{"block":{"chainId":1,"hash":"0x7079b7e7f1d18892c5c43445b8b79c9455a7ff5c3f507a6faccb4e65ed4111d4","number":"19557288","timestamp":1711929599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000000731bdb479e","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":"0xdf6873487b16ab7300882761fd53164c27d4df7c77847b448c7dc924bf3ec36e","id":"rcpt_df6873487b16ab730088","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 19557288 --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\":\"0x7079b7e7f1d18892c5c43445b8b79c9455a7ff5c3f507a6faccb4e65ed4111d4\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:59:14.453Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x86c05021de7e1b4949847a27c460e41d9d683406460c1757fc70b56d394c5195"},"subject":{"label":"USDC totalSupply on Ethereum, 2024-03-31 UTC close","unit":"raw","value":"494388594590"},"v":1}