{"block":{"chainId":10,"hash":"0x129fea34b2fe47294dc056c50954399b7b6402bc375db01095a31a84ee973364","number":"154971811","timestamp":1785542399},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000013bb02ca7622","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":"0x6d31378cc333acf2108fb2bcb59912bfcb649057a1fc4c08f4c31fc4b7075a3f","id":"rcpt_6d31378cc333acf2108f","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 154971811 --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\":\"0x129fea34b2fe47294dc056c50954399b7b6402bc375db01095a31a84ee973364\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:26:08.767Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x3d862f60641afeaf5ee49161fb5afb2226d8803388e4710750a92cc6c1ea13a7"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2026-07-31 UTC close","unit":"raw","value":"21693926635042"},"v":1}