{"block":{"chainId":10,"hash":"0xa114b242a10ba85b33bc0979ed8c6fe7016b0a004f1ee88817f2266ae5327747","number":"144474211","timestamp":1764547199},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000000bd24660b90a9","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":"0x2f26c370c063b1c1617e413a9bcd61365b7e71e4a136dbcfdcf8ee9aea0d1f87","id":"rcpt_2f26c370c063b1c1617e","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 144474211 --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\":\"0xa114b242a10ba85b33bc0979ed8c6fe7016b0a004f1ee88817f2266ae5327747\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:25:48.576Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x060a6d39e1dcfa05fa0f17d2cb7e74b1f0b89156a54b9712a7644f3eb62ca201"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2025-11-30 UTC close","unit":"raw","value":"207964028506281"},"v":1}