Glossary
Audit trail (reliable audit trail)
Immutable log of all actions on an invoice
A reliable audit trail logs each action on a fiscal document (creation, validation, submission, payment, dispute) with timestamp, actor, IP and hash. Scell.io generates this trail automatically and exposes it via `GET /api/v1/invoices/{id}/audit-trail`. Compliant with DGFiP traceability requirements.