{"block":{"chainId":137,"hash":"0xf203b0686c99cbd1e394263c9df67defff3a76c056ce30fd3742efa19f19f206","number":"31372366","timestamp":1659311998},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000059957ec42558b","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":"0x5ed7922a60252304d0bd6407145bb7ee9352467b70d3077178697114e5e0e8c3","id":"rcpt_5ed7922a60252304d0bd","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 31372366 --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\":\"0xf203b0686c99cbd1e394263c9df67defff3a76c056ce30fd3742efa19f19f206\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:30:22.952Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x381815d6eb6216c7f96782c8f689acda6b25689efb8e568ac000998bd1fd0582"},"subject":{"label":"USDC totalSupply on Polygon PoS, 2022-07-31 UTC close","unit":"raw","value":"1575977788528011"},"v":1}