{"block":{"chainId":10,"hash":"0x038cec478f5a4e30d646438e7475a833c9313963f41000248e669efd341b4166","number":"3067127","timestamp":1643673458},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000002a1aad1ac973","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":"0x76a3add1abd1db806cc145cab1bffaa1146c779b8c05dc7a1125a144e568b67e","id":"rcpt_76a3add1abd1db806cc1","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 3067127 --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\":\"0x038cec478f5a4e30d646438e7475a833c9313963f41000248e669efd341b4166\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:20:13.404Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x446ff8deeee0479253c68cf826ff7e6a654637885d241d4cf5304e03b0fa7d36"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2022-01-31 UTC close","unit":"raw","value":"46294061730163"},"v":1}