Does NFLXon / USDC 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":26218711,"chain":"ethereum","checked_at":"2026-10-18T10:00:46Z","dev":false,"expires_at":"2026-10-19T10:00:46Z","issuer":"Ondo","pool":{"base":{"address":"0x032deC3372F25C41EA8054B4987a7c4832CDB338","balance":"1434574151253800480","decimals":18,"symbol":"NFLXon"},"chain":"ethereum","dex":"uniswap-v3","pool":"0xdc15311937d13606C8E0D716C33ce8C9899df658","quote":{"address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","balance":"1019935382","decimals":6,"symbol":"USDC"}},"quote_share_of_supply":0.0011850883944844774,"reads":[{"block":26218711,"method":"eth_blockNumber","params":[],"result_hash":"d5b6aad40a934d91886a7111512626646e04381ce31ce670b9478d0a2bb63c60","slot":null},{"block":null,"method":"eth_call","params":["0xdc15311937d13606C8E0D716C33ce8C9899df658","token0()"],"raw_result":"0x032dec3372f25c41ea8054b4987a7c4832cdb338","result_hash":"10db0a4e46b52de96c73c71c0fb799efa00d26726494f4b24fdfd03cdd855a8c","slot":null},{"block":null,"method":"eth_call","params":["0xdc15311937d13606C8E0D716C33ce8C9899df658","token1()"],"raw_result":"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48","result_hash":"6239f262cd1d947b947081c9eba6e8771378942478e1d48654f4f132ebb96021","slot":null},{"block":null,"method":"eth_call","params":["0xdc15311937d13606C8E0D716C33ce8C9899df658","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xdc15311937d13606C8E0D716C33ce8C9899df658","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xdc15311937d13606C8E0D716C33ce8C9899df658","factory()"],"raw_result":"0x1f98431c8ad98523631ae4a59f267346ea31f984","result_hash":"24b698329e82b3994906dfbd01281d9a6f12f65aa59de65831657e6e928d4c80","slot":null},{"block":null,"method":"eth_call","params":["0xdc15311937d13606C8E0D716C33ce8C9899df658","fee()"],"raw_result":"3000","result_hash":"53232d7da9fd2a1931dcd44af08ec415dd52ab8ecc4037ef5e68eb3753978a2e","slot":null},{"block":null,"method":"eth_call","params":["0x1F98431c8aD98523631AE4a59f267346ea31F984","getPool","0x032deC3372F25C41EA8054B4987a7c4832CDB338","0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","0xbb8"],"raw_result":"0xdc15311937d13606c8e0d716c33ce8c9899df658","result_hash":"d1c354ca73932c52becbe379140328a3c6700ba7b070086c63b63548ebb5509e","slot":null},{"block":null,"method":"eth_call","params":["0x032deC3372F25C41EA8054B4987a7c4832CDB338","symbol()"],"raw_result":"Some(\"NFLXon\")","result_hash":"b28602b6199e938c9a6b18ea784833fcca35a2ec280f1a0a3e00ddeaf3881d30","slot":null},{"block":null,"method":"eth_call","params":["0x032deC3372F25C41EA8054B4987a7c4832CDB338","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x032deC3372F25C41EA8054B4987a7c4832CDB338","balanceOf","0xdc15311937d13606C8E0D716C33ce8C9899df658"],"raw_result":"Some(\"1434574151253800480\")","result_hash":"7ebab1e4e4ac38d65a22aab1c18f677c37160f0ae807e71ea13994bbf95322a0","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","symbol()"],"raw_result":"Some(\"USDC\")","result_hash":"a3c9e246b0832b52e41efce041d8614251f5e288cdd4b192e85bfd3dfcb748ff","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","balanceOf","0xdc15311937d13606C8E0D716C33ce8C9899df658"],"raw_result":"Some(\"1019935382\")","result_hash":"350f0bfac0c33912f269c2cb4191c6daa3f5fa8a9896d28d547cdaf6993412d5","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","symbol()"],"raw_result":"Some(\"USDC\")","result_hash":"a3c9e246b0832b52e41efce041d8614251f5e288cdd4b192e85bfd3dfcb748ff","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","name()"],"raw_result":"Some(\"USD Coin\")","result_hash":"fe94af15dc887a2c9df1fb0d6d276e6c586ca9d430ffeac0d05e4baee0637fd1","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","totalSupply()"],"raw_result":"Some(\"48209727726649612\")","result_hash":"c830a0a8e722599ee89f628d063c64e1cd57dd7c3429128625396e040035017f","slot":null},{"block":null,"method":"eth_call","params":["0x032deC3372F25C41EA8054B4987a7c4832CDB338","symbol()"],"raw_result":"Some(\"NFLXon\")","result_hash":"b28602b6199e938c9a6b18ea784833fcca35a2ec280f1a0a3e00ddeaf3881d30","slot":null},{"block":null,"method":"eth_call","params":["0x032deC3372F25C41EA8054B4987a7c4832CDB338","name()"],"raw_result":"Some(\"Netflix (Ondo Tokenized)\")","result_hash":"614dd180c60917bdd9405c18fcb7daa4d52a127e46905607d9a774c2415928a4","slot":null},{"block":null,"method":"eth_call","params":["0x032deC3372F25C41EA8054B4987a7c4832CDB338","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x032deC3372F25C41EA8054B4987a7c4832CDB338","totalSupply()"],"raw_result":"Some(\"1210520799908644340449\")","result_hash":"b431697be5207a7d29014f15c56a2f632bba6b3d65e312d98f166e51ae69cf13","slot":null},{"block":null,"method":"eth_getCode","params":["0x032deC3372F25C41EA8054B4987a7c4832CDB338","latest"],"result_hash":"8538a8190a64db88a5e0ec4c95f0129f9eecd6f3a3aacb869262b82d01d123ec","slot":null},{"block":null,"method":"eth_getCode","params":["0x032deC3372F25C41EA8054B4987a7c4832CDB338","latest"],"result_hash":"8538a8190a64db88a5e0ec4c95f0129f9eecd6f3a3aacb869262b82d01d123ec","slot":null}],"registry_entry":{"chain":"ethereum","contract":"0x032deC3372F25C41EA8054B4987a7c4832CDB338","decimals":null,"issuer":"Ondo","last_checked":"2026-10-18T09:47:35Z","name":"Netflix (Ondo Tokenized)","official_deployments":[{"address":"0x032deC3372F25C41EA8054B4987a7c4832CDB338","network":"Ethereum"},{"address":"0x7048F5227b032326cC8DBC53cF3FdDD947a2c757","network":"BNB Chain"},{"address":"g4KnPrxPLeeKkwvDmZFMtYQPM64eHeShbD55vK6ondo","network":"Solana"},{"address":"0x81Ebb420a81855f1Bf1B0fF95eCa9d3Bd736ea89","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":"NFLX"},"registry_hash":"3143486c8ed17e52c07540b096bdf4ef50abfca368b23311d9290e9923561570","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xdc15311937d13606C8E0D716C33ce8C9899df658","ticker":"NFLX","verdict":{"Verified":{"issuer":"Ondo","ticker":"NFLX"}},"version":1}

Signature

zspB//RJ3abCG+rVYzsSNjISUiNrb9Pbi52nQg93/CarbHHreu6OAtKBrXUqB+apcQuDPmD4n3H6LvoWFR1DAA==

API call

GET /api/attest/a9ec969482c5ad77afff1a591214194eef5ed238cd3d8bf708e1873f88943745

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.