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":"2026-10-18T19:04:28Z","dev":false,"expires_at":"2026-10-19T19:04:28Z","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":"7b3a678908322b4c94502af57aa1b5470b129fb5bde91d00cb48f51f63e0d893","slot":458544412},{"block":null,"method":"getAccountInfo","params":["Ew1rQWctC8tDDy14tCzAGmgQ72NWobhowNK76BZrVHT7",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":458544414},"value":{"data":["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","base64"],"executable":false,"lamports":7183720,"owner":"LBUZKhRxPF3XUpBCjp4YzTKgLccjZhTSDM9YuVaPwxo","rentEpoch":18446744073709551615,"space":904}},"result_hash":"59412e7c9696d24c49b4178d0008e71387b49cae4209041feaac022172c21265","slot":458544414},{"block":null,"method":"getTokenAccountBalance","params":["Ccmc7DN8p6aZge4T6r87ofhwVWFus4DEC1E3MwQ1brEY",{"commitment":"confirmed"}],"result_hash":"6863f7bab51aeb2dd1c849fec446d58de8d61f1e38af5415cc467e3cef5b75c3","slot":458544415},{"block":null,"method":"getTokenAccountBalance","params":["2dWi8zFHoxZa1jJWsP2P9guDHYaxb2ZYhMgXq7ykkxug",{"commitment":"confirmed"}],"result_hash":"f3197e98bec3e0bf41725cd6ce6fcc393a6708033d02e0c2658a9c7f579439f3","slot":458544416},{"block":null,"method":"getMultipleAccounts","params":[["14diAn5z8kjrKwSC8WLqvBqqe5YmihJhjxRxd8Z6ondo","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"373b20228cd7c6d514ddd1c725f973eeca28c84aae0e84af5905912e8d6be2bb","slot":458544418},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"97b452e9d04958ce07e33cfcc32dbfa6b868fec17d5bc59a703928439b56756e","slot":458544418},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":458544420},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmbsa2m5QJYGwAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":556436563008,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"b19dac6184f180cf6ae5cacb2bf054758a04200d93de17ecfc7d2aaa963c254e","slot":458544420},{"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":"a829ed18418bf07f7fc6705136ede85d1fe77563bee76550dfac175aabf52ca5","slot":458544422},{"block":null,"method":"getAccountInfo","params":["14diAn5z8kjrKwSC8WLqvBqqe5YmihJhjxRxd8Z6ondo",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":458544423},"value":{"data":["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","base64"],"executable":false,"lamports":5373120,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":644}},"result_hash":"7d079282ba3d9630e34c5dcb870552b9b97513c4a887cddd9ee6c70b6be67396","slot":458544423},{"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":"2026-10-18T18:54:11Z","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":"e40a8f7ec2f1a2c1d6467a45e0976602299513549c0406d646df02a3ecb928c8","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":458544412,"subject":"Ew1rQWctC8tDDy14tCzAGmgQ72NWobhowNK76BZrVHT7","ticker":"AMD","verdict":{"Verified":{"issuer":"Ondo","ticker":"AMD"}},"version":1}

Signature

ZmJYRvk/Tlf7gkwv8nFgwr2FRD3ZZa0/PC+UbZ2utEzmw/yQHpgVOk0RNlwbaLUGyEGDDuo0LiYjgj4zm5uTBw==

API call

GET /api/attest/6d1e4c327b71149405ef157389533363248a47b47d1f39fc219119c0499d7063

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.