# LotTrail

> Follow a lot or serial number through the factory records you already keep. See each recorded link, where it came from and what is missing. Request an invited LotTrail trial.

Invited trials are arranged individually. Scope, dates and terms are agreed before access, with no self-service sign-up or public price.

## Pages

- [LotTrail | Lot and serial traceability from your existing records](https://lottrail.smartfact.ai/): Follow a lot or serial number through the factory records you already keep. See each recorded link, where it came from and what is missing. Request an invited LotTrail trial.
- [LotTrail service guide](https://lottrail.smartfact.ai/docs): Explore the workflow, the inputs it needs and how an invited trial is arranged.
- [LotTrail privacy notice](https://lottrail.smartfact.ai/privacy): How Obsidian Black Ltd handles your enquiry and analytics choice.
- [Lot and serial traceability from the records you already keep](https://lottrail.smartfact.ai/lot-traceability-from-existing-records): Follow a lot or serial number forwards and backwards through declared records from two systems, with the source of every link.
- [Investigate a supplier lot when a defect is reported](https://lottrail.smartfact.ai/supplier-lot-defect-investigation): Find the recorded outputs and shipments that may contain a questioned lot, with the gaps that limit the answer.
- [Answer a customer’s traceability question with its evidence](https://lottrail.smartfact.ai/customer-and-warranty-traceability-questions): Show where a serial-numbered unit came from and what the records cover, as known at a stated time.
- [How LotTrail works](https://lottrail.smartfact.ai/docs/how-it-works): From declared source files to a reviewed identity link, a bounded investigation and a case with its evidence.
- [Prepare your LotTrail demonstration and trial](https://lottrail.smartfact.ai/docs/prepare-your-trial): Start with fictional records, then agree two sources, a known case and the permissions for an invited trial.
- [Evidence, coverage and what a result means](https://lottrail.smartfact.ai/docs/evidence-coverage-and-limits): How LotTrail separates recorded paths from context, states coverage and keeps corrections, and what it never claims.

## Discovery

- [Full text](https://lottrail.smartfact.ai/llms-full.txt)
- [Sitemap](https://lottrail.smartfact.ai/sitemap.xml)