{"block":{"chainId":10,"hash":"0x921fc32ceb98e823d9b357bf5ad82bb8fd8c4dcc19e489e438a419973709d7a2","number":"13572287","timestamp":1656633585},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000000b684f212a5be","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":"0x28e51980e91a4b56265980f31089dacaffcc9fb981d47303f16aae4ea42e6ebc","id":"rcpt_28e51980e91a4b562659","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 13572287 --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\":\"0x921fc32ceb98e823d9b357bf5ad82bb8fd8c4dcc19e489e438a419973709d7a2\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:26:10.821Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xf6519d1ede57acedddca44bbb5d82ebfb5a9c8772fc7ac1e188a06182723c550"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2022-06-30 UTC close","unit":"raw","value":"200682113246654"},"v":1}