Evidence Registry

On-chain Asset Registry (C2) + Double-counting Prevention (C3)

C2 Asset Registry

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C3 Double-counting Prevention

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Network

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Catena testnet

Registration Result

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Not Registered

Section 1 — C2 Asset Registration On-chain Asset Registry

Asset ID (assetId)Registry ID (registryId)Project ID (projectId)Vintage (vintage)serialFromserialToAmount (amount)Typically serialTo − serialFrom + 1

Asset Lookup / Retirement C2 state inspection · RETIRED transition

Asset ID (assetId)

Section 2 — C3 Double-counting Prevention Serial-range claim · overlap rejection

Registry ID (registryId)Project ID (projectId)Vintage (vintage)serialFromserialToAsset ID (assetId)

Claim Count by Scope

registryId

projectId

vintage

Within the same (registry, project, vintage) scope, exact duplicate or overlapping serial ranges are rejected on-chain (double-counting prevention) — the on-chain counterpart to DB int8range EXCLUDE. Registration, claims, and retirement are live testnet transactions, and transaction hashes can be verified in Explorer.

Legal Notice: This record does not confer legal rights (proof only). The technical operator does not replace a registry, exchange, or verifier.