# title
POPCORN payload-bound witness response v1

# properties.witness_receipt.properties.commitment.properties.payload_digest.properties.value.description
Canonical unpadded base64url encoding of exactly 32 bytes.

# properties.witness_receipt.properties.commitment.properties.previous_attestation_digest.anyOf[].properties.value.description
Canonical unpadded base64url encoding of exactly 32 bytes.