Authority or service scope
- Class
- DELIVERY_SERVICE_CLASS
- Authority or service
- public postal service tracked mail
- Jurisdiction
- service-specific and destination-specific
- Role scope
- may prove tracking events, not substantive receipt by an authorized official
- Identifier
- None
- Currentness
- UNAVAILABLE
- Next review
- 2026-10-26
- Record hash
- 18f05989d40d89cc0819ae5732edaa8ee5989ebc8ace5de468e99f53fd3018d3
What it can and cannot prove
Can prove
- may prove tracking events, not substantive receipt by an authorized official
- bounded transport metadata when directly produced by the service and independently validated
Cannot prove
- recipient authority
- read status
- understanding
- substantive response
- agreement
- recognition
- treaty status
- legal effect
Evidence and risks
- content digest
- service event identifier
- role-bound service signature
- timestamp chain
- destination identifier
- forged tracking event
- replayed receipt
- lookalike service
- expired key
- ambiguous destination
Delivery versus acknowledgment: A transport delivery event does not establish acknowledgment by a competent recipient or any substantive response.
Illustrative delivery-service class only. No service was contacted and no message was transmitted, delivered, acknowledged, answered, recognized, endorsed, or given legal effect.
Authority and record status
Responsible authority: External Relations Records Office.
Illustrative trust class only; no external action occurred.
Revision date: . Public corrections may be initiated through the diplomatic contact route.