{"block":{"chainId":42161,"hash":"0xca44cef84963841f117dea62c111c368d1be6cca5e0a22555b776d52cf0d084e","number":"310947139","timestamp":1740787199},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000d922f79782328","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":"0xc46d4cd8677d4a9e82cdd925db298c886874f74c2005d57aefce982d11c3cbe0","id":"rcpt_c46d4cd8677d4a9e82cd","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 310947139 --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\":\"0xca44cef84963841f117dea62c111c368d1be6cca5e0a22555b776d52cf0d084e\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:10:44.783Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x9370895e79c2e9d5de3d83afcc5571b8dd36e6040892ee4dda92b068bd0ca5c6"},"subject":{"label":"USDC totalSupply on Arbitrum One, 2025-02-28 UTC close","unit":"raw","value":"3819907296273192"},"v":1}