{
  "schema": "csoai.wrapper-parity/0.1",
  "kind": "preview",
  "card": {
    "schema": "https://councilof.ai/schema/card-v0.json",
    "surface": "public.notice",
    "subject": "wrapped USDC.e on optimism vs OP Mainnet L1StandardBridge — ESCROW_PARITY_READ",
    "as_of": "2026-09-28T20:05:03Z",
    "source_urls": [
      "https://mainnet.optimism.io",
      "https://eth.drpc.org"
    ],
    "payload": {
      "kind": "csoai.wrapper.parity/0.1",
      "attests": "point-in-time reads at the pinned blocks named below — a ratio, not a rate, not a grade, not a reserve attestation, not a certificate",
      "id": "usdc.e:optimism",
      "backing_model": "escrow",
      "wrapped": {
        "chain": "optimism",
        "symbol": "USDC.e",
        "address": "0x7F5c764cBc14f9669B88837ca1490cCa17c31607",
        "chainId": 10,
        "rpc": "https://mainnet.optimism.io",
        "block": {
          "number": 157512916,
          "hex": "0x96374d4",
          "hash": "0x9ecc365bfc2aff9dae2c30eaaaec0f64022f20f4015313e1aabacfb71a6a47fe",
          "timestamp": 1790624609,
          "finality": "RPC_FINALIZED_TAG_PROVIDER_REPORTED_NOT_INDEPENDENTLY_PROVEN_FINAL"
        }
      },
      "canonical": {
        "chain": "ethereum",
        "symbol": "USDC",
        "address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
        "chainId": 1,
        "rpc": "https://eth.drpc.org",
        "block": {
          "number": 26078140,
          "hex": "0x18debbc",
          "hash": "0x4222dff5da47030cc6288f26f43f66357159cff19ae2608b333f5d1a3337004f",
          "timestamp": 1790624855,
          "finality": "RPC_FINALIZED_TAG_PROVIDER_REPORTED_NOT_INDEPENDENTLY_PROVEN_FINAL"
        }
      },
      "escrow": "0x99C9fc46f92E8a1c0deC1b1747d010903E884bE1",
      "escrow_name": "OP Mainnet L1StandardBridge",
      "note": null,
      "fetched_at": "2026-09-28T20:05:03Z",
      "reads": {
        "wrapped_total_supply": {
          "query": "totalSupply()",
          "atomic": "21179158423143",
          "normalized": "21179158.423143",
          "decimals": 6
        },
        "escrow_balance": {
          "query": "balanceOf(0x99C9fc46f92E8a1c0deC1b1747d010903E884bE1)",
          "atomic": "25571254937198",
          "normalized": "25571254.937198",
          "decimals": 6
        }
      },
      "state": "ESCROW_PARITY_READ",
      "escrow_over_wrapped": "1.207378",
      "unmeasured": []
    },
    "tags": [
      "eater:wrapper-parity",
      "axis:distribution-integrity",
      "backing:escrow",
      "state:ESCROW_PARITY_READ"
    ],
    "unmeasured": [],
    "did_intended": "did:web:csoai.org#board-attestation-1",
    "preview": true,
    "preview_note": "unsigned preview — no signature, no raw-read hashes. The signed pack (same schema, sig_ed25519 + inputs_sha256 + per-read sha256) is the metered artefact."
  },
  "buy": {
    "resource": "https://councilof-ai.pages.dev/api/wrapper?id=usdc.e%3Aoptimism",
    "how": "GET the resource → 402 → pay accepts[] (x402) → retry with X-PAYMENT",
    "catalog": "https://councilof-ai.pages.dev/api/x402"
  },
  "rail": {
    "mode": "live",
    "pay_to_configured": true,
    "facilitator_configured": true,
    "note": "A settled receipt (facilitator /verify then /settle) unlocks the paid artefact. Verification of every artefact stays free."
  }
}