# Snapshot

> An Arieta Data snapshot is a complete, immutable monthly cut of every SKU, identified YYYY-MM and shipped with a manifest of counts and SHA-256 checksums per shard.

URL: https://data.arietalabs.com/glossary/snapshot/

The first snapshot is 2026-11. Licensees receive monthly delta snapshots (upserts plus tombstones). Commercial and Foundation / Lab licences include 12 months of updates and a perpetual right to the snapshots received; Research / Startup data is deleted on expiry.

Sources:
- [Arieta Data changelog](https://data.arietalabs.com/changelog/)