{"block":{"chainId":1,"hash":"0xfdb3fa01ac61db44fc022c9f523f3d0e281f6a89821fb57c599b816eeefcb757","number":"18251964","timestamp":1696118399},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000000007272c86bcd","specId":"erc20.totalSupply","to":"0x566957ef80f9fd5526cd2bef8be67035c0b81130"},"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":"0x015bdc687a0186477120241af080e75e0ca11b1abac34f7b14470edb3fd0c8f4","id":"rcpt_015bdc687a0186477120","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 0x566957ef80f9fd5526cd2bef8be67035c0b81130 \"totalSupply()(uint256)\" --block 18251964 --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\":\"0x566957ef80f9fd5526cd2bef8be67035c0b81130\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0xfdb3fa01ac61db44fc022c9f523f3d0e281f6a89821fb57c599b816eeefcb757\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:55:57.804Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xce24afb8a3b3c41fd8b360b944304b78c538f43b3a09649ff0f9b08eb7606889"},"subject":{"label":"USDC totalSupply on Ethereum, 2023-09-30 UTC close","unit":"raw","value":"491552009165"},"v":1}