ISO 22095 Chain Of Custody Blockchain

ISO 22095 defines five chain-of-custody models — identity preserved, segregated, controlled blending, mass balance, and book and claim — and a signed, per-unit AuthiChain record is a natural fit for the first two, not a substitute for the other three.

Why AuthiChain

• Each record ties a signature to one physical item’s identifier — the identity preserved and segregated models ISO 22095 defines, where a claim follows a specific batch rather than a pooled average
• ISO published harmonized requirements for mass balance (22095-2) and book and claim (22095-3) in 2026 — models built on percentage accounting and certificate trading, not per-unit signatures
• A verifier checks the signature and the anchor per record; it does not compute a mass-balance percentage or reconcile a certificate ledger, because that is a different model with different math

How it works

Issue a unique identifier per unit, anchor its record on-chain for tamper-evidence, and let anyone verify it with a single scan. Plans start at $49/mo.

FAQ

Does AuthiChain support mass balance claims?

Not directly. Mass balance and book and claim, per ISO 22095-2 and -3, account for a percentage or trade certificates across a pool of material. AuthiChain signs a record tied to one physical item, which maps to identity preserved or segregated chain of custody instead.

Which ISO 22095 model should we use?

That is a supply-chain design decision, not a technology one — it depends on whether material stays physically separated (identity preserved/segregated) or gets blended (mass balance). Per-unit signing fits the former; it does not replace the accounting a mass-balance system requires.