{"block":{"chainId":10,"hash":"0x16fd63d9a858508509568d20421081569f7f96457dffe830faf0876a63dd7ac4","number":"4005036","timestamp":1646092783},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000034a67c16f70b","specId":"erc20.totalSupply","to":"0x7f5c764cbc14f9669b88837ca1490cca17c31607"},"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":"0x768fee1aac1a5cfaff32421d649f58141776ca3da5301f44f78dfc4e187d4c87","id":"rcpt_768fee1aac1a5cfaff32","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 0x7f5c764cbc14f9669b88837ca1490cca17c31607 \"totalSupply()(uint256)\" --block 4005036 --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\":\"0x7f5c764cbc14f9669b88837ca1490cca17c31607\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x16fd63d9a858508509568d20421081569f7f96457dffe830faf0876a63dd7ac4\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:22:48.252Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x6baf569f1860a44d6fa61e2091c4445f551b570e1df37077c089e0efa365dbb6"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2022-02-28 UTC close","unit":"raw","value":"57889651095307"},"v":1}