{"block":{"chainId":1,"hash":"0x1e03278264a5a5fd31b1178e3895e05e9eeb786ce95bd8b0465b116ae55e206c","number":"18037987","timestamp":1693526399},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000000072ba23f145","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":"0x12241e27510ba58afb5cc42a1824992e5041dbdf0f50c7ea5a1dd0f90451fc39","id":"rcpt_12241e27510ba58afb5c","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 18037987 --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\":\"0x1e03278264a5a5fd31b1178e3895e05e9eeb786ce95bd8b0465b116ae55e206c\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:58:45.882Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xbe9b1ad025e6e4371b5d7c7106990d38853e2974ceac1a34621617dd85bcd73c"},"subject":{"label":"USDC totalSupply on Ethereum, 2023-08-31 UTC close","unit":"raw","value":"492749189445"},"v":1}