{"block":{"chainId":137,"hash":"0x71e9f89a65aa90dad5c0081820cfe0477b70099443c46577fb1dfa38b7d9b84a","number":"68495221","timestamp":1740787199},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000195024e973abe","specId":"erc20.totalSupply","to":"0x2791bca1f2de4661ed88a30c99a7a9449aa84174"},"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":"0x7b20965dc99d53f175b3e8f9460f65b2164d3ad51a4d5ef06765299180fa3285","id":"rcpt_7b20965dc99d53f175b3","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 0x2791bca1f2de4661ed88a30c99a7a9449aa84174 \"totalSupply()(uint256)\" --block 68495221 --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\":\"0x2791bca1f2de4661ed88a30c99a7a9449aa84174\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x71e9f89a65aa90dad5c0081820cfe0477b70099443c46577fb1dfa38b7d9b84a\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:29:34.071Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x768346f77d30bb0bdd20e43eb16e9f1836e48a10500cf73fd57300dc39848b62"},"subject":{"label":"USDC totalSupply on Polygon PoS, 2025-02-28 UTC close","unit":"raw","value":"445312117717694"},"v":1}