{"block":{"chainId":42161,"hash":"0xca44cef84963841f117dea62c111c368d1be6cca5e0a22555b776d52cf0d084e","number":"310947139","timestamp":1740787199},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000006490658587d6","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":"0x163d5073b4a09fd1c33f3575706c9a67f8054a37d3b3a4c7c1380ab4f6b670a9","id":"rcpt_163d5073b4a09fd1c33f","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 310947139 --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\":\"0xca44cef84963841f117dea62c111c368d1be6cca5e0a22555b776d52cf0d084e\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:01:37.067Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x2d516c49bc77ba2c457722ea8925dbb7b076bb041c3cd5f037a3ed10f4e77d49"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2025-02-28 UTC close","unit":"raw","value":"110571341318102"},"v":1}