{"block":{"chainId":42161,"hash":"0xad85fcc800dc2315aad12bbaafba3c713941b92b51b4f9fa11d120b1aeaa53ad","number":"519201155","timestamp":1793231999},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000de3b14c59c9f6d082c09d6","specId":"erc20.totalSupply","to":"0x0a1a1a107e45b7ced86833863f482bc5f4ed82ef"},"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":"0x209bcab19d6543a33e1769aea743e70b4f43d37050386e973e1802d2a054f437","id":"rcpt_209bcab19d6543a33e17","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 0x0a1a1a107e45b7ced86833863f482bc5f4ed82ef \"totalSupply()(uint256)\" --block 519201155 --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\":\"0x0a1a1a107e45b7ced86833863f482bc5f4ed82ef\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0xad85fcc800dc2315aad12bbaafba3c713941b92b51b4f9fa11d120b1aeaa53ad\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T03:08:57.319Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x09bd478b6f767d155ca237df76461020cac60c5afd0ed85148343076d468c671"},"subject":{"label":"USDai totalSupply on Arbitrum One, 2026-10-28 UTC close","unit":"raw","value":"268660534751249872519432662"},"v":1}