{"block":{"chainId":42161,"hash":"0x3cc6c5a6d847a23fd85319e6125d296f6ff70f91bc3bb9a9fac8805f56e5d42e","number":"416593973","timestamp":1767225599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000001a2d47800deee42937c41fc","specId":"erc20.totalSupply","to":"0x0a1a1a107e45b7ced86833863f482bc5f4ed82ef"},"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":"0xf8100b4b079980658afe70938fc48f788fb4c6f16d5e17552df03a2e83010eee","id":"rcpt_f8100b4b079980658afe","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 0x0a1a1a107e45b7ced86833863f482bc5f4ed82ef \"totalSupply()(uint256)\" --block 416593973 --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\":\"0x0a1a1a107e45b7ced86833863f482bc5f4ed82ef\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x3cc6c5a6d847a23fd85319e6125d296f6ff70f91bc3bb9a9fac8805f56e5d42e\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:03:43.826Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xa989608a37f9aefdc04564bcbf069f8d5f542df76d05f666108bdcf088415160"},"subject":{"label":"USDai totalSupply on Arbitrum One, 2025-12-31 UTC close","unit":"raw","value":"506334347965321619498091004"},"v":1}