{"block":{"chainId":10,"hash":"0x9fe06707ee58d737707a6438c77dafb970c628e384a8b0178cc1eb2959abb60b","number":"21406455","timestamp":1661990395},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000015faec9eb2cfa","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":"0xc0e8b88a6c18b940d8b1b88c385906ba334f722da8d2f35a519b3beffb78588a","id":"rcpt_c0e8b88a6c18b940d8b1","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 21406455 --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\":\"0x9fe06707ee58d737707a6438c77dafb970c628e384a8b0178cc1eb2959abb60b\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:24:26.256Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xf06fd23b21d3c7dfdaaea7656e06b58905313d0a059241455d0d4fd7f3dba1e1"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2022-08-31 UTC close","unit":"raw","value":"386679293291770"},"v":1}