{"block":{"chainId":1,"hash":"0x1d63bf12e101c849b9e8bceca81a71d801735fca65ff9f1f12284e9d77c20547","number":"25878704","timestamp":1788220799},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000000004d6ec8c811","specId":"erc20.totalSupply","to":"0x41f7b8b9b897276b7aae926a9016935280b44e97"},"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":"0x654ceec35da3824dc9c01db5db795bfe38ec54168374e933916229b7a8154405","id":"rcpt_654ceec35da3824dc9c0","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 0x41f7b8b9b897276b7aae926a9016935280b44e97 \"totalSupply()(uint256)\" --block 25878704 --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\":\"0x41f7b8b9b897276b7aae926a9016935280b44e97\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x1d63bf12e101c849b9e8bceca81a71d801735fca65ff9f1f12284e9d77c20547\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:45:52.644Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x370900fd23a1292e15cf1b0ebce6ef03f6add5a632053d80530fd0bfade1198c"},"subject":{"label":"USDC totalSupply on Ethereum, 2026-08-31 UTC close","unit":"raw","value":"332571133969"},"v":1}