Does ORCLon / WBNB match its issuer's published contract?

QED signs a canonical JSON payload. Fetch the public key from /.well-known/qed.json, then check the signature against this payload.

Canonical JSON

{"block":129730114,"chain":"bnb","checked_at":"2026-10-25T15:31:20Z","dev":false,"expires_at":"2026-10-26T15:31:20Z","issuer":"Ondo","pool":{"base":{"address":"0x03E4bd1Ea53f1da84513da0319D1f03dD1BBCf93","balance":"2046608239411869","decimals":18,"symbol":"ORCLon"},"chain":"bnb","dex":"pancake-v2","pool":"0x258b868142CD8dC7875D2c214De450fd65B0C69e","quote":{"address":"0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c","balance":"307132693295195","decimals":18,"symbol":"WBNB"}},"quote_share_of_supply":8.588731696651126e-8,"reads":[{"block":129730114,"method":"eth_blockNumber","params":[],"result_hash":"fe3b41409c43a3c4aaef8a900b800d4b014e3c43a278c4b81efda67327f6d4a6","slot":null},{"block":null,"method":"eth_call","params":["0x258b868142CD8dC7875D2c214De450fd65B0C69e","token0()"],"raw_result":"0x03e4bd1ea53f1da84513da0319d1f03dd1bbcf93","result_hash":"3313bd7f0c87b18a201841745c6a79d0525a2ca358f344fa4c46ab2dd8874833","slot":null},{"block":null,"method":"eth_call","params":["0x258b868142CD8dC7875D2c214De450fd65B0C69e","token1()"],"raw_result":"0xbb4cdb9cbd36b01bd1cbaebf2de08d9173bc095c","result_hash":"edf9093bc9c27415917a34d81f1d628432fe528340b4b958d0cedeaab27cd622","slot":null},{"block":null,"method":"eth_call","params":["0x258b868142CD8dC7875D2c214De450fd65B0C69e","getReserves()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x258b868142CD8dC7875D2c214De450fd65B0C69e","factory()"],"raw_result":"0xca143ce32fe78f1f7019d7d551a6402fc5350c73","result_hash":"cca9f0708cbe3ba281b9d1b8ebd0a086cc47571f860d681f7f16e9e8a73617f9","slot":null},{"block":null,"method":"eth_call","params":["0xcA143Ce32Fe78f1f7019d7d551a6402fC5350c73","getPair","0x03E4bd1Ea53f1da84513da0319D1f03dD1BBCf93","0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c"],"raw_result":"0x258b868142cd8dc7875d2c214de450fd65b0c69e","result_hash":"3616fb57f4630d1e166f381e848cb30c2990c3758731dd21826c1eaa3d8e7e0f","slot":null},{"block":null,"method":"eth_call","params":["0x03E4bd1Ea53f1da84513da0319D1f03dD1BBCf93","symbol()"],"raw_result":"Some(\"ORCLon\")","result_hash":"87091a45d8574416d89ffec5c26d1f4b7e8a230d18a0074fa51f4290e0173816","slot":null},{"block":null,"method":"eth_call","params":["0x03E4bd1Ea53f1da84513da0319D1f03dD1BBCf93","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x03E4bd1Ea53f1da84513da0319D1f03dD1BBCf93","balanceOf","0x258b868142CD8dC7875D2c214De450fd65B0C69e"],"raw_result":"Some(\"2046608239411869\")","result_hash":"9046261ddf4931949bca163af81b775481024cc9336f8c8cb3d91af420a39c8b","slot":null},{"block":null,"method":"eth_call","params":["0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c","symbol()"],"raw_result":"Some(\"WBNB\")","result_hash":"911f77865aa0084e0926a82c6fef3299aaf8e69c9a280cbe3b7ccebbad7abd1b","slot":null},{"block":null,"method":"eth_call","params":["0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c","balanceOf","0x258b868142CD8dC7875D2c214De450fd65B0C69e"],"raw_result":"Some(\"307132693295195\")","result_hash":"c3f1dda9cdce6d699a84425cd98755928b4d20b7b6108eaf1303af29dbbf5ccd","slot":null},{"block":null,"method":"eth_call","params":["0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c","symbol()"],"raw_result":"Some(\"WBNB\")","result_hash":"911f77865aa0084e0926a82c6fef3299aaf8e69c9a280cbe3b7ccebbad7abd1b","slot":null},{"block":null,"method":"eth_call","params":["0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c","name()"],"raw_result":"Some(\"Wrapped BNB\")","result_hash":"4b2d7b1bce048707fce6a8d05f50e5a1c268f1b0df9fdc7f497bba9ee6f295a2","slot":null},{"block":null,"method":"eth_call","params":["0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c","totalSupply()"],"raw_result":"Some(\"1533352836843344518861871\")","result_hash":"c25aa2d77ccd73c89a250f5b9e2c19eb7eeb5676ac868eee335e8546cdc17f3a","slot":null},{"block":null,"method":"eth_call","params":["0x03E4bd1Ea53f1da84513da0319D1f03dD1BBCf93","symbol()"],"raw_result":"Some(\"ORCLon\")","result_hash":"87091a45d8574416d89ffec5c26d1f4b7e8a230d18a0074fa51f4290e0173816","slot":null},{"block":null,"method":"eth_call","params":["0x03E4bd1Ea53f1da84513da0319D1f03dD1BBCf93","name()"],"raw_result":"Some(\"Oracle (Ondo Tokenized)\")","result_hash":"9c8bf70a6bc980ddedb6945eb1cd7f5b05b9922c766e2a30acd835f8f2a0e645","slot":null},{"block":null,"method":"eth_call","params":["0x03E4bd1Ea53f1da84513da0319D1f03dD1BBCf93","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x03E4bd1Ea53f1da84513da0319D1f03dD1BBCf93","totalSupply()"],"raw_result":"Some(\"23828992588159106855816\")","result_hash":"e922579280f690640900691c5087f2b3878d178ee5dbe88a22e47a4203febd87","slot":null},{"block":null,"method":"eth_getCode","params":["0x03E4bd1Ea53f1da84513da0319D1f03dD1BBCf93","latest"],"result_hash":"94608f5be99dad7eba2f1291156fff602e3d7e462e4517d8f65af38ba0f4b7b4","slot":null},{"block":null,"method":"eth_getCode","params":["0x03E4bd1Ea53f1da84513da0319D1f03dD1BBCf93","latest"],"result_hash":"94608f5be99dad7eba2f1291156fff602e3d7e462e4517d8f65af38ba0f4b7b4","slot":null}],"registry_entry":{"chain":"bnb","contract":"0x03E4bd1Ea53f1da84513da0319D1f03dD1BBCf93","decimals":null,"issuer":"Ondo","last_checked":"2026-10-24T22:15:13Z","name":"Oracle (Ondo Tokenized)","official_deployments":[{"address":"0x8a23C6BaadB88512b30475C83Df6A63881e33e1E","network":"Ethereum"},{"address":"0x03E4bd1Ea53f1da84513da0319D1f03dD1BBCf93","network":"BNB Chain"},{"address":"GmDADFpfwjfzZq9MfCafMDTS69MgVjtzD7Fd9a4ondo","network":"Solana"},{"address":"0x4775e99a13651B1D077c2fa04Eb9BF007f684af5","network":"HyperEVM"}],"source":"https://docs.ondo.finance/addresses.md","source_url":"https://www.dropbox.com/scl/fi/qjfxyg748mx0dwi6up86d/EXTERNAL-Ondo-GM-Tokens-Ondo-GM-Tokens.csv?rlkey=n3no1w78wrah3umsl0nr9s77i&e=2&st=spdit2q1&dl=1","ticker":"ORCL"},"registry_hash":"98bb6f78096c59a76dd6f15e8419debbea1fd65d8519339f2042bc59339b35f8","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x258b868142CD8dC7875D2c214De450fd65B0C69e","ticker":"ORCL","verdict":{"Verified":{"issuer":"Ondo","ticker":"ORCL"}},"version":1}

Signature

FXGfjNDOOducbNErYDDAb3eh3u8nS3cgS9ZDl7xDTog/uqbdBRw8WO/rxjO0l/+/XFFCCvjFF32uuHmAnlR6BQ==

API call

GET /api/attest/08fe5d6573eda04cf92ebae9e569384e172a47e417dc3b118af46e84e4aee6b7

1. Fetch the public key and attestation JSON, then verify the signature with the published key.
2. Canonicalize the payload with sorted object keys and no whitespace, then verify its SHA-256 attestation id.
3. Run the API call above and compare the returned payload, serial, signer, and signature with this certificate.