{"block":{"chainId":1,"hash":"0x5f86ed42a5d64ba3576de73795e99731bf8dbc3c8c5c61f9b79d071afc9cdc1b","number":"15649594","timestamp":1664582399},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000000ed2037aaea","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":"0x7e9cdcf5b8aafe06e589eef51b4fc6069a294986b5e3c00e68911fa8ee694bae","id":"rcpt_7e9cdcf5b8aafe06e589","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 15649594 --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\":\"0x5f86ed42a5d64ba3576de73795e99731bf8dbc3c8c5c61f9b79d071afc9cdc1b\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:49:43.150Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xe15cbb731de65a5a85ddfa100dead3b86bf875035baebfc2f67e83ef9881101f"},"subject":{"label":"USDC totalSupply on Ethereum, 2022-09-30 UTC close","unit":"raw","value":"1018447768298"},"v":1}