{"block":{"chainId":1,"hash":"0xf20bd8a65536fdc6e8e5c7ee3731a839a3b2ed66418152735e3aa98a51030eef","number":"15253305","timestamp":1659311998},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000001b11256fe73","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":"0xf7b996814695312c6c22fc22d7bfed9b17b4a1c20bc7322d6f59f20ae11bc6df","id":"rcpt_f7b996814695312c6c22","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 15253305 --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\":\"0xf20bd8a65536fdc6e8e5c7ee3731a839a3b2ed66418152735e3aa98a51030eef\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:59:48.089Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x8a7980cc850cac26276c42b8bc307a8df63358fdd9d43693a34438745c495c0d"},"subject":{"label":"USDC totalSupply on Ethereum, 2022-07-31 UTC close","unit":"raw","value":"1860028530291"},"v":1}