{"block":{"chainId":1,"hash":"0x144bb3bc6f3294f8815c323209eb76890c9ff8776f72e8f57e6ffdbf2e286e79","number":"6430272","timestamp":1538351983},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000006d4f5c71b60","specId":"erc20.totalSupply","to":"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"},"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":"0x4c4eddbd1f3ad3b3d8a399d69463481e13d3f8543e7bf7cbef74a06d4bab10ea","id":"rcpt_4c4eddbd1f3ad3b3d8a3","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 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48 \"totalSupply()(uint256)\" --block 6430272 --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\":\"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x144bb3bc6f3294f8815c323209eb76890c9ff8776f72e8f57e6ffdbf2e286e79\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:54:38.395Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xfd5ba036eae2d71a9ab990642cfc659eeaed44d5c79a583bf78a4e0443b6d160"},"subject":{"label":"USDC totalSupply on Ethereum, 2018-09-30 UTC close","unit":"raw","value":"7511726300000"},"v":1}