{"block":{"chainId":137,"hash":"0xb233d45793afca9f317c7bf087f27910f06968448d1066fd5a418c8233398fa8","number":"82391996","timestamp":1769903998},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000224c42a8991e9","specId":"erc20.totalSupply","to":"0x3c499c542cef5e3811e1192ce70d8cc03d5c3359"},"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":"0x1240eafad924540d173fc36fad8ceecd57d817579a793b007ea351b81a0fda61","id":"rcpt_1240eafad924540d173f","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 0x3c499c542cef5e3811e1192ce70d8cc03d5c3359 \"totalSupply()(uint256)\" --block 82391996 --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\":\"0x3c499c542cef5e3811e1192ce70d8cc03d5c3359\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0xb233d45793afca9f317c7bf087f27910f06968448d1066fd5a418c8233398fa8\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:37:08.754Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xc6ecb4d16094bdd5433aa9efb40e7fa48eb76176f4d896dfe5af87062e4f4fb1"},"subject":{"label":"USDC totalSupply on Polygon PoS, 2026-01-31 UTC close","unit":"raw","value":"603374899270121"},"v":1}