{"block":{"chainId":10,"hash":"0x8685480ee61e1e8899a99292e1ab0fa217f53a338b3dc85732f71ab0658a42fa","number":"106285411","timestamp":1688169599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000000001437a0f0","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":"0xea3689672712adf31544acdb4fe09e0f06d5fda22c1b93b1a8230992d5a372a9","id":"rcpt_ea3689672712adf31544","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 106285411 --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\":\"0x8685480ee61e1e8899a99292e1ab0fa217f53a338b3dc85732f71ab0658a42fa\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:22:07.887Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0xffb9b1d3da37bc52eaba5b18306ba7a834458ac2e37485b6b4658c48cb6ffbc0"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2023-06-30 UTC close","unit":"raw","value":"339190000"},"v":1}