{"block":{"chainId":1,"hash":"0xb69333ba2d1b08e57f6595113f18c7a1d3584c6eabb51f71b5d8381cc84e73a8","number":"21747949","timestamp":1738367999},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000079c1833b78a933","specId":"erc20.totalSupply","to":"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"},"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":"0x1f057fe9d06d3ca77fb7512b0e0562720fa5ce8407748ebb0cba5362bf022354","id":"rcpt_1f057fe9d06d3ca77fb7","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 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48 \"totalSupply()(uint256)\" --block 21747949 --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\":\"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0xb69333ba2d1b08e57f6595113f18c7a1d3584c6eabb51f71b5d8381cc84e73a8\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:57:00.067Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xd1a4b5c859eb1bdd888037d27b5e4fc0bb871375549f0775415930e63d8c7745"},"subject":{"label":"USDC totalSupply on Ethereum, 2025-01-31 UTC close","unit":"raw","value":"34271241564629299"},"v":1}