{"block":{"chainId":10,"hash":"0x1e26a4283c3d54f91d04ad1350ed7f0ad30467253e57c4ca0728117c08819ac4","number":"157607011","timestamp":1790812799},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000001331e056bfe8","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":"0xea9c58dd682610e676e8a3d6c3b7457e8ca8552418c48b55c2d0d156aa0f51d5","id":"rcpt_ea9c58dd682610e676e8","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 157607011 --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\":\"0x1e26a4283c3d54f91d04ad1350ed7f0ad30467253e57c4ca0728117c08819ac4\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:23:04.429Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x8646a7086f7614a96aa10ef0fa77e252c64aa5e17ae2cb41acfda0dbc718ebf9"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2026-09-30 UTC close","unit":"raw","value":"21104938106856"},"v":1}