{"block":{"chainId":10,"hash":"0xb9c0d55790be15729f8ec9617978c2f93094ead1adc8c3dea1e5afcfaf961770","number":"5156630","timestamp":1648771185},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000005f5852a08277","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":"0x992a0402cc1dcb8edea12f5c7c858ed3f022c4dadc06d73d81330824f143303f","id":"rcpt_992a0402cc1dcb8edea1","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 5156630 --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\":\"0xb9c0d55790be15729f8ec9617978c2f93094ead1adc8c3dea1e5afcfaf961770\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:20:56.213Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x45fbe3b130d8fde8b6ba179263b5d8391e6dc4fdec61ca0ba2d4b81394df7ad4"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2022-03-31 UTC close","unit":"raw","value":"104832948011639"},"v":1}