{"block":{"chainId":42161,"hash":"0xb3f265e58b87c48494b1af5bac1690c8ef9430830467e26826f050ca500f928b","number":"196288427","timestamp":1711929599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000400bfd94fdf3f","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":"0xca59b7f32c745431db8d65423fb38757c3c6246ef1ccb8f444fc2a2fc63ec63a","id":"rcpt_ca59b7f32c745431db8d","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 196288427 --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\":\"0xb3f265e58b87c48494b1af5bac1690c8ef9430830467e26826f050ca500f928b\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:03:38.150Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x2aa3d3c7c78f01cb918d5523bccf6d37c32c4019074630424254eab85fb231d1"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2024-03-31 UTC close","unit":"raw","value":"1126723891486527"},"v":1}