{"block":{"chainId":42161,"hash":"0x99c92bd44bd92189e6fa88f8d127a7f3ccbae16e6256747f0aed522b10f9f607","number":"228837","timestamp":1630454395},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000000a0cafde6f9","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":"0x94df11f66f398d45086671ab861c266cce691246cb23db148c873589d8a7507a","id":"rcpt_94df11f66f398d450866","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 228837 --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\":\"0x99c92bd44bd92189e6fa88f8d127a7f3ccbae16e6256747f0aed522b10f9f607\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:01:20.560Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x1d7acb999be374a140c14d6d06defab8b2aeade0197a1efc01bb73f06f2d9962"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2021-08-31 UTC close","unit":"raw","value":"690600404729"},"v":1}