Provenance verified
The hash-linked ledger for this Presence recomputes cleanly — its recorded content and chain linkage are intact.
A neighbourhood badge is a claim. This is a checkable receipt.
Astin Consulting
AI governance & sovereign architecture advisory
- Accountable to
- Darryl S Astin · Principal
- Anchored place
- Martin Place Precinct
- Registered
- September 11, 2026
Ledger Integrity
Content integrity re-derives each record’s SHA-256 hash from its own stored fields; linkage integrity confirms every record points to the previous one, so nothing has been inserted, removed or reordered.
This Presence’s Records (9)
Share This Receipt
Embed a live verification badge on your own site. It always reflects the current tier and ledger integrity, and links back to this checkable receipt.
<a href="/verify/ent-1">
<img src="/api/badge/ent-1" alt="Astin Consulting — F-ACT verification receipt" width="340" height="84" />
</a>Demonstration data. Integrity here is a SHA-256 hash-linked chain within this neighbourhood database — not a decentralised blockchain, and not third-party certification. The conformance tier shown is self-declared by the operator.