{"block":{"chainId":42161,"hash":"0xa57f856a3586182bd2034f089bcc7642d43c405a18dacb424754260d696273cb","number":"57012805","timestamp":1675209599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000000000cb4b750","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":"0x247f1e0694713c20799227dcccbe3ec9b1d88f357604fed8fab8aac3dc3fb98e","id":"rcpt_247f1e0694713c207992","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 57012805 --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\":\"0xa57f856a3586182bd2034f089bcc7642d43c405a18dacb424754260d696273cb\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:02:31.508Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x2088fcda91f60e6f5cea86ec3cc549bbf838be20157ef47620a0175e47f89f87"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2023-01-31 UTC close","unit":"raw","value":"213170000"},"v":1}