{"block":{"chainId":8453,"hash":"0x6b975c32c340b335591d9fc265795af572005dd6a41baac00113eb8e1c7833e7","number":"20475726","timestamp":1727740799},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000c412657d4396a","specId":"erc20.totalSupply","to":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913"},"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":"0xf5a6815de883195d37b468f778aba819a53ea9654fe3f3126d10cf2f0b1ea1ea","id":"rcpt_f5a6815de883195d37b4","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 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 \"totalSupply()(uint256)\" --block 20475726 --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\":\"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x6b975c32c340b335591d9fc265795af572005dd6a41baac00113eb8e1c7833e7\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:12:37.804Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x784646dcc9a38a5ade69cd6a44bccaf681eb1f54237c1c645b5c7b6847de229c"},"subject":{"label":"USDC totalSupply on Base, 2024-09-30 UTC close","unit":"raw","value":"3449332658616682"},"v":1}