{"block":{"chainId":42161,"hash":"0xe303f16943eef87776012f229f1b5bcf234aab71944f0980f706ce4179d2dc49","number":"427315178","timestamp":1769903999},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000161db1449ba3f7","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":"0xee8842cc526caff464e7f591d57a136485e687d39b7c4b0ee2bf8f833ac660a1","id":"rcpt_ee8842cc526caff464e7","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 427315178 --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\":\"0xe303f16943eef87776012f229f1b5bcf234aab71944f0980f706ce4179d2dc49\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:03:28.830Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xab8f6ae8989f6cf2625a333b834b0be804061e4ed5f0d84e59600c68e20c2cfb"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2026-01-31 UTC close","unit":"raw","value":"6225096685102071"},"v":1}