{"block":{"chainId":137,"hash":"0x6009bd6963811d1d93614d8529471c62265ae8e0befe5e4ce5ae974b538fc87f","number":"83601584","timestamp":1772323199},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000000000e9c9ca3b6","specId":"erc20.totalSupply","to":"0x576cf361711cd940cd9c397bb98c4c896cbd38de"},"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":"0x199c2287b2f76721700af9856e746e7887572e366cd6258906260db275bbc6e7","id":"rcpt_199c2287b2f76721700a","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 0x576cf361711cd940cd9c397bb98c4c896cbd38de \"totalSupply()(uint256)\" --block 83601584 --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\":\"0x576cf361711cd940cd9c397bb98c4c896cbd38de\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x6009bd6963811d1d93614d8529471c62265ae8e0befe5e4ce5ae974b538fc87f\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:36:24.678Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x26edf01fe173d369f3bef3baadb27f384da6500613cb03dfabff104d915b3618"},"subject":{"label":"USDC totalSupply on Polygon PoS, 2026-02-28 UTC close","unit":"raw","value":"62757053366"},"v":1}