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9. Gaia-X Power of Attorney format

To adapt to the various organisation structures and introduce a mean for a party to delegate rights to another party, a power of attorney is useful.

A Gaia-X Power of Attorney is a machine readable, structured and signed document that comprises at a minimum the following information attributes:

  • Power of Attorney ID, as unique identifier.
  • Principal ID, as unique identifier for the Participant that signs the power of attorney.
  • Principal cryptographic material reference, to enable the verification of the signature of the power of attorney.
  • Authorised Participant ID, as unique identifier for the Participant to whom the powers are granted.
  • Authorised Participant cryptographic material reference, to enable the verification of the signature of future claims signed by the Authorised Participant.
  • A list of granted powers, either as text or preferably in a machine redeable format using a Domain Specific Language like ODRL.
  • Issuance date on which the power of attorney was issued.
  • Validity start and end dates on which the power of attorney enters into force and expires.

Tip

In technical terms, a Gaia-X Label is a W3C Verifiable Credential and the JSON schema covering the above functional expectations is available via the Gaia-X Registry.

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