{"block":{"chainId":1,"hash":"0xea7bb9c15683174d819c78cdb6acacbb209c27ae90bdcea161174d1844e20263","number":"21948291","timestamp":1740787199},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000000556dc2f5ef","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":"0xc80106f629c107d7dbe85e3f2dea5f04ef050062282b9f6fecc7e54cc88c45af","id":"rcpt_c80106f629c107d7dbe8","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 21948291 --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\":\"0xea7bb9c15683174d819c78cdb6acacbb209c27ae90bdcea161174d1844e20263\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T22:02:24.435Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x74edc393f2e0d68ee9c7bbddd86dab689cccc019a8b87202dbd5e7268c4038cb"},"subject":{"label":"USDC totalSupply on Ethereum, 2025-02-28 UTC close","unit":"raw","value":"366913713647"},"v":1}