{"block":{"chainId":42161,"hash":"0xaac8a13db067169e3fafbb0938c6288211fb4e48a0a232e9493f7413f72be7ed","number":"19075859","timestamp":1659311972},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000002bf5448a217d2","specId":"erc20.totalSupply","to":"0xff970a61a04b1ca14834a43f5de4533ebddb5cc8"},"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":"0xf5c8a7fde61269372372fee91cf3365965b68573d3075f28627827356b28c53d","id":"rcpt_f5c8a7fde61269372372","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 0xff970a61a04b1ca14834a43f5de4533ebddb5cc8 \"totalSupply()(uint256)\" --block 19075859 --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\":\"0xff970a61a04b1ca14834a43f5de4533ebddb5cc8\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0xaac8a13db067169e3fafbb0938c6288211fb4e48a0a232e9493f7413f72be7ed\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:07:45.018Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xc1348f2129ddb56b53fd36013c310f1df7435ac970f6e36bfec9c6d7316a292f"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2022-07-31 UTC close","unit":"raw","value":"773318670161874"},"v":1}