{"block":{"chainId":10,"hash":"0x8b1e33fb00621e488fa4c1f0bc3012e5305f3192722f4d8ea1f5cefc090edf33","number":"148362211","timestamp":1772323199},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000001923cbb30578","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":"0x9ce5240876ead799646eb62125801b80834d64121f0a57d3b79541840fc23950","id":"rcpt_9ce5240876ead799646e","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 148362211 --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\":\"0x8b1e33fb00621e488fa4c1f0bc3012e5305f3192722f4d8ea1f5cefc090edf33\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:20:50.361Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x826e5d50ff506e1ac960ea186fd19f0f5eccaffcf312e1357f62a825f57731a6"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2026-02-28 UTC close","unit":"raw","value":"27641532056952"},"v":1}