{"block":{"chainId":10,"hash":"0x4c3a475f53a4ee16d1356e196636cabcac81e342d58972346fd4d5aeba279d02","number":"133933411","timestamp":1743465599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000033c5cf6ebe37","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":"0x2b9d2e3d9579a4af54005046597bc00b7b41a963c940e925bdc7723d971651c1","id":"rcpt_2b9d2e3d9579a4af5400","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 133933411 --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\":\"0x4c3a475f53a4ee16d1356e196636cabcac81e342d58972346fd4d5aeba279d02\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:22:34.141Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xacfc34a88afb79a28695b42f8c117919de9c40351641057ce7c154b6134f319a"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2025-03-31 UTC close","unit":"raw","value":"56924681715255"},"v":1}