{"block":{"chainId":10,"hash":"0xa3d71a1f59af520d537aa15e830a03f1e21d248e6de3507f81aab0c68c504d97","number":"135229411","timestamp":1746057599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000003310f5f2f90e","specId":"erc20.totalSupply","to":"0x7f5c764cbc14f9669b88837ca1490cca17c31607"},"checks":[{"detail":"eth_call totalSupply() at the day's last block, by block number, on one archive RPC provider; responseHash is sha256 of the response text as landed","name":"rpc","status":"pass"},{"detail":"block hash and timestamp from eth_getBlockByNumber at that block number on the same provider","name":"block-header","status":"pass"}],"hash":"0x1fb5fd4442e8854cfb65dede0086fba81fd314d9a3a172f16ea7c02b523a9cce","id":"rcpt_1fb5fd4442e8854cfb65","kind":"eth_call","lineage":{"inputs":[],"transform":{"expression":"total_supply_raw = uint256(result); total_supply = total_supply_raw / 10^decimals","name":"erc20.totalSupply","version":"1"}},"proofLevel":1,"reproduce":{"cast":"cast call 0x7f5c764cbc14f9669b88837ca1490cca17c31607 \"totalSupply()(uint256)\" --block 135229411 --rpc-url $RPC_URL","curl":"curl -s -X POST \"$RPC_URL\" -H 'content-type: application/json' --data '{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"eth_call\",\"params\":[{\"to\":\"0x7f5c764cbc14f9669b88837ca1490cca17c31607\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0xa3d71a1f59af520d537aa15e830a03f1e21d248e6de3507f81aab0c68c504d97\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:23:44.284Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xf5a7756dc57e1dd855eb9e2d6137bb586791340e19b71bf85308f3bd6a0cd735"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2025-04-30 UTC close","unit":"raw","value":"56147938834702"},"v":1}