{"block":{"chainId":1,"hash":"0xff92225c7173d9ca268d9a363b9def7f63fed8ea76220919e25df95718596f67","number":"9581791","timestamp":1583020775},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000194983d52b140","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":"0x367146762dae73412cdc4fe239b6da6447e97621fe7cfbec427b586ef4d44ce1","id":"rcpt_367146762dae73412cdc","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 9581791 --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\":\"0xff92225c7173d9ca268d9a363b9def7f63fed8ea76220919e25df95718596f67\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:49:28.559Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x7053e5e1bcc44a8b560a398263f0412a69e53d81b8eccbcb44924f2ca31b85bd"},"subject":{"label":"USDC totalSupply on Ethereum, 2020-02-29 UTC close","unit":"raw","value":"444856561480000"},"v":1}