{"block":{"chainId":137,"hash":"0x297118e46b84a0021314025742ebf08fef477628ba84aca2e3991db6335b9489","number":"86236777","timestamp":1777593598},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000027f7975d01f99","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":"0xd8b81aacb843cb967f464f45a9349cbb3bd8c9ab252906e1de9bd4e8214ad4c2","id":"rcpt_d8b81aacb843cb967f46","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 86236777 --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\":\"0x297118e46b84a0021314025742ebf08fef477628ba84aca2e3991db6335b9489\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:32:37.272Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x8f2e9a04b5ca98aa76c443f22e1f9a77668cecce5fad702d636b70cf5f21150b"},"subject":{"label":"USDC totalSupply on Polygon PoS, 2026-04-30 UTC close","unit":"raw","value":"703109597765529"},"v":1}