{"block":{"chainId":10,"hash":"0xe671366221fb2828abcd019f7cbdbf93a06801b695733e71cd93a47f05066991","number":"107624611","timestamp":1690847999},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000000001111f6f0","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":"0xae316aa47cef8c7fd673cd0f4cfba28cd68aefb0e1412bac0a20e56142eac6fe","id":"rcpt_ae316aa47cef8c7fd673","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 107624611 --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\":\"0xe671366221fb2828abcd019f7cbdbf93a06801b695733e71cd93a47f05066991\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:21:09.518Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xd437d618c8b8648aeca187f6a093fad9581d51546d52c2ec81a3e4edc1912c94"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2023-07-31 UTC close","unit":"raw","value":"286390000"},"v":1}