{"block":{"chainId":10,"hash":"0x1bb0b541ef348c4ebae3bab69134e44280906fdb36f089fcbadad0ef8e19dd63","number":"132594211","timestamp":1740787199},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000000d2db4990fdba","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":"0xb24b75ddc388af08c953c314cd56d9ac50897ac4fb672aa1b5dcbf66c6b16ad9","id":"rcpt_b24b75ddc388af08c953","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 132594211 --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\":\"0x1bb0b541ef348c4ebae3bab69134e44280906fdb36f089fcbadad0ef8e19dd63\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:26:01.542Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x07c621d7f6704ea81173f8ec72eea330317aac24afdea279d463c5260df72c10"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2025-02-28 UTC close","unit":"raw","value":"231839273909690"},"v":1}