{"block":{"chainId":42161,"hash":"0x4192d5946e5bf5914670ac85aeb9fea44c81c175c5c571481ee101dde200ba74","number":"374383982","timestamp":1756684799},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000001b1a63c2f8860f","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":"0x22c0674f983003c1ef35269c36f7e6f02c0bf7ad73fa1c2dc43b1d0dbeb14657","id":"rcpt_22c0674f983003c1ef35","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 374383982 --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\":\"0x4192d5946e5bf5914670ac85aeb9fea44c81c175c5c571481ee101dde200ba74\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:13:14.114Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x9cfc60598ad09d6bfb56f86e8f685559256641945f2ae17ffa3e7673f71487c8"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2025-08-31 UTC close","unit":"raw","value":"7628840146339343"},"v":1}