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":"2026-10-20T03:58:04Z","dev":false,"expires_at":"2026-10-21T03:58:04Z","issuer":"Ondo","pool":{"base":{"address":"XsCPL9dNWBMvFtTmwcCA5v3xWPSMEBCszbQdiLLq6aN","balance":"429178965","decimals":8,"symbol":"GOOGLx"},"chain":"solana","dex":"meteora-dlmm","pool":"2YAewxH8qce5g7Z6F139LcurXZDEFbWi56NFJjSKXzWS","quote":{"address":"bbahNA5vT9WJeYft8tALrH1LXWffjwqVoUbqYa1ondo","balance":"2234455509","decimals":9,"symbol":"GOOGLon"}},"quote_share_of_supply":0.0029067817826570956,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"cd43ff6b4913db09bf87cbc6f7683b40b0e968692287aa03cddcc64aac83c230","slot":459089403},{"block":null,"method":"getAccountInfo","params":["2YAewxH8qce5g7Z6F139LcurXZDEFbWi56NFJjSKXzWS",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":459089405},"value":{"data":["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","base64"],"executable":false,"lamports":5242560,"owner":"LBUZKhRxPF3XUpBCjp4YzTKgLccjZhTSDM9YuVaPwxo","rentEpoch":18446744073709551615,"space":904}},"result_hash":"6fcab5ae565d56d470dd6e8e6ca61d4ad5550184200238b7cced2f50d2505787","slot":459089405},{"block":null,"method":"getTokenAccountBalance","params":["AUjmuPqFoNdnNwbRMVEWpsjRD4c448qZ2uX5WFi16Zsv",{"commitment":"confirmed"}],"result_hash":"9178909389cf09840c6ee44a13d18dea860523e5beda6f94ac1949ee781c25c1","slot":459089406},{"block":null,"method":"getTokenAccountBalance","params":["HmBqYgDtrgfG45XAxNeXbG9S1qsua2zrkGouPvbUGnyy",{"commitment":"confirmed"}],"result_hash":"32b103fe39e2becab41da85ceadd5b48f47bce71269bcb94875fa5b14d02b4dd","slot":459089407},{"block":null,"method":"getMultipleAccounts","params":[["XsCPL9dNWBMvFtTmwcCA5v3xWPSMEBCszbQdiLLq6aN","bbahNA5vT9WJeYft8tALrH1LXWffjwqVoUbqYa1ondo"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"9bead6a33795c54e62af999ba2f2bdf15658af72481d8cc1895c2360da76de2d","slot":459089408},{"block":null,"method":"getTokenSupply","params":["XsCPL9dNWBMvFtTmwcCA5v3xWPSMEBCszbQdiLLq6aN",{"commitment":"confirmed"}],"result_hash":"b00569e80d487e4c694086ab62da4ec6947aaee490ee216bc59ccc0ee5dfdb9d","slot":459089409},{"block":null,"method":"getAccountInfo","params":["XsCPL9dNWBMvFtTmwcCA5v3xWPSMEBCszbQdiLLq6aN",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":459089410},"value":{"data":["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","base64"],"executable":false,"lamports":31644560,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":683}},"result_hash":"16ba1d1510f5777c8c73c6f4397c47f97d2c33b1f9cb79a61716dbe6a115483c","slot":459089410},{"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":"466074348c39ac3c08791e1f493d8f9f99b9371d15a1064159e47641a64b7593","slot":459089412},{"block":null,"method":"getAccountInfo","params":["bbahNA5vT9WJeYft8tALrH1LXWffjwqVoUbqYa1ondo",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":459089415},"value":{"data":["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","base64"],"executable":false,"lamports":5491440,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":661}},"result_hash":"d5cf6685f1e03e4bfe6e47f101a5c1de9d7804bf82d68a3d22637c3694d80747","slot":459089415},{"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":"2026-10-19T21:40:22Z","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":"f3939bae933ba4104be438e67c414e84d9eb518cec0448785678b642b9519284","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":459089403,"subject":"2YAewxH8qce5g7Z6F139LcurXZDEFbWi56NFJjSKXzWS","ticker":"GOOGL","verdict":{"Verified":{"issuer":"Ondo","ticker":"GOOGL"}},"version":1}

Signature

IG9XU0G05k9p7HCVje6R3zDfrC9iqY9cj9RR5Rwg7lUpjOywQq00BaANVvd5qXBbMPMotG2+74IubHUJrXkFDQ==

API call

GET /api/attest/38e684441e78eb5586fabb235ff80e210f94efd224d237ebf350bf79b1bfb161

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.