{"block":{"chainId":42161,"hash":"0xfd7d175334a86faf101293a3d7602100deef991d675577e8a15dae52424b8c32","number":"509864039","timestamp":1790639999},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000ba19c2f605925c7e99e1c8","specId":"erc20.totalSupply","to":"0x0a1a1a107e45b7ced86833863f482bc5f4ed82ef"},"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":"0x74f5c39114f77741e7c876f82a6f9b89610ce5d2d0182afa4be84ef57ffcbe4d","id":"rcpt_74f5c39114f77741e7c8","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 0x0a1a1a107e45b7ced86833863f482bc5f4ed82ef \"totalSupply()(uint256)\" --block 509864039 --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\":\"0x0a1a1a107e45b7ced86833863f482bc5f4ed82ef\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0xfd7d175334a86faf101293a3d7602100deef991d675577e8a15dae52424b8c32\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:08:16.696Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x9e58a56b810e80a67d4241848a64d51fcb6bb19d08968e20400f1c066063b206"},"subject":{"label":"USDai totalSupply on Arbitrum One, 2026-09-28 UTC close","unit":"raw","value":"224981858006479501451190728"},"v":1}