{"block":{"chainId":42161,"hash":"0xe71f3ef0d7847a34c7a3955f926404ed86377d07a1180fffabfb0af4473c9836","number":"75756272","timestamp":1680307199},"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":"0x62c11cfd3ab2b91c371e5441eccec09eafe5627f5359601185a420b4c1b144f0","id":"rcpt_62c11cfd3ab2b91c371e","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 75756272 --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\":\"0xe71f3ef0d7847a34c7a3955f926404ed86377d07a1180fffabfb0af4473c9836\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:02:00.175Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x322a626833fd4f36d19be5f125062c38ad57049b8e383feb03b266c25f6e565a"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2023-03-31 UTC close","unit":"raw","value":"213170000"},"v":1}