{"block":{"chainId":10,"hash":"0x3e0cc5928d45d61c8cfd58e07d778435c6640d9483e1a4743bb4efe8a0b391c0","number":"108963811","timestamp":1693526399},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000000001b45541e","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":"0x666c1cef7b763c5cab9a74d7c325e8efd4a456661f594574fcb61e66356cdbc3","id":"rcpt_666c1cef7b763c5cab9a","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 108963811 --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\":\"0x3e0cc5928d45d61c8cfd58e07d778435c6640d9483e1a4743bb4efe8a0b391c0\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:21:04.995Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x2aafde0f349d15ef93b0c55c2de9ddd6ff0eab877b9dc3f7dd39601e27e336cb"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2023-08-31 UTC close","unit":"raw","value":"457528350"},"v":1}