# GuidBench guides and demonstrations

Learn GuidBench tasks, handle common problems and practise with checked demonstrations using sample data.

Source: https://help.smartfact.ai/guidbench

Read a guide below, or use the help page to ask a general product question. Interactive demonstrations run on desktop and laptop computers. Written instructions work on any device.

## Guides and help pages

- [Recognise UUID formats and repeated values](https://help.smartfact.ai/guidbench/guides/inspect-uuid): Inspect compact and hyphenated forms, identify a repeated UUID and read a refusal for a different kind of identifier.
- [Choose a case-sensitive Nano ID](https://help.smartfact.ai/guidbench/guides/nano-id): Generate a different identifier format and understand why short IDs and letter case need care.
- [Generate and export a random UUID batch](https://help.smartfact.ai/guidbench/guides/random-uuid-batch): Generate three UUID v4 values, change their presentation and download the same batch as JSON.
- [Generate UUID v7 values in one sequential set](https://help.smartfact.ai/guidbench/guides/sequential-v7): Choose time-ordered UUIDs and understand how a sequential set differs from the default fresh randomness for each value.
- [Understand a UUID v7 timestamp](https://help.smartfact.ai/guidbench/guides/uuid-time): Read an encoded UTC timestamp while keeping its device-clock and provenance limits clear.