Does GOOGLon / GOOGLx 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":"2026-10-18T16:12:04Z","dev":false,"expires_at":"2026-10-19T16:12:04Z","issuer":"Ondo","pool":{"base":{"address":"XsCPL9dNWBMvFtTmwcCA5v3xWPSMEBCszbQdiLLq6aN","balance":"319892139","decimals":8,"symbol":"GOOGLx"},"chain":"solana","dex":"meteora-dlmm","pool":"44HYCHVmWcEdgamxqkzapSu7VuAzp3rutV9Fp39Aadjs","quote":{"address":"bbahNA5vT9WJeYft8tALrH1LXWffjwqVoUbqYa1ondo","balance":"2507677508","decimals":9,"symbol":"GOOGLon"}},"quote_share_of_supply":0.0032693641107626966,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"f3c17debb90ea6d74f7b9486beb60ba40d73a0957cb852e014c0f37e79a3642a","slot":458496774},{"block":null,"method":"getAccountInfo","params":["44HYCHVmWcEdgamxqkzapSu7VuAzp3rutV9Fp39Aadjs",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":458496775},"value":{"data":["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","base64"],"executable":false,"lamports":7182720,"owner":"LBUZKhRxPF3XUpBCjp4YzTKgLccjZhTSDM9YuVaPwxo","rentEpoch":18446744073709551615,"space":904}},"result_hash":"6ce9d8395a47ff955d107c3a62358ced6d7068cb9a3b39790c523ae8334892b8","slot":458496775},{"block":null,"method":"getTokenAccountBalance","params":["Fp57WC7x8ggxSvoGbvcKEDNCpWFjwinGb1qbEJVfNV9p",{"commitment":"confirmed"}],"result_hash":"ca2ea06d031f6c1ae734c2b407c569191736ad9f6e38792d78d2a7b980aaf79d","slot":458496776},{"block":null,"method":"getTokenAccountBalance","params":["BE3zNy46fokwBD3zHeLMHPJoomYUTtVUhd8yGkZty5fD",{"commitment":"confirmed"}],"result_hash":"1ec02aed79f988db92f4b56aae6dbd649493daaf7dbaf45ce9b0f7e15b1680df","slot":458496777},{"block":null,"method":"getMultipleAccounts","params":[["XsCPL9dNWBMvFtTmwcCA5v3xWPSMEBCszbQdiLLq6aN","bbahNA5vT9WJeYft8tALrH1LXWffjwqVoUbqYa1ondo"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"26ded23d47d99a504bd035bc2612d9713a07f7333026cb0dade1185bcfae3e04","slot":458496778},{"block":null,"method":"getTokenSupply","params":["XsCPL9dNWBMvFtTmwcCA5v3xWPSMEBCszbQdiLLq6aN",{"commitment":"confirmed"}],"result_hash":"4e8a506aca3247d4754c7b00e10e55f78de348d5c84965078ecc7f1e40386b2c","slot":458496779},{"block":null,"method":"getAccountInfo","params":["XsCPL9dNWBMvFtTmwcCA5v3xWPSMEBCszbQdiLLq6aN",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":458496780},"value":{"data":["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","base64"],"executable":false,"lamports":31644560,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":683}},"result_hash":"4b7c3afe667f92ad81e12fac55dadb05f858410727de2447dc509ef00f4eee58","slot":458496780},{"block":null,"method":"getProgramAccounts","params":["metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s",{"commitment":"confirmed","encoding":"base64","filters":[{"memcmp":{"bytes":"XsCPL9dNWBMvFtTmwcCA5v3xWPSMEBCszbQdiLLq6aN","offset":33}}]}],"result_hash":"4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945","slot":null},{"block":null,"method":"getTokenSupply","params":["bbahNA5vT9WJeYft8tALrH1LXWffjwqVoUbqYa1ondo",{"commitment":"confirmed"}],"result_hash":"a9ba373a6a312542bf58140a876054ec0f1da09306716eb23d851c2dc9f741b5","slot":458496783},{"block":null,"method":"getAccountInfo","params":["bbahNA5vT9WJeYft8tALrH1LXWffjwqVoUbqYa1ondo",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":458496784},"value":{"data":["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","base64"],"executable":false,"lamports":5491440,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":661}},"result_hash":"9c8c9b63b5583b1bba9cf05f293c39b801f4c946b1c2b9e24709d4ffe3af0689","slot":458496784},{"block":null,"method":"getProgramAccounts","params":["metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s",{"commitment":"confirmed","encoding":"base64","filters":[{"memcmp":{"bytes":"bbahNA5vT9WJeYft8tALrH1LXWffjwqVoUbqYa1ondo","offset":33}}]}],"result_hash":"4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945","slot":null}],"registry_entry":{"chain":"solana","contract":"bbahNA5vT9WJeYft8tALrH1LXWffjwqVoUbqYa1ondo","decimals":null,"issuer":"Ondo","last_checked":"2026-10-18T09:47:35Z","name":"Alphabet Class A (Ondo Tokenized)","official_deployments":[{"address":"0xbA47214eDd2bb43099611b208f75E4b42FDcfEDc","network":"Ethereum"},{"address":"0x091FC7778e6932d4009B087B191D1EE3bac5729A","network":"BNB Chain"},{"address":"bbahNA5vT9WJeYft8tALrH1LXWffjwqVoUbqYa1ondo","network":"Solana"},{"address":"0x4D34798f18Eb747F7225663F0553eA2D880cf75D","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":"GOOGL"},"registry_hash":"2bf13ff4020924ba1c74d8e732c3dd1609679a3b9a6dc8a796250beb0ae1b589","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":458496774,"subject":"44HYCHVmWcEdgamxqkzapSu7VuAzp3rutV9Fp39Aadjs","ticker":"GOOGL","verdict":{"Verified":{"issuer":"Ondo","ticker":"GOOGL"}},"version":1}

Signature

DzNMeiwpDYd+CKtLqiclujx3fs7URm5Ay/8OtahLhAMuGDYYXrbOfwJNlGD58hPC7s1UpC8nxrnJ5c1N5DofDw==

API call

GET /api/attest/e0c78bac7bda8bd3a452981b6983ff4e1370e48a35e6401caf9862f4bc62b192

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.