{"block":{"chainId":42161,"hash":"0x38359b39701678c3da85b4bacf5f19e63b370297ab3767d5d0e52d209dba6e64","number":"259085543","timestamp":1727740799},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000000b9bb734ed9d5","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":"0xf35328b8ef4bd7225b00377ecfd3501ae054c25a10678e2e9424e92250d5a63c","id":"rcpt_f35328b8ef4bd7225b00","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 259085543 --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\":\"0x38359b39701678c3da85b4bacf5f19e63b370297ab3767d5d0e52d209dba6e64\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:01:25.916Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xe1d357c1ab78caaa5806261f7f72eaff421a9f55260892911b1ad2e63497da57"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2024-09-30 UTC close","unit":"raw","value":"204214744570325"},"v":1}