{"block":{"chainId":1,"hash":"0x1d63bf12e101c849b9e8bceca81a71d801735fca65ff9f1f12284e9d77c20547","number":"25878704","timestamp":1788220799},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000b3784750106fab","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":"0xff3eaaa09b2a3f0643e19a50ac2aed6b7793745e95e08e237c1cc006a37415f7","id":"rcpt_ff3eaaa09b2a3f0643e1","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 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\":\"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x1d63bf12e101c849b9e8bceca81a71d801735fca65ff9f1f12284e9d77c20547\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T22:02:16.695Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x689156947d4e8209db22e24b9a2a11780de17705e9ae74d86175128febbc82dd"},"subject":{"label":"USDC totalSupply on Ethereum, 2026-08-31 UTC close","unit":"raw","value":"50516268512473003"},"v":1}