{"block":{"chainId":42161,"hash":"0x2151b4b88bdb0699cee8fc803958e3784535794e2fda6549251674e1cdcc40cb","number":"384761329","timestamp":1759276799},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000042a756d91baf","specId":"erc20.totalSupply","to":"0xff970a61a04b1ca14834a43f5de4533ebddb5cc8"},"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":"0x7d49fb8d7e675152840bc20cfa577d24f264a1c00cb3fa8426fe32e11058e86e","id":"rcpt_7d49fb8d7e675152840b","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 0xff970a61a04b1ca14834a43f5de4533ebddb5cc8 \"totalSupply()(uint256)\" --block 384761329 --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\":\"0xff970a61a04b1ca14834a43f5de4533ebddb5cc8\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x2151b4b88bdb0699cee8fc803958e3784535794e2fda6549251674e1cdcc40cb\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:09:32.737Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x4f090cb8d1ffaf85edf6d75997342cf421b39047195d9a330d9f9cb7ac0639e7"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2025-09-30 UTC close","unit":"raw","value":"73286484040623"},"v":1}