Certificate of origin

Early Monterrubio EVOO coupage

Each hash seals this product's published data. If anything changes afterwards it stops matching, so you know what you see is what was recorded.

Early Monterrubio EVOO coupageVerified on chain

Certificate of origin

Sealed and verifiable data

The sheet was recorded on a private blockchain. The hash lets anyone check that the data has not been altered since publication.

Created10 June 2026
Last anchored11 June 2026
Recorded anchors1

Timeline

Hash history for this sheet

Each anchor is a signed hash on the chain. We tell you what happened and which data was sealed at each moment.

  1. Anchor 1

    Sheet created and published

    Hash pending anchor

    The product sheet was created and its data was sealed for the first time.

    10 June 2026
    Data sealed in this hash
    Product dataLotProducer dataTraceability and processesData sheetCertificationsInformation and tipsOrigin tourCommitmentsMetadata
    SHA-256 hash

What this hash protects

The hash seals these data categories. Any later change to them would make the hash stop matching, so it is detectable.

Product data
Lot
Producer data
Traceability and processes
Data sheet
Certifications
Information and tips
Origin tour
Commitments
Metadata

Product data

  • LotAGV-MON-2611-02
  • Published originMonterrubio de la Serena, Badajoz
  • ProductEarly Monterrubio EVOO coupage
  • Weight500 ml
  • Fat100 %
  • Production date05/11/2026
  • Expiry date28/04/2028
  • ProducerAlmazara Gata Villuercas

Technical details

Cryptographic and chain information for anyone who wants to verify it independently.

Show technical details
Full SHA-256 hash
Transaction
Block79241
Chainbesu-dev
Contract
Signer
Contract versionorigenex-anchor-v1
Canonical bytes35,882
Node clientbesu/v25.10.0/linux-x86_64/openjdk-java-21
Explanation

La huella se envio como transaccion firmada al contrato Besu configurado. El hash publico permite reconciliar la version publicada con la cadena privada.