kavra_siegel_stamp_hash
Erzeugt einen qualifizierten eIDAS-Zeitstempel für einen SHA-256-Hash. RFC 3161 via SIGNIUS/IDnow Trust Services AB (EU Trusted List).
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| tier | No | Stamp tier (basic=hash-only, plus=with URL, sealed=full content) | basic |
| metadata | No | Optional key-value metadata persisted with the stamp | |
| sha256_hex | Yes | Lowercase 64-char hex SHA-256 hash |