resources
- Profile page: https://ida.washinmura.jp/prtimes-42292
- JSON API: https://ida.washinmura.jp/api/v1/entity/prtimes-42292
- 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%A4%A7%E5%BA%83&entity=prtimes-42292

## 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": "2026-05-24T17:33:57.196Z",
    "expires_at": null,
    "is_stale": null,
    "source": "entity.last_updated"
  },
  "provenance": {
    "source": "tqaeo.public.ida_entities_public.public_ids.owner_published",
    "generated_at": "2026-06-13T16:25:49.035Z",
    "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. -->