{"block":{"chainId":10,"hash":"0xf8a40c384218d4ac1a7f9f09c31fd0fe2168baa983e10b77f7607a3d79f02793","number":"147152611","timestamp":1769903999},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000000bd1964a23ee6","specId":"erc20.totalSupply","to":"0x0b2c639c533813f4aa9d7837caf62653d097ff85"},"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":"0x84f74ea25fcebd3b580e2013e6329e51d2182c2e04c880dfdc678f89b6346ff9","id":"rcpt_84f74ea25fcebd3b580e","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 0x0b2c639c533813f4aa9d7837caf62653d097ff85 \"totalSupply()(uint256)\" --block 147152611 --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\":\"0x0b2c639c533813f4aa9d7837caf62653d097ff85\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0xf8a40c384218d4ac1a7f9f09c31fd0fe2168baa983e10b77f7607a3d79f02793\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:21:51.781Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x8febc967cd222e7bcdf627306a3512ef995b52f4afca2b0db85315942bb52654"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2026-01-31 UTC close","unit":"raw","value":"207916760186598"},"v":1}