Standard format: Each issue of this newsletter features themed essays in the first half, followed by NDL-deposited customer TokiQR voices in the appendix. Every issue is deposited with Japan's National Diet Library, making all featured voices part of the nation's permanent archive.
1. Featured Essays
A curated selection of essays on TokiQR's design philosophy and business model.
- 30 Seconds of Voice — How our proprietary audio codec fits up to 30 seconds of voice into a single QR code.
- Technical Design — Why a server-free, fully self-contained design enables 100 years of permanence.
- Deposition — Metal vapor deposition on quartz glass: the material science behind physical permanence.
- 3-2-1 Backup Rule — GitHub, National Diet Library, Sado Island, Maui: the rationale for multi-site storage.
- The Boundary of Made-to-Order — No refunds, made-to-order. Why we chose this business model.
2. Appendix: TokiQR
We feature TokiQR codes from customers who chose the NDL deposit option at order time. Scan the QR codes printed in the appendix PDF with your smartphone to hear their actual voices.
This issue does not include individual customer TokiQR entries in the appendix.
Future deposited TokiQR entries will be grouped by product: Quartz Glass and Laminate.
Future deposited TokiQR entries will be grouped by product: Quartz Glass and Laminate.
In issues that include individual TokiQR entries, the QR codes are printed on the appendix pages of the deposited PDF. Scan with your smartphone to play back the recorded voice.
No server required. Data is fully embedded within the QR code. Playable with just a smartphone and internet connection. Even 100 years from now, as long as this QR code survives, the voice lives on.
Download Deposited PDF
PDF edition deposited with the National Diet Library, including cover and colophon
Download PDF