AVN-ID Registry · Issued Identifier
AVN:ES-29602-NB-260597
✗ Signature invalidIssued 2026-05-23 17:21 UTC by avena-terminal-v1
Identity
Country (ISO 3166-1)
ES
Postal code
29602
Category
NB · New-build
Sequence
260597
Cryptographic provenance
payload_hash = sha256(fingerprint)
e1df76265ae938136c3b44943a4b5a9cfc6ea1e50ef990358239d10f79b5fe9a
signature = HMAC-SHA256(avn_id::payload_hash, secret)[:32]
753b222a6294ac1dfda747c9286f8f9c
issuer = avena-terminal-v1
issued_at = 2026-05-23T17:21:40.913+00:00
Any consumer can verify this AVN-ID by calling GET /api/v1/avn-id/AVN%3AES-29602-NB-260597— the response carries the same signature and a recomputed verification result. If they don't match, the record has been tampered with.
Canonical fingerprint
{
"lat": 36.5108,
"lng": -4.8856,
"postal": "29602",
"country": "ES",
"built_m2": 290,
"category": "NB",
"source_ref": "AV-MAR-101",
"cadastral_ref": "6000113WG3460S0001LE",
"source_portal": "avena"
}These inputs are hashed deterministically to produce payload_hash. Issuing the same fingerprint twice returns this exact AVN-ID — the registry is idempotent.