{"block":{"chainId":10,"hash":"0x4a1601f28cbc6fa3fe905f6dc5e291bc058bff8949fc87c0ee07da39e5143d19","number":"158816611","timestamp":1793231999},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000000708a5c6dd5cc","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":"0x5ccbdfd3f1acab03a437f3c178e549de1288a18931cd2a986141e99213846652","id":"rcpt_5ccbdfd3f1acab03a437","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 158816611 --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\":\"0x4a1601f28cbc6fa3fe905f6dc5e291bc058bff8949fc87c0ee07da39e5143d19\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T03:09:54.817Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xcaa5c24b4f391c535c81722ed0b715334b0466e85dd416be21d048c7cdffbddc"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2026-10-28 UTC close","unit":"raw","value":"123739558499788"},"v":1}