{"block":{"chainId":42161,"hash":"0xb3f265e58b87c48494b1af5bac1690c8ef9430830467e26826f050ca500f928b","number":"196288427","timestamp":1711929599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000012bdade71245c","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":"0x41f1f91e07168bffee4909c2e4690fed17247474edd8200f764a7e702c98fa37","id":"rcpt_41f1f91e07168bffee49","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 196288427 --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\":\"0xb3f265e58b87c48494b1af5bac1690c8ef9430830467e26826f050ca500f928b\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:12:51.514Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x674f080ef44ceace67bf666082d825c9592ca51546e8872da5bfdd4e3f9f2164"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2024-03-31 UTC close","unit":"raw","value":"329694011532380"},"v":1}