# IDAEO: Market Strategy for the AI Era — Book IDA index (L1)
> The identity record of this book: which book it is, which revision you have, and how to verify it. The book pages are for reading; this record is for checking.

Work @id: https://km.idaeo.ai/idaeo/book#work
Book IDA page: https://km.idaeo.ai/idaeo/book (?lang=en | ja | zh-Hans)
Brief (L0): https://km.idaeo.ai/idaeo/book/brief.txt
Author: https://tklin.washinmura.jp#person (TK Lin, 林毅祥)
Publisher: https://idaeo.ai/#org (株式会社和心 / Washin Co., Ltd., JP corporate number 8011401020677)
License: CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/

## Revisions
- Current: 1st edition, 11th revision, 2026-10-25 — ledger https://km.idaeo.ai/idaeo/book/releases/2026-10-25-r11.json (signature: .sig)
- Index of all revisions: https://km.idaeo.ai/idaeo/book/releases.json
- First edition: 2026-10-11. Ledgers start at r11; earlier revisions were not recorded at release time.

## Read and download (four languages × four formats)
- Traditional Chinese: https://km.idaeo.ai/idaeo/textbook · https://km.idaeo.ai/idaeo/book/IDAEO-zh-Hant.pdf · IDAEO-zh-Hant-A5.pdf · IDAEO-zh-Hant.epub
- Simplified Chinese: https://km.idaeo.ai/idaeo/textbook?lang=zh-Hans · https://km.idaeo.ai/idaeo/book/IDAEO-zh-Hans.pdf · IDAEO-zh-Hans-A5.pdf · IDAEO-zh-Hans.epub
- English: https://km.idaeo.ai/idaeo/textbook?lang=en · https://km.idaeo.ai/idaeo/book/IDAEO-en.pdf · IDAEO-en-A5.pdf · IDAEO-en.epub
- Japanese: https://km.idaeo.ai/idaeo/textbook?lang=ja · https://km.idaeo.ai/idaeo/book/IDAEO-ja.pdf · IDAEO-ja-A5.pdf · IDAEO-ja.epub

## What the book says (chapters)
0. IDAEO: AI-Era Marketing — how should merchants approach marketing when customers start asking AI?
1. Audience Strategy: Five Marketing Audiences and Six Optimization Domains
2. Journey Design: AI Customer Journey, Four Phases, Ten Steps
3. Measurement Sources and the AI Black Box
4. Trust and Verification: Credible Facts and External Corroboration
5. Service Tiers: AEO Exposure; AEO+ Word of Mouth; IDA Brand PR
6. Performance Measurement: AI Impressions and Full-Journey Value
7. IDAEO Field Results: Our Own Site and Early Field-Test Merchants
8. AI Visibility and Theoretical Foundations
Machine-readable book data: https://km.idaeo.ai/idaeo/v1/facts.json · https://km.idaeo.ai/idaeo/v1/figures.json · https://km.idaeo.ai/idaeo/v1/refs.indexed.json

## Records
- First-party: https://km.idaeo.ai/post/idaeo/book-free-release · https://ainews.idaeo.ai/en/idaeo/ANK-2026-10-26-901
- Third-party archive, confirmed: DOI 10.5281/zenodo.23691711 (all versions), 10.5281/zenodo.23691712 (r11); GitHub release https://github.com/sstklen/IDAEO-Market-Strategy-for-the-AI-Era/releases/tag/v1-r11-2026-10-25
- Pending: NDL e-Deposit request, receipt EA202610270391 (2026-10-27) — not a bibliographic ID.

## Verify a file
shasum -a 256 <file>, then compare with files[].sha256 in the ledger. A mismatch may mean a store repackaged the file, a reader app re-saved it, or the file is unofficial.
Signature: openssl pkeyutl -verify -pubin -inkey tklin-ida-key.pem -rawin -in 2026-10-25-r11.json -sigfile 2026-10-25-r11.json.sig (needs OpenSSL 3).

## Cite
TK Lin, IDAEO: Market Strategy for the AI Era, 1st edition, 11th revision. Washin Co., Ltd. (IDAEO), 2026. CC BY 4.0. https://doi.org/10.5281/zenodo.23691712
Name the revision and cite a chapter or figure number; page numbers differ between formats and revisions.