{"block":{"chainId":10,"hash":"0xa69204b3ca6dc14bc344e16752c83eed2741a8573609640500ae043c99e0a2e9","number":"153632611","timestamp":1782863999},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000016fda00bd330","specId":"erc20.totalSupply","to":"0x7f5c764cbc14f9669b88837ca1490cca17c31607"},"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":"0x6cf4faa3806704ed0eaa9c1a306c348534ccb4c999490d92ccd8651998f56376","id":"rcpt_6cf4faa3806704ed0eaa","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 0x7f5c764cbc14f9669b88837ca1490cca17c31607 \"totalSupply()(uint256)\" --block 153632611 --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\":\"0x7f5c764cbc14f9669b88837ca1490cca17c31607\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0xa69204b3ca6dc14bc344e16752c83eed2741a8573609640500ae043c99e0a2e9\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:25:31.259Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x4f267b9bfffb43e5fddb5e3d26713db9b488d572573e1b915f6c70499a001117"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2026-06-30 UTC close","unit":"raw","value":"25278567666480"},"v":1}