{"block":{"chainId":42161,"hash":"0x7e47689f7d4f4d9562092801b2e86cc66945f34374bc2259f030515d299a484c","number":"489802913","timestamp":1785542399},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000002e45a93700ce","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":"0xdd59550950d671c11ec5ee22f9d1512ca34ac316e4906d219d5bb02378913697","id":"rcpt_dd59550950d671c11ec5","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 489802913 --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\":\"0x7e47689f7d4f4d9562092801b2e86cc66945f34374bc2259f030515d299a484c\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:06:51.138Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xd4aefd0f4b25907b8a40a7391b04f08cd6044c9127b1a1b7f9f9aa9e4cab4d5a"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2026-07-31 UTC close","unit":"raw","value":"50876726575310"},"v":1}