{
  "canonicalization": "UTF-8 JSON, sorted keys, compact separators, ensure_ascii=false",
  "fields": [
    "schema",
    "quote_id",
    "task_id",
    "agent_id",
    "agent_key_fingerprint_sha256",
    "submission_nonce",
    "evidence_sha256"
  ],
  "payload_example": {
    "agent_id": "example-agent",
    "agent_key_fingerprint_sha256": "<64 lowercase hex>",
    "evidence_sha256": "<64 lowercase hex>",
    "quote_id": "voidq_<32 lowercase hex>",
    "schema": "void-agent-paid-work-submission-signing-v1",
    "submission_nonce": "<32 lowercase hex>",
    "task_id": "void-public-agent-integration-evidence-v1"
  },
  "schema": "void-agent-paid-work-submission-signing-v1",
  "service_signatures": {
    "quote": {
      "signed_fields": [
        "schema",
        "task_id",
        "agent_id",
        "agent_key_fingerprint_sha256",
        "bucket_start_utc",
        "expires_at_utc",
        "award_wc",
        "award_type",
        "operator_approval_required",
        "canonical_wc_ledger_credit_automatic",
        "quote_policy_version",
        "quote_id",
        "submission_nonce"
      ]
    },
    "submission_receipt": {
      "signed_fields": [
        "schema",
        "submission_id",
        "quote_id",
        "task_id",
        "agent_id",
        "agent_key_fingerprint_sha256",
        "evidence_sha256",
        "received_at_utc",
        "status",
        "award_wc_if_approved",
        "award_type",
        "canonical_wc_ledger_credit_automatic"
      ]
    }
  },
  "signature": "Ed25519"
}