{
  "version": "2026-06-02",
  "title": "QUAD public interface contract register",
  "owner": "uquad.org main website",
  "source_class": "static public interface contract register",
  "freshness": "Static fallback. Verify current contract state on the owning surface before quoting live route status.",
  "boundary": "This file describes public interface meaning, versioning, evidence classes, and refusal boundaries. It does not prove live interop, current chain state, custody, admission, settlement, liquidity, launch status, sale access, reward eligibility, allocation, private support, or economic activation.",
  "global_rules": [
    "A matching field name is not live interop.",
    "Packet delivery is not destination admission.",
    "Receipt presence is not cross-chain authority.",
    "Motion is not settlement truth.",
    "Static schema is not live telemetry.",
    "If current owner state cannot be read, say it cannot be verified."
  ],
  "status_labels": [
    "described",
    "static_contract",
    "owner_published",
    "observed",
    "staged",
    "closed",
    "stale",
    "refused",
    "quarantined",
    "terminal",
    "cannot_verify"
  ],
  "schema_families": [
    {
      "family": "packet",
      "minimum_public_fields": [
        "contract_id",
        "schema_version",
        "owner_surface",
        "source_surface",
        "destination_surface",
        "packet_class",
        "replay_domain",
        "timeout_policy",
        "status",
        "must_not_infer"
      ]
    },
    {
      "family": "receipt",
      "minimum_public_fields": [
        "receipt_id",
        "owner_surface",
        "event_class",
        "proof_class",
        "freshness",
        "payload_boundary",
        "verifier_url",
        "must_not_infer"
      ]
    },
    {
      "family": "acknowledgement",
      "minimum_public_fields": [
        "ack_id",
        "owner_surface",
        "source_receipt_id",
        "ack_state",
        "finality_scope",
        "refusal_reason",
        "must_not_infer"
      ]
    },
    {
      "family": "refusal",
      "minimum_public_fields": [
        "refusal_id",
        "owner_surface",
        "refusal_class",
        "reason_code",
        "retry_policy",
        "terminal_state",
        "must_not_infer"
      ]
    },
    {
      "family": "quarantine",
      "minimum_public_fields": [
        "quarantine_id",
        "owner_surface",
        "origin_surface",
        "held_class",
        "clearance_state",
        "terminal_state",
        "must_not_infer"
      ]
    },
    {
      "family": "export",
      "minimum_public_fields": [
        "export_id",
        "owner_surface",
        "source_class",
        "schema_version",
        "freshness",
        "source_url",
        "boundary"
      ]
    }
  ],
  "contracts": [
    {
      "contract_id": "core-bridgechain-receiver-v1",
      "schema_version": "1.0-static",
      "owner_surface": "Core",
      "direction": "Bridge to Core receiver evidence",
      "family": [
        "packet",
        "receipt",
        "quarantine",
        "refusal"
      ],
      "public_routes": [
        "https://core.uquad.org/receipts",
        "https://core.uquad.org/index/bridgechain-deliveries.json"
      ],
      "evidence_class": "receiver_receipt_and_quarantine_state",
      "status": "owner_published_where_route_is_readable",
      "replay_domain": "Core receiver domain",
      "timeout_policy": "Owner route defines current timeout or refusal state where published.",
      "must_not_infer": [
        "Treasury admission",
        "Alloc admission",
        "Mint authority",
        "Foundation spend authority",
        "ordinary-account spendability",
        "sale access",
        "liquidity",
        "production value movement",
        "mainnet activation"
      ]
    },
    {
      "contract_id": "infra-work-receipt-v1",
      "schema_version": "1.0-static",
      "owner_surface": "Infra",
      "direction": "request to Infra service receipt",
      "family": [
        "quote",
        "receipt",
        "proof",
        "refusal",
        "export"
      ],
      "public_routes": [
        "https://infra.uquad.org/",
        "https://infra.uquad.org/upload",
        "https://infra.uquad.org/verify",
        "https://infra.uquad.org/download",
        "https://infra.uquad.org/proof"
      ],
      "evidence_class": "bounded_service_receipt",
      "status": "owner_published_where_route_is_open",
      "replay_domain": "Infra service and receipt domain",
      "timeout_policy": "Quote expiry, stale receipt, refusal, or terminal state belongs to Infra.",
      "must_not_infer": [
        "payload truth",
        "Core value",
        "Bridge finality",
        "Liquid settlement",
        "reserve backing",
        "raw compute rewards",
        "node earning",
        "airdrop eligibility"
      ]
    },
    {
      "contract_id": "bridge-passage-v1",
      "schema_version": "1.0-static",
      "owner_surface": "Bridge",
      "direction": "source intent to passage evidence",
      "family": [
        "packet",
        "receipt",
        "acknowledgement",
        "refusal",
        "export"
      ],
      "public_routes": [
        "https://bridge.uquad.org/product",
        "https://bridge.uquad.org/acquisition",
        "https://bridge.uquad.org/ledger",
        "https://bridge.uquad.org/inventory",
        "https://bridge.uquad.org/vaults",
        "https://bridge.uquad.org/gates",
        "https://bridge.uquad.org/proof"
      ],
      "evidence_class": "passage_posture_and_route_receipt",
      "status": "movement_closed_until_owner_evidence_says_otherwise",
      "replay_domain": "Bridge route and host-evidence domain",
      "timeout_policy": "Route timeout, refund, surplus, refusal, or quarantine belongs to Bridge.",
      "must_not_infer": [
        "destination admission",
        "wrapper minting",
        "redemption",
        "live swap access",
        "host asset custody",
        "open public movement",
        "Core admission",
        "Liquid settlement"
      ]
    },
    {
      "contract_id": "liquid-motion-v1",
      "schema_version": "1.0-static",
      "owner_surface": "Liquid",
      "direction": "motion event to settlement-request posture",
      "family": [
        "packet",
        "receipt",
        "acknowledgement",
        "refusal",
        "export"
      ],
      "public_routes": [
        "https://liquid.uquad.org/",
        "https://liquid.uquad.org/data/liquid-stats.json",
        "https://liquid.uquad.org/data/liquid-motion.json",
        "https://liquid.uquad.org/endpoint-contract.json"
      ],
      "evidence_class": "motion_position_risk_and_settlement_request",
      "status": "market_closed_until_owner_evidence_says_otherwise",
      "replay_domain": "Liquid motion and settlement-request domain",
      "timeout_policy": "Order, position, wrapper, settlement-request, refusal, or terminal state belongs to Liquid.",
      "must_not_infer": [
        "final settlement",
        "Core worth",
        "live trading",
        "yield",
        "guaranteed execution",
        "reserve quality",
        "redemption",
        "investment strategy"
      ]
    },
    {
      "contract_id": "main-website-release-v1",
      "schema_version": "1.0-static",
      "owner_surface": "Main website",
      "direction": "source package to static release artifact",
      "family": [
        "export",
        "receipt"
      ],
      "public_routes": [
        "https://uquad.org/summary.txt",
        "https://uquad.org/llms.txt",
        "https://uquad.org/sitemap.xml",
        "https://uquad.org/data/stack-dependencies.json",
        "https://uquad.org/data/interface-contracts.json"
      ],
      "evidence_class": "static_release_contract",
      "status": "static_public_guidance",
      "replay_domain": "Main-domain release artifact domain",
      "timeout_policy": "Superseded artifacts remain historical and should not be quoted as current upload state.",
      "must_not_infer": [
        "Hostinger upload",
        "live URL propagation",
        "current chain state",
        "subdomain deployment",
        "external endorsement",
        "economic activation",
        "market access"
      ]
    }
  ]
}