{"block":{"chainId":10,"hash":"0xa2c01d526f257257cba3b01863121c4fe0795737fd44786e594fe37adab85ca2","number":"157520611","timestamp":1790639999},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000013432836e667","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":"0x789eaea839412440daeb37d7c545e24f35c4c39a128a1609b1817c05a9292076","id":"rcpt_789eaea839412440daeb","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 157520611 --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\":\"0xa2c01d526f257257cba3b01863121c4fe0795737fd44786e594fe37adab85ca2\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:22:16.490Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xe942c1055524322f5ed6f79bda2bd99ac8408239192e007b088dc0b9218576aa"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2026-09-28 UTC close","unit":"raw","value":"21179158423143"},"v":1}