{"block":{"chainId":1,"hash":"0xa66185ac20df0d3bb59ad13ef3b0bd3a4eca5b5058504794a554cb74abf529bd","number":"24781026","timestamp":1775001599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000548fcd0a2d2100f0d063c33","specId":"erc20.totalSupply","to":"0xfa2b947eec368f42195f24f36d2af29f7c24cec2"},"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":"0xb0b9abfde0035620e4c800966cd2e36d16379dcc87fd2e1bdd28f4d995741edc","id":"rcpt_b0b9abfde0035620e4c8","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 0xfa2b947eec368f42195f24f36d2af29f7c24cec2 \"totalSupply()(uint256)\" --block 24781026 --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\":\"0xfa2b947eec368f42195f24f36d2af29f7c24cec2\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0xa66185ac20df0d3bb59ad13ef3b0bd3a4eca5b5058504794a554cb74abf529bd\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:51:05.399Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xdf27ef28bf45459f7166d5981a2fb1302741287ed94ee6f9effa636288f12c53"},"subject":{"label":"USDf totalSupply on Ethereum, 2026-03-31 UTC close","unit":"raw","value":"1635661593127886762465967155"},"v":1}