{"block":{"chainId":10,"hash":"0x9239c33fae58c6de228764051f6efc0b253a9b687e8c49ec38435d2ed6a8f54b","number":"156311011","timestamp":1788220799},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000012ae38416895","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":"0xea62a3cf6b14bbe68de99fb2a823998e32dab333bbb098c868c7d5da3a1800a8","id":"rcpt_ea62a3cf6b14bbe68de9","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 156311011 --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\":\"0x9239c33fae58c6de228764051f6efc0b253a9b687e8c49ec38435d2ed6a8f54b\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:22:47.223Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x39ea424f285f1a1ead7e69aed4ae1644997db19b03dd513872426f5048ca05a2"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2026-08-31 UTC close","unit":"raw","value":"20539477420181"},"v":1}