{
  "schema": "ambiguous-payment-recovery/proof",
  "schema_version": "0.1.0",
  "reference": "https://github.com/safal207/valta-pilot-lab",
  "boundary": {
    "environment": "public sandbox",
    "claim": "Result holds only within the declared sandbox boundary described below.",
    "not_claimed": [
      "universal exactly-once execution",
      "production payment processing",
      "custody of funds",
      "compliance certification"
    ]
  },
  "intent": {
    "intent_id": "intent_01HZX9K2Q7M4N6R8",
    "action": "payout.dispatch",
    "amount": { "value": "125.00", "currency": "EUR" },
    "recipient_ref": "recipient_7f3a",
    "target_rail": "sandbox-rail-a",
    "authorization_binding": {
      "binds": ["amount", "recipient_ref", "target_rail", "action"],
      "digest": "sha256:8c1f5a0d2b9e4713c6a0d5f8b2e7419ac3d60f8b1e42597d0ab3c6e15f9d2740"
    }
  },
  "execution": {
    "attempts_total": 24,
    "durable_reservation_owners": 1,
    "rejected_stale_or_duplicate_attempts": 23,
    "reservation_owner": "worker_a1",
    "fencing_token": 41,
    "rejection_reasons": {
      "stale_fencing_token": 19,
      "duplicate_intent_in_flight": 4
    }
  },
  "observations": {
    "provider_state": "accepted",
    "external_rail_effects": 1,
    "recipient_credit_observed": true,
    "customer_ledger_postings_linked": 1,
    "observed_independently": true
  },
  "receipt": {
    "integrity": "PASS",
    "digest": "sha256:4e93b7c05a1d8f26b3e70c94d1a58fb26c0e7d3915a84b2f6d0c31e7590ab8d4",
    "replayable": true
  },
  "verdict": {
    "value": "VERIFIED",
    "rationale": "Exactly one external rail effect was independently observed and linked to exactly one customer-ledger posting; authorization binding matched and receipt integrity passed.",
    "retry_permitted": false
  },
  "verdict_vocabulary": {
    "VERIFIED": "One matching economic effect is independently proven.",
    "SAFE_TO_RETRY": "Zero external effects and a pre-effect rejection are proven.",
    "UNVERIFIED": "The provider accepted, but the expected external effect is absent.",
    "RECONCILE_REQUIRED": "The effect may have happened or evidence disagrees, so blind retry remains blocked."
  }
}