{
  "schema": "https://councilof.ai/schema/card-v0.json",
  "surface": "cedulon.recon",
  "subject": "councilof.ai/api/eunomia-data#x402-challenge",
  "as_of": "2026-09-02T03:32:11Z",
  "source_urls": [
    "https://councilof.ai/api/eunomia-data?x402=1",
    "https://github.com/CSOAI-ORG/csoai-coinbase-x402-receipt-mcp"
  ],
  "payload": {
    "x402": {
      "challenge": {
        "challenge_http_status": 402,
        "gate_kind": "x402",
        "lane": "commercial-data",
        "per": "query",
        "network": "base",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "asset_name": "USDC",
        "max_amount_required": "20000",
        "decimals": 6,
        "pay_to": null,
        "resource": "https://councilof.ai/api/eunomia-data",
        "settle_mcp": "https://github.com/CSOAI-ORG/csoai-coinbase-x402-receipt-mcp",
        "x402_version": 1,
        "settlement": "UNCHECKABLE",
        "note": "Live probe only. No payment made. Settlement stays UNCHECKABLE until facilitator receipt exists. Never a GSPC axis fill."
      }
    }
  },
  "sha256": "b2e824194fe5eedef04ea4b26fa6ff533e6be895133205169676b9bb9280618a",
  "sig_ed25519": null,
  "did": "did:web:csoai.org#board-attestation-1",
  "unmeasured": [
    "settlement_receipt",
    "payTo_address",
    "facilitator_attestation",
    "n>=30",
    "4way",
    "keystone"
  ],
  "tags": [
    "x402",
    "eat",
    "unsigned",
    "settlement-uncheckable"
  ]
}