Does AMDon / Unknown 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":null,"chain":"solana","checked_at":"2026-10-19T03:02:39Z","dev":false,"expires_at":"2026-10-20T03:02:39Z","issuer":"Ondo","pool":{"base":{"address":"14diAn5z8kjrKwSC8WLqvBqqe5YmihJhjxRxd8Z6ondo","balance":"1283746372","decimals":9,"symbol":"AMDon"},"chain":"solana","dex":"meteora-dlmm","pool":"Ew1rQWctC8tDDy14tCzAGmgQ72NWobhowNK76BZrVHT7","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"634953854","decimals":6,"symbol":null}},"quote_share_of_supply":0.004017699201637936,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"9c2ddb47683435156afc5da419b65b853fb60e666526d092d9e2c37cfb52467a","slot":458676516},{"block":null,"method":"getAccountInfo","params":["Ew1rQWctC8tDDy14tCzAGmgQ72NWobhowNK76BZrVHT7",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":458676517},"value":{"data":["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","base64"],"executable":false,"lamports":7183720,"owner":"LBUZKhRxPF3XUpBCjp4YzTKgLccjZhTSDM9YuVaPwxo","rentEpoch":18446744073709551615,"space":904}},"result_hash":"b21d039e0b64f8f6a30e906806685a8d0b8153c5b168bb91ff52155c506ea1b4","slot":458676517},{"block":null,"method":"getTokenAccountBalance","params":["Ccmc7DN8p6aZge4T6r87ofhwVWFus4DEC1E3MwQ1brEY",{"commitment":"confirmed"}],"result_hash":"4f3a18f29e74e9c438520649793a5f11dc5b1929c45188326aa969ac36114329","slot":458676518},{"block":null,"method":"getTokenAccountBalance","params":["2dWi8zFHoxZa1jJWsP2P9guDHYaxb2ZYhMgXq7ykkxug",{"commitment":"confirmed"}],"result_hash":"39949544e7fc00dfbe496082dbbefb31d4d77736abef5a51c55975b8204a01d3","slot":458676519},{"block":null,"method":"getMultipleAccounts","params":[["14diAn5z8kjrKwSC8WLqvBqqe5YmihJhjxRxd8Z6ondo","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"3d373209b887241d006146f9d0fba887ed9ae43afde54ede19c43c52b1b62fa7","slot":458676520},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"1814c1198dbd7f62ce1fcd8f9848b7a97e55f0084ba8e37e9e63672b7ba5390e","slot":458676521},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":458676522},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmbLIBTd0lOGwAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":556436563008,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"c38955d7056c22f8ccd0c83912e61d4a2c455cac3839053b77f537195e9c759c","slot":458676522},{"block":null,"method":"getProgramAccounts","params":["metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s",{"commitment":"confirmed","encoding":"base64","filters":[{"memcmp":{"bytes":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","offset":33}}]}],"result_hash":"85ed2b681fcd867f23813dfe31c8a2490c6fd4cdc10d37000244f0ba61f13af0","slot":null},{"block":null,"method":"getTokenSupply","params":["14diAn5z8kjrKwSC8WLqvBqqe5YmihJhjxRxd8Z6ondo",{"commitment":"confirmed"}],"result_hash":"ed6c595da1114ea3d47b5df6aac8b2f90a2b3802bbec84e6778e6b5cf61b77e6","slot":458676525},{"block":null,"method":"getAccountInfo","params":["14diAn5z8kjrKwSC8WLqvBqqe5YmihJhjxRxd8Z6ondo",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":458676526},"value":{"data":["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","base64"],"executable":false,"lamports":5373120,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":644}},"result_hash":"9c7169ce6498e2ae2c58688d2677ea8fd48d2b1834f8001aa636718c85452816","slot":458676526},{"block":null,"method":"getProgramAccounts","params":["metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s",{"commitment":"confirmed","encoding":"base64","filters":[{"memcmp":{"bytes":"14diAn5z8kjrKwSC8WLqvBqqe5YmihJhjxRxd8Z6ondo","offset":33}}]}],"result_hash":"4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945","slot":null}],"registry_entry":{"chain":"solana","contract":"14diAn5z8kjrKwSC8WLqvBqqe5YmihJhjxRxd8Z6ondo","decimals":null,"issuer":"Ondo","last_checked":"2026-10-18T20:40:22Z","name":"AMD (Ondo Tokenized)","official_deployments":[{"address":"0x0C1f3412A44Ff99E40bF14e06e5Ea321aE7B3938","network":"Ethereum"},{"address":"0x9f16E46c73b43BDB70861247d537bEE4eA18F639","network":"BNB Chain"},{"address":"14diAn5z8kjrKwSC8WLqvBqqe5YmihJhjxRxd8Z6ondo","network":"Solana"},{"address":"0x33706203A7a7c82B6F6c09dd9Ae4E6e881d36386","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":"AMD"},"registry_hash":"0bd20861acb250fc115ebe98f0dbbb7c686b15c772a071c9020aa5154f2d195f","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":458676516,"subject":"Ew1rQWctC8tDDy14tCzAGmgQ72NWobhowNK76BZrVHT7","ticker":"AMD","verdict":{"Verified":{"issuer":"Ondo","ticker":"AMD"}},"version":1}

Signature

o+FQLdMQoEH9Yh5V2+IoCXR/pP00xEKEy8ADw8yY+mnjPG98cA/FEgzzbzRsHV79gat+TQpKdQO7bYK9JWziCQ==

API call

GET /api/attest/a130d393176e2f29080fbaf8c1dbaf62b9a382d3f7bc39d5241c60db575677b6

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.