{"block":{"chainId":10,"hash":"0xf9f2a2b1e909679ba18f67991fd1c90b2a411f423d6439411ac35e0ea32be649","number":"152336611","timestamp":1780271999},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000000acb8bbf90ce6","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":"0x3bc7e1b2bec25081f88558076e4c9740ee6d8ef715459f38ec2ebbcfe9701a52","id":"rcpt_3bc7e1b2bec25081f885","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 152336611 --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\":\"0xf9f2a2b1e909679ba18f67991fd1c90b2a411f423d6439411ac35e0ea32be649\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:26:05.907Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xa2503afdada9cb9814ef21bcecc8f14cfb332b1784eb949e95c3d865a3f8b2c4"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2026-05-31 UTC close","unit":"raw","value":"189909427621094"},"v":1}