{"block":{"chainId":42161,"hash":"0x77fe6e6ae2e35084212fa5f2dcf7ffe753142b3a926daa9062b6fcf7e2c35cb2","number":"321623267","timestamp":1743465599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000db1e2ad71ca32","specId":"erc20.totalSupply","to":"0xaf88d065e77c8cc2239327c5edb3a432268e5831"},"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":"0x28c945915238193b6b5c091ff167e80e2b674f8f7dd58dc4dd9ccf222d546483","id":"rcpt_28c945915238193b6b5c","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 0xaf88d065e77c8cc2239327c5edb3a432268e5831 \"totalSupply()(uint256)\" --block 321623267 --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\":\"0xaf88d065e77c8cc2239327c5edb3a432268e5831\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x77fe6e6ae2e35084212fa5f2dcf7ffe753142b3a926daa9062b6fcf7e2c35cb2\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:03:17.068Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x71499f276c49f8a4a7b635c69b7460fc9d8540e86c1824b16cb772dec0aadcbb"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2025-03-31 UTC close","unit":"raw","value":"3854761827879474"},"v":1}