{"block":{"chainId":10,"hash":"0x4c3a475f53a4ee16d1356e196636cabcac81e342d58972346fd4d5aeba279d02","number":"133933411","timestamp":1743465599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000000d68f86d30697","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":"0xc936ec3ecf87f0f14944322480c799b2ae6ee571d5f18267481d8e70e8c9ad65","id":"rcpt_c936ec3ecf87f0f14944","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 133933411 --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\":\"0x4c3a475f53a4ee16d1356e196636cabcac81e342d58972346fd4d5aeba279d02\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:25:08.876Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xd6869c363b9284fa278be0cae5d45249d7dcb734433c4a7cc1d261c3b5beccff"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2025-03-31 UTC close","unit":"raw","value":"235911930644119"},"v":1}