{"block":{"chainId":10,"hash":"0xe671366221fb2828abcd019f7cbdbf93a06801b695733e71cd93a47f05066991","number":"107624611","timestamp":1690847999},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000010f3c82a34012","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":"0x703c1cd5eb9fe84c4e590fb0c4940c17116d96756d91d81da7859cdb87c1b216","id":"rcpt_703c1cd5eb9fe84c4e59","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 107624611 --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\":\"0xe671366221fb2828abcd019f7cbdbf93a06801b695733e71cd93a47f05066991\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:21:25.167Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x92afcf699da98c8c7abf09c41d240273835b078f6d025095fa68c9ab92b566d6"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2023-07-31 UTC close","unit":"raw","value":"298227540901906"},"v":1}