{"block":{"chainId":10,"hash":"0xb64e182ab81039cc3ccded86b8d4abb6f05caa88ff64c69e5ca8e56ee2bafe00","number":"127410211","timestamp":1730419199},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000004ba4b5edd9ef","specId":"erc20.totalSupply","to":"0x7f5c764cbc14f9669b88837ca1490cca17c31607"},"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":"0xd1020a67179e15ca89e47c2bede5cc66124a1c3d9f5afada5ad84db3f46ed030","id":"rcpt_d1020a67179e15ca89e4","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 0x7f5c764cbc14f9669b88837ca1490cca17c31607 \"totalSupply()(uint256)\" --block 127410211 --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\":\"0x7f5c764cbc14f9669b88837ca1490cca17c31607\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0xb64e182ab81039cc3ccded86b8d4abb6f05caa88ff64c69e5ca8e56ee2bafe00\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:20:09.093Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x3e3c6ddca38a499ca423100fb2ff6ea97e323ba367e0a3b38ce972d34d9264a1"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2024-10-31 UTC close","unit":"raw","value":"83170798983663"},"v":1}