{"block":{"chainId":1,"hash":"0x63aa93115917c255bcf3d2ff5abfc83a9a8fe5ed72eecd60afffe968da7f7c5a","number":"7156136","timestamp":1548979161},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000117efcf8fefd0","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":"0x68586fc35653315f244a267005aa28c118926f83380540d8891d13751e36e6aa","id":"rcpt_68586fc35653315f244a","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 7156136 --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\":\"0x63aa93115917c255bcf3d2ff5abfc83a9a8fe5ed72eecd60afffe968da7f7c5a\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:52:40.596Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x4b898ca1f8d33a0c2053a682ed031bc8e8e937615cc685b6fa3b5fbac72a943d"},"subject":{"label":"USDC totalSupply on Ethereum, 2019-01-31 UTC close","unit":"raw","value":"307793723650000"},"v":1}