{"block":{"chainId":42161,"hash":"0xf9218ed9beac813b630c25b80f1b6432ba0edf2b934c688ab9ae9262f198ce4e","number":"479089705","timestamp":1782863999},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000002cf0f225eaae","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":"0x04328e6b584ac5d534c8c227cc0843c076b5da4562525b1296d750ca67a94021","id":"rcpt_04328e6b584ac5d534c8","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 479089705 --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\":\"0xf9218ed9beac813b630c25b80f1b6432ba0edf2b934c688ab9ae9262f198ce4e\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:05:43.238Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xdfc0cc4a303130a6803c377514efcb852673f40338034605112daedd58e69f01"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2026-06-30 UTC close","unit":"raw","value":"49413366344366"},"v":1}