{"block":{"chainId":42161,"hash":"0xa490ca937bd934e516e03f6c06aaf10f2048e463ae6dc52a925788f72c5eee2d","number":"500455224","timestamp":1788220799},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000002db29d5961cb","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":"0x755b8033947f0851d10ad18409e3d5c6c134a4a65eea21caac9a89cbb465c6c6","id":"rcpt_755b8033947f0851d10a","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 500455224 --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\":\"0xa490ca937bd934e516e03f6c06aaf10f2048e463ae6dc52a925788f72c5eee2d\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:09:25.373Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x072241088ad016d022e27824e6e56de8eb3ecd6471ceef118cf5781fb45fd413"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2026-08-31 UTC close","unit":"raw","value":"50245167309259"},"v":1}