{"block":{"chainId":10,"hash":"0x6a50f3fd4b3974d29fbc9e07fd26712d731322c9f442eb013de105bb2865b7da","number":"140543011","timestamp":1756684799},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000029a5429da54f","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":"0x30fe5cb477a76a62e99499902c6ccfe4a1b90a13226b8890eeebfa6afe03b66a","id":"rcpt_30fe5cb477a76a62e994","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 140543011 --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\":\"0x6a50f3fd4b3974d29fbc9e07fd26712d731322c9f442eb013de105bb2865b7da\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:22:33.044Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x6165e16397fb6a62d8bae64629b4a55e642a6a4e9a57aea2825a9f24d21b3072"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2025-08-31 UTC close","unit":"raw","value":"45789763970383"},"v":1}