tagd.sh

Core Concepts

Signal Tags concepts: IDs, verification model, and OSS boundary.

What is a Signal Tag

A Signal Tag is a scannable identifier that resolves to a verifiable record. The physical carrier (QR, NFC, barcode) only transports the ID. The ID anchors verification to a canonical record.

The verification model

OSS and hosted boundary

Signal Tags + Loop Engine

Product authentication is a loop:

Scan → Verify → (if failed) quarantine loop → resolution

Loop Engine governs multi-actor response workflows and audit trails.

Signal Tags + Commerce Chain

Authenticity events act as commerce chain signals. A recalled tag can trigger downstream supply chain response loops.