# CPI Source Notes

Date: 2026-06-12

## Source references checked

1. ZWEISPACE JAPAN PR Times release, dated 2025-08-01:
   `https://prtimes.jp/main/html/rd/p/000000121.000029068.html`

   The release presents `$CPI` as a macroeconomics / inflation observation token under Zweichain / Zweicoin, with themes including real-world price trend indexing, statistical-mechanics modeling, off-balance-sheet debt and pension-system analysis, real-time data for fiscal policy, and DAO-style economic research.

2. Statistics Bureau of Japan CPI schedule:
   `https://www.stat.go.jp/english/data/cpi/1582.html`

   The page was last updated on 2026-01-23. It lists Japan CPI release dates. For the current near-term prototype, May 2026 Japan CPI is scheduled for 2026-06-19 and June 2026 is scheduled for 2026-07-24.

3. Statistics Bureau of Japan CPI index page:
   `https://www.stat.go.jp/english/data/cpi/index.html`

   This is the official CPI doorway for latest monthly results, reports, historical data, schedules, and methodology.

4. Bank of Japan Indicators for Core CPI:
   `https://www.boj.or.jp/en/research/research_data/cpi/index.htm`

   BOJ describes core inflation indicators as estimates that remove transitory disturbances and institutional factors from actual consumer-price movements. BOJ states that the data are generally released at 2:00 p.m., two business days after official Japan CPI.

## Local predecessor checked

The old mock page was read from:

```text
C:\Users\hayat\Documents\Codex\Divisions\Investment\prediction-market-cpi\index.html
```

Useful pieces preserved:

- `ZweiPredict CPI Board` naming
- MIC and BOJ dual-source frame
- release schedule strip
- simulation-only localStorage rule
- no yen, no cash-out, no live trading, no wallet, no exchange

What changed:

- stronger public-good and bond-market rehabilitation positioning
- generated macro-intelligence hero image
- broader supply-chain, FX, Pacific Rim, resources, and yield-curve lanes
- token guardrails moved into Markdown
- public page copy avoids bookmaking language

## Public/private wording boundary

Public-ready:

- CPI is a public-good macro intelligence and prediction-research board.
- CPI compares delayed official inflation releases with real-time price, supply-chain, FX, and yield-curve signals.
- CPI is not an official BOJ or MIC product.
- Current board is simulation-only.

Hold for legal or relationship review:

- any statement about Japan licensing
- any claim of government or BOJ support
- any named ministry, agency, official, or private relationship
- any investment history or private-person credentials
- any token sale, tradable instrument, derivative, ETD, reward, wallet, exchange, or settlement claim