{"block":{"chainId":10,"hash":"0x4a1601f28cbc6fa3fe905f6dc5e291bc058bff8949fc87c0ee07da39e5143d19","number":"158816611","timestamp":1793231999},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000010f52ddccb03","specId":"erc20.totalSupply","to":"0x7f5c764cbc14f9669b88837ca1490cca17c31607"},"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":"0x3236776bb54d2f81f85cd3e877ec35128493155b695b83bbcb92dbff0f17a0e0","id":"rcpt_3236776bb54d2f81f85c","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 0x7f5c764cbc14f9669b88837ca1490cca17c31607 \"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\":\"0x7f5c764cbc14f9669b88837ca1490cca17c31607\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x4a1601f28cbc6fa3fe905f6dc5e291bc058bff8949fc87c0ee07da39e5143d19\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T03:09:55.422Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x8a055b24562e7dabf8bc9046afdeec3b42278b5a1d324fd596d924a083d5ecd4"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2026-10-28 UTC close","unit":"raw","value":"18645222476547"},"v":1}