{"block":{"chainId":10,"hash":"0x08bbe3d82c9b513b991ec20b1c92caea8e42f50ce48e5f22039569035bb12e2a","number":"103410690","timestamp":1685577591},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000000001437a0f0","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":"0xa7b0526dda39e2c54463d6bad694452b8504afdd73b23cefc57c6022cf6e1b18","id":"rcpt_a7b0526dda39e2c54463","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 103410690 --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\":\"0x08bbe3d82c9b513b991ec20b1c92caea8e42f50ce48e5f22039569035bb12e2a\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:25:53.637Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x3f289d92f5fb70c73b62fa761b63404c1bc2b90fb63a9b9a7c0ba04cea8b4909"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2023-05-31 UTC close","unit":"raw","value":"339190000"},"v":1}