{"block":{"chainId":42161,"hash":"0x4192d5946e5bf5914670ac85aeb9fea44c81c175c5c571481ee101dde200ba74","number":"374383982","timestamp":1756684799},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000043e8f9c2d13e","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":"0x44363559c6d92be6ded36fa928ef73ef703dd579d07cacf30697117993a921f8","id":"rcpt_44363559c6d92be6ded3","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 374383982 --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\":\"0x4192d5946e5bf5914670ac85aeb9fea44c81c175c5c571481ee101dde200ba74\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:04:49.263Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x93b11d818d760cfb8fe3814594432e16a51d659651d8dd3f5180bb44f39c4176"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2025-08-31 UTC close","unit":"raw","value":"74667901767998"},"v":1}