{"block":{"chainId":1,"hash":"0xa66185ac20df0d3bb59ad13ef3b0bd3a4eca5b5058504794a554cb74abf529bd","number":"24781026","timestamp":1775001599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000000051dfee3f8d","specId":"erc20.totalSupply","to":"0x41f7b8b9b897276b7aae926a9016935280b44e97"},"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":"0x2790b4715e976a9b5ac7eca6f5813971ae2f2514d4357d2d31fac282486c0483","id":"rcpt_2790b4715e976a9b5ac7","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 0x41f7b8b9b897276b7aae926a9016935280b44e97 \"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\":\"0x41f7b8b9b897276b7aae926a9016935280b44e97\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0xa66185ac20df0d3bb59ad13ef3b0bd3a4eca5b5058504794a554cb74abf529bd\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-28T21:47:38.176Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x64fab38e5e900e8af914124ce6c771457ec530a01638ae655285047ad6db2c8f"},"subject":{"label":"USDC totalSupply on Ethereum, 2026-03-31 UTC close","unit":"raw","value":"351649283981"},"v":1}