{"block":{"chainId":1,"hash":"0xb7b27a4871eba9cd96bf6b2704b2f67a8b56565c93e330f22e924f10aa3e3738","number":"16950602","timestamp":1680307199},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000000015c28a365b3","specId":"erc20.totalSupply","to":"0x566957ef80f9fd5526cd2bef8be67035c0b81130"},"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":"0xed9665ee37c2425186a5f6cfdd00d4d82f4f6fc1e0fddad51cd5d5ad43d5e5a2","id":"rcpt_ed9665ee37c2425186a5","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 0x566957ef80f9fd5526cd2bef8be67035c0b81130 \"totalSupply()(uint256)\" --block 16950602 --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\":\"0x566957ef80f9fd5526cd2bef8be67035c0b81130\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0xb7b27a4871eba9cd96bf6b2704b2f67a8b56565c93e330f22e924f10aa3e3738\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:50:12.632Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x4a825ef057743c0aba0355d53dbc6bca34e085177693acf7cebcf9193e109068"},"subject":{"label":"USDC totalSupply on Ethereum, 2023-03-31 UTC close","unit":"raw","value":"1495330416051"},"v":1}