{"block":{"chainId":1,"hash":"0xbb19f51f3db5ede37f437cdae4466bba074fdee561d7a1d33b257233c4bb4d72","number":"20429972","timestamp":1722470399},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000000078ac879491","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":"0xe2b226f4054a6efb0b05653397bf99b4df557ede78631923301f6f74bc111c0d","id":"rcpt_e2b226f4054a6efb0b05","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 20429972 --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\":\"0xbb19f51f3db5ede37f437cdae4466bba074fdee561d7a1d33b257233c4bb4d72\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:52:38.313Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x960a2859f75760ec048d455b2163eb547fb9d2885ef831b577b808945f9ceab5"},"subject":{"label":"USDC totalSupply on Ethereum, 2024-07-31 UTC close","unit":"raw","value":"518290642065"},"v":1}