{"block":{"chainId":42161,"hash":"0xba3e836d27b5043ac8c0bce24a19cee517cd534a7fa46d9c6dea614af3d9d653","number":"4221289","timestamp":1640995172},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000011bbbdeda7f5b","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":"0x45773894242c9db82ae157d42a661408072c388638bf193605f988619024b195","id":"rcpt_45773894242c9db82ae1","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 4221289 --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\":\"0xba3e836d27b5043ac8c0bce24a19cee517cd534a7fa46d9c6dea614af3d9d653\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:11:53.621Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x5c622cb4684f0bec63a805769cbe7d1fee933d11605452f3141aca58c1c6c24b"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2021-12-31 UTC close","unit":"raw","value":"311968688406363"},"v":1}