{"block":{"chainId":10,"hash":"0x346f33a07d0506108dcd0518e8fb00c3b72ea97c9b73bcf044176364a6cad313","number":"71536574","timestamp":1675209594},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000011936f06d8e83","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":"0x6920f12c6ab36f0b89ee4bb06e81efb05a155f0941fc15acf02b94115d2cf0be","id":"rcpt_6920f12c6ab36f0b89ee","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 71536574 --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\":\"0x346f33a07d0506108dcd0518e8fb00c3b72ea97c9b73bcf044176364a6cad313\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:23:54.220Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xd28d6de734b0991820a5baaf465c5b5f3d02870e1ad4c2e268cca92a54b99c86"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2023-01-31 UTC close","unit":"raw","value":"309198729350787"},"v":1}