{"block":{"chainId":42161,"hash":"0xf428fa165f436490fb973bde0addddc5a1dcf82e8f4821cff699de5dbf6dc4be","number":"510496863","timestamp":1790812799},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000009a9eacea5a7ea","specId":"erc20.totalSupply","to":"0xaf88d065e77c8cc2239327c5edb3a432268e5831"},"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":"0x1e6850702fd93c21ff9e4e28fcdf9a69cd32478a80a32c64062afe2beb39e9e4","id":"rcpt_1e6850702fd93c21ff9e","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 0xaf88d065e77c8cc2239327c5edb3a432268e5831 \"totalSupply()(uint256)\" --block 510496863 --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\":\"0xaf88d065e77c8cc2239327c5edb3a432268e5831\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0xf428fa165f436490fb973bde0addddc5a1dcf82e8f4821cff699de5dbf6dc4be\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:03:22.298Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x76b52aff49df705dae763480fc78928a0edda54c645ad8a04a2e0fe68df075c4"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2026-09-30 UTC close","unit":"raw","value":"2720100744800234"},"v":1}