Plate 01 · Issued 2026.04Revised 2026.04.25

Brand trust, made legible.

AU-SVRN

The mint behind the marks.

AU-SVRN is a brand trust management company that builds and operates verification infrastructure for Humark.id and PuraTrust.com.

Document version 1.0 Last revised 2026.04.25 Issued under AU-SVRN methodology v1.0

I.

What the institution is

AU-SVRN, the Au-Sovereign or Gold Sovereign, is a brand trust management company. It builds and operates the verification infrastructure that two operating brands run on: Humark and PuraTrust. The infrastructure is, in modern vocabulary, a Provenance-as-a-Service platform: a single substrate of methodology, registries, identity-binding technology, and regulatory posture, applied through different brands in different markets. The brands carry the marks. The institution keeps the records.

What AU-SVRN is, in long form
II.

What it issues

The work is notarial. AU-SVRN attests to specific facts on behalf of specific parties. It does not adjudicate truth, rate quality, or rank participants. What a mark means is published. What it does not mean is also published.

First principles
III.

What it refuses

AU-SVRN markets no consumer-facing mark of its own. The operating brands carry the marks, and the institution stays behind them. It will not be used as a marketing seal on a child brand's product. It will not gate public registry lookups behind a paywall. It will not centralise the voice of the operating brands. The full list of refusals is binding and is published on its own page.

What we will never do

The marks issued

The Humark mark — three concentric arcs in mint with a coral signing point at centre

24 mm

Pulse Signature

Issued by Humark · under AU-SVRN methodology v1.0

Attests that a specific human, using their own biometrics, signed a specific work at a specific time. The signature is permanent.

Real. Genuine. Inviolable.

Specimen page
The PuraTrust mark — a chambered geometric form in mint, framing the act of inspection

24 mm

PuraTrust Verified

Issued by PuraTrust · under AU-SVRN methodology v1.0

Attests that a specific lot, from a specific supplier, was tested against a documented standard and its supply chain reviewed.

Tested. Traced. Transparent.

Specimen page

Public verification.

The registry of each operating brand is free to query and will remain so. No account is required. A lookup that returns nothing is itself a finding.

Latest entries · The record

AU-SVRN/REC/2026-014 2026.04.21 Methodology v1.0 published · notice AU-SVRN/REC/2026-013 2026.04.09 Acquisition discussion declined: rationale and dates · refusal AU-SVRN/REC/2026-012 2026.03.28 Related-party item: investor recusal on Humark partnership · disclosure AU-SVRN/REC/2026-011 2026.03.14 Correction to Methodology §4.2: prior wording archived · correction AU-SVRN/REC/2026-010 2026.02.27 PuraTrust adoption of EU AI Act 2026 reporting posture · notice Full record

First principles · Eight, in abstract

  1. I.Notary, not judge.
  2. II.Identity bound to claim.
  3. III.Independence is structural, not declarative.
  4. IV.Permanence over performance.
  5. V.Faster than regulators, more rigorous than influencers.
  6. VI.Transparency about limits.
  7. VII.Open standards over proprietary lock-in.
  8. VIII.Plain language as a discipline.
Johannes Vermeer, Woman Holding a Balance, c. 1664. A woman in a blue jacket stands at a table holding an empty balance, light from a window falling on her hand; behind her hangs a painting of the Last Judgement. Pearls and gold coins lie on the table.
Plate · Public domain · NGA 1236

Lineage

A woman holding an empty balance, considered.

Johannes Vermeer painted Woman Holding a Balance in Delft, around 1664. A woman stands at a table holding an empty balance. Pearls and gold coins lie before her, unweighed. Behind her hangs a painting of the Last Judgement. The light enters from the left and falls on her hand.

The painting is about the moment before the weighing. The balance is not yet loaded; the act of attestation is yet to be performed. The Last Judgement hangs deliberately behind her. She is the notary, not the judge. The institution stands in this lineage.

Johannes Vermeer · Woman Holding a Balance · c. 1664 · Oil on canvas · 42.5 × 38 cm · National Gallery of Art, Washington · Open Access

The methodology each brand inherits is published in plain language alongside its technical specification. Both renderings carry equal authority. The current edition is v1.0 (2026); the changelog records every prior revision.

For the press

Standing answers to recurring questions are dated and archived. Press materials, including the wordmark in approved forms, are at the press desk.

Press desk

For regulators

The institution's regulatory posture is published in the methodology, with EU AI Act and California AB 3211 alignment documented per brand.

Regulator contact

For researchers

The methodology may be cited at the section level; fragment identifiers are stable across revisions. Working papers are forthcoming.

Methodology