{"block":{"chainId":1,"hash":"0x72f1984eeb9f3b52fb97ea800c1d51b1d10cbd1d3d0ff1aaf4c20462e5dfdeac","number":"12150244","timestamp":1617235197},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000026725df3828e6e","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":"0xf5a384a88ca41d48755f2ccf51c049c17f56bf6efd362f3aebca61d33f5500ca","id":"rcpt_f5a384a88ca41d48755f","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 12150244 --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\":\"0x72f1984eeb9f3b52fb97ea800c1d51b1d10cbd1d3d0ff1aaf4c20462e5dfdeac\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:57:14.654Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x7a2e4a4632a2721ebb54e4d43677e65b2bd8b1a73ea9e5d854f8372ae01adf1a"},"subject":{"label":"USDC totalSupply on Ethereum, 2021-03-31 UTC close","unit":"raw","value":"10821796957949550"},"v":1}