{"block":{"chainId":10,"hash":"0x6a50f3fd4b3974d29fbc9e07fd26712d731322c9f442eb013de105bb2865b7da","number":"140543011","timestamp":1756684799},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x0000000000000000000000000000000000000000000000000000c5d5fd673d7a","specId":"erc20.totalSupply","to":"0x0b2c639c533813f4aa9d7837caf62653d097ff85"},"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":"0x6f00fac4903c78c998658b21bc7f0ba272de427528240b4b4cb5d88d179d3bd7","id":"rcpt_6f00fac4903c78c99865","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 0x0b2c639c533813f4aa9d7837caf62653d097ff85 \"totalSupply()(uint256)\" --block 140543011 --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\":\"0x0b2c639c533813f4aa9d7837caf62653d097ff85\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x6a50f3fd4b3974d29fbc9e07fd26712d731322c9f442eb013de105bb2865b7da\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:23:05.134Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x33752f2098a32ead079fa592e0e2592c4ba6c76ebb971ee9279dcb5d8cbb6686"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2025-08-31 UTC close","unit":"raw","value":"217522870107514"},"v":1}