{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://eips.ethereum.org/assets/eip-8444/schemas/ai-task.schema.json",
  "title": "application/ai-task+json (draft)",
  "description": "Demand-side ARD entry payload: a tender describing a resource someone will pay for. Valid without any onchain field so that a purely off-chain RFP is a legal entry; onchain facets live in the value: namespace of the enclosing entry.",
  "type": "object",
  "required": ["wants", "bounty"],
  "additionalProperties": true,
  "properties": {
    "wants": {
      "description": "Payload media types the tender will accept as fulfilment.",
      "type": "array",
      "minItems": 1,
      "items": { "type": "string" }
    },
    "specDigest": {
      "description": "Digest of the task specification package, e.g. sha256:<hex>.",
      "type": "string",
      "pattern": "^[a-z0-9]+:[0-9a-fA-F]+$"
    },
    "specURI": { "type": "string", "format": "uri" },
    "bounty": {
      "type": "object",
      "required": ["amount", "currency"],
      "additionalProperties": true,
      "properties": {
        "amount": { "type": "string", "description": "Decimal string in display units." },
        "currency": { "type": "string", "description": "Human-readable currency code, e.g. USDC, USD." },
        "asset": { "type": "string", "description": "CAIP-19 asset identifier when the bounty is an onchain asset." }
      }
    },
    "cadence": {
      "description": "Present for standing (subscription-reverse) tenders paid per delivery per period.",
      "type": "object",
      "required": ["epoch"],
      "properties": {
        "epoch": { "type": "string", "description": "ISO 8601 duration, e.g. PT1H." },
        "epochs": { "type": "integer", "minimum": 1 }
      }
    },
    "cardinality": {
      "type": "string",
      "enum": ["single", "replicated", "collaborative"],
      "default": "single"
    },
    "copies": { "type": "integer", "minimum": 1, "description": "For cardinality = replicated." },
    "acceptance": {
      "type": "object",
      "required": ["mode"],
      "properties": {
        "mode": { "type": "string", "enum": ["verifier", "judge", "collective"] },
        "ref": { "type": "string", "description": "CAIP-10 of the verifier contract, judge, or decision registry." },
        "policyId": { "type": "string", "description": "Decision policy identifier when mode = collective." }
      }
    },
    "deadlines": {
      "type": "object",
      "properties": {
        "submitBy": { "type": "string", "format": "date-time" },
        "settleBy": { "type": "string", "format": "date-time" },
        "judgmentWindow": { "type": "string", "description": "ISO 8601 duration." }
      }
    },
    "eligibility": {
      "type": "object",
      "properties": {
        "credit": {
          "type": "object",
          "required": ["scheme", "minLevel"],
          "properties": {
            "scheme": { "type": "string" },
            "minLevel": { "type": "integer", "minimum": 0 }
          }
        },
        "binding": { "type": "string", "enum": ["verified"] }
      }
    },
    "subcontracting": { "type": "boolean", "default": true },
    "splits": {
      "description": "Allowed payout splitting for collaborative fulfilment.",
      "type": "string",
      "enum": ["none", "fixed", "negotiated"]
    }
  }
}