# Traceability Tree
**Entity class:** Supply-chain data structure
## Definition
A **traceability tree** connects a physical consignment backward through supply-chain events, facilities, aggregators, and constituent source plots. Branching is required because commodities can be aggregated, split, merged, processed, stored, and transported.
## Relationships
- **platform:** [[wiki/ICE Commodity Traceability|ICE CoT]].
- **inputs:** farm plots, geolocation, physical-flow events, documentary evidence, and control-point records.
- **outputs:** [[wiki/Computable Provenance|Computable Provenance]] and a [[wiki/Digital Provenance Envelope|Digital Provenance Envelope]].
- **disambiguation route:** [[wiki/ICE|ICE disambiguation]].
## Sources / Provenance
- [ICE Commodity Traceability](https://www.ice.com/iba/commodity-traceability-service)