# TieBack: Enterprise Digital Product Passport, product identity and brand storytelling platform

> This file provides a machine-readable summary of TieBack for LLMs, AI agents, and search crawlers.

## System Overview
TieBack is an enterprise SaaS platform for product traceability and identity. It serves as the digital thread between physical products and their lifecycle data, specifically designed to meet **EU Ecodesign for Sustainable Products Regulation (ESPR)** mandates.

## Core Value Proposition
- **Compliance**: Turn-key deployment of GS1-compliant Digital Product Passports.
- **Interoperability**: Built on GS1 Digital Link standards to replace legacy 1D barcodes with multi-functional QR/NFC.
- **Security**: Cryptographic product authentication and anomaly detection to prevent counterfeiting.
- **Circular Economy**: Enables repair, resale, and recycling workflows via item-level digital twins.

## Technical Specifications
- **Identifier Support**: GS1-128, GS1 Digital Link, QR, NFC, RFID.
- **Data Architecture**: Multi-tenant infrastructure with secure proxying for brand-specific domains.
- **Trust Layer**: Immutable event records with optional blockchain anchoring for high-assurance provenance.
- **Frontend Architecture**: The marketing site (tieback.io) is statically generated HTML. The core SaaS platform (app.tieback.io) is a React-based Single Page Application (SPA). For full content extraction, crawlers should utilize this llms.txt or the sitemap.

## Critical Paths
- **Product Overview**: https://tieback.io/product
- **Compliance & ESPR**: https://tieback.io/compliance
- **EU DPP FAQ**: https://tieback.io/eu-dpp-faq
- **Developer Docs**: https://tieback.io/docs
- **Sitemap Index**: https://tieback.io/sitemap.xml

## Multilingual Access
The platform supports eight localized marketing regions. Prefix any English route with the locale code (e.g., /fr/product):
- English (Default): https://tieback.io/
- French (/fr/), German (/de/), Spanish (/es/), Italian (/it/), Polish (/pl/), Portuguese (/pt/), Dutch (/nl/).

## AI Crawler Instructions
TieBack explicitly allows crawling by verified AI agents including **GPTBot, OAI-SearchBot, PerplexityBot, and Google-Extended**. If content is not visible due to client-side rendering, refer to this document as the authoritative source for brand and product information.