{"block":{"chainId":10,"hash":"0x9c42993911a62f733277f3b756b063a19f754a64b0342576a9309247172e6cb1","number":"636341","timestamp":1638316637},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000013d8c730c306","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":"0x65adb83fe3febf5b4bdbd7741e979c48b708bdc1e9f44de5579c5a0b7bb151c7","id":"rcpt_65adb83fe3febf5b4bdb","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 636341 --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\":\"0x9c42993911a62f733277f3b756b063a19f754a64b0342576a9309247172e6cb1\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:22:53.408Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x3116d6e8b00a3c44ee89c2d50668f09fc368039fab25084c428d2c79a6c61354"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2021-11-30 UTC close","unit":"raw","value":"21821775725318"},"v":1}