{"block":{"chainId":1,"hash":"0xcf2ae1612c55bf36641b5c202c465265090cf9fd531e447ead6e634aba16d0e9","number":"19771559","timestamp":1714521599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000000078edf9019e","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":"0xe5257ff15784798a66b02ff937e56ab85eba316048934904b925b1777d74b40f","id":"rcpt_e5257ff15784798a66b0","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 19771559 --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\":\"0xcf2ae1612c55bf36641b5c202c465265090cf9fd531e447ead6e634aba16d0e9\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:52:35.665Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xc1c49dff7b25fc8926d5867342fa953cd730c07b5181fd7684023434e139d243"},"subject":{"label":"USDC totalSupply on Ethereum, 2024-04-30 UTC close","unit":"raw","value":"519388594590"},"v":1}