{"block":{"chainId":42161,"hash":"0x0585163d630c39dfeb239466c8a08f41da0050a221b04cb63dcb7622bd496b5f","number":"458085623","timestamp":1777593599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000000302ce7c6c792","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":"0xac0447d2e8ae7872d8e2b82817e769ba52d7adc5fda4277506e0cefc264ee057","id":"rcpt_ac0447d2e8ae7872d8e2","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 458085623 --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\":\"0x0585163d630c39dfeb239466c8a08f41da0050a221b04cb63dcb7622bd496b5f\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:04:29.061Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xb43db84646699ddeda8883161dc3a711c942ac71c49f3bfcdfab72db2f682c1f"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2026-04-30 UTC close","unit":"raw","value":"52969425258386"},"v":1}