{"block":{"chainId":8453,"hash":"0x2b3320897a0259e7fe2c37e05c2cdbbbab4549646ab803b5fba3479d852b375e","number":"51925326","timestamp":1790639999},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000f764eae1f08e4","specId":"erc20.totalSupply","to":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913"},"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":"0x41602d3b6715da9600d51298c5b884c4304343b64cee43d32d6c43ed4a9cfcbb","id":"rcpt_41602d3b6715da9600d5","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 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 \"totalSupply()(uint256)\" --block 51925326 --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\":\"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x2b3320897a0259e7fe2c37e05c2cdbbbab4549646ab803b5fba3479d852b375e\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:09:46.951Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x83286edcbedfd70053478d4603413e55756c67027658d165cb7cb74722c38e7f"},"subject":{"label":"USDC totalSupply on Base, 2026-09-28 UTC close","unit":"raw","value":"4352204951455972"},"v":1}