AMZNx/Unknown

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":"2026-09-30T00:16:35Z","dev":false,"expires_at":"2026-10-01T00:16:35Z","issuer":"Backed xStocks","pool":{"base":{"address":"Xs3eBt7uRfJX8QUs4suhyU8p2M6DoUDrJyWBa8LLZsg","balance":"108838518912","decimals":8,"symbol":"AMZNx"},"chain":"Solana","dex":"raydium-clmm","pool":"6m5aXAve4uh6Kt4ytKyCLWNMjd8PYP5vujwNCtycrUiD","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"142412681705","decimals":6,"symbol":null}},"quote_share_of_supply":0.006316997553039238,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"6d057cc44ce9af6a70c5fd80f92bc1081be369aa7268476947bdd35612e2b678","slot":451800188},{"block":null,"method":"getAccountInfo","params":["6m5aXAve4uh6Kt4ytKyCLWNMjd8PYP5vujwNCtycrUiD",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451800190},"value":{"data":["9+3j9dfD3kb+wnOkEPOaHXiIxRyjpUZScnkl1SZi/L29VIDs7GyT1T+9MBm2CF1ylXZSrlG8fjXNTif8IcGUg01azq3yJpKuQAfoAs0TorUaIV9PDWZcU9NsbaujOzH4gJvKoE4n7cDDxvp6877brTo9ZfNqq8l0MbG75MLS9uDkfKYCA0UvXWG51PrWaazQtCbGoEFJuFmbC1C1UHOUH4EbD5VV2BnY3j4b2foiMy2pmtpubVSBGTWneXetGY9bWn5CGZQU0CIFbs1HMfqDordls9lu865T48aQGOo0H8eIGCbUsHFSHCwIBjwAAiTD9GMCAAAAAAAAAAAAAEJ/ziEpKo6SAQAAAAAAAABdIwAAAAAAAGjOHVzftAgXAAAAAAAAAADE9Wpu7qKAnwAAAAAAAAAALtQKAAAAAAA5qw4AAAAAAMGdQTrhAQAAAAAAAAAAAAABhhIvYQQAAAAAAAAAAAAAK1xR6I0EAAAAAAAAAAAAAEDdvo/yAQAAAAAAAAAAAAAAAAAAAAAAAAO4AftoAAAAADg8BGkAAAAAODwEaQAAAAAAAAAAAAAAADoDAAAAAAAAAMHGHQAAAADrwL0dAAAAADTn72NMUvMf5wX7xZXjLJIN5M3GWYvW2hwp8ymmj3C4zQLtF6b8hSXCA4mgOs3PWzXeba/V0Y1sRV/vXWl5aVu9MBm2CF1ylXZSrlG8fjXNTif8IcGUg01azq3yJpKuQKgU9g/jEJYAAAAAAAAAAAAD9AH7aAAAAAB0PARpAAAAAHQ8BGkAAAAAAAAAAAAAAAAIAAAAAAAAAADUSQAAAAAAeL1JAAAAAAA3mYzL8tBFi2FcvMaxo2fEdJ6f73MGYi4bG1iRASC8mn9BFLJ47kNC5gadrqqyoWNmvgJyPZBqkGI8NlUmG8IqvTAZtghdcpV2Uq5RvH41zU4n/CHBlINNWs6t8iaSrkCYCugSKnQBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAL0wGbYIXXKVdlKuUbx+Nc1OJ/whwZSDTVrOrfImkq5AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAABfEAAAAAAAAAAAAAAAAAAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAz/e1AgEAAADnf3jqAAAAADhqy3ICAAAALf0/NAIAAAB5th0AAAAAAHasSgAAAAAAAAAAAAAAAAAVBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=","base64"],"executable":false,"lamports":11647332,"owner":"CAMMCzo5YL8w4VFF8KVHrK22GGUsp5VTaW7grrKgrWqK","rentEpoch":18446744073709551615,"space":1544}},"result_hash":"4a9148453170c2c066f95774d36cf61804c3057bb81fdc645a32ffdf9add6a9a","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["5BSujhdVKPx3QE361BJGzHqbDF3B4sNHy8cMRJGD5x6g",{"commitment":"confirmed"}],"result_hash":"5a3fc0cc99f4caf915813262ec9563f9c9d153934c0ca17fc722c117bb43381e","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["DWQnWAPHQWhUoM4NXwyyf4N2xQ1PECxHAQ88t3LL9pTF",{"commitment":"confirmed"}],"result_hash":"913194ae1f7aaaf616fc586d98d5bf7cf18d91a083ced7910a9dffa6dd866970","slot":null},{"block":null,"method":"getMultipleAccounts","params":[["Xs3eBt7uRfJX8QUs4suhyU8p2M6DoUDrJyWBa8LLZsg","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"c054f0b1fefb1fdcfca3a78f868047f90743f32d1500d0f483db7ea7c10c4d1b","slot":null},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"a49c3b9d043df60b621545b9fed9e540538794e170082eb37edee20569311a9f","slot":null},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451800210},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmbJPDCSZMpHAAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":534808027998,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"edab69efb6bd4cec7871ec89e5a9bcc904bc6da25c3780f9caa9bbad96cd070f","slot":null},{"block":null,"method":"getTokenSupply","params":["Xs3eBt7uRfJX8QUs4suhyU8p2M6DoUDrJyWBa8LLZsg",{"commitment":"confirmed"}],"result_hash":"e62c0c81b876191be3c196a022ecd7d815a27fa2e6235e82ab97aed924ef9b46","slot":null},{"block":null,"method":"getAccountInfo","params":["Xs3eBt7uRfJX8QUs4suhyU8p2M6DoUDrJyWBa8LLZsg",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451800228},"value":{"data":["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","base64"],"executable":false,"lamports":5644560,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":683}},"result_hash":"c9e9e059d0eb71b776dcc63187f233ed424d41bfc263f6c76b86277ee633ed6f","slot":null}],"registry_entry":{"chain":"Solana","contract":"Xs3eBt7uRfJX8QUs4suhyU8p2M6DoUDrJyWBa8LLZsg","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-09-29T23:37:23Z","name":"Amazon.com","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"AMZN"},"registry_hash":"b3f72fc9046ef9a37e433405d5916bce13581b85d8cce5889f24cf56e53b77b4","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":451800188,"subject":"6m5aXAve4uh6Kt4ytKyCLWNMjd8PYP5vujwNCtycrUiD","ticker":"AMZN","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"AMZN"}},"version":1}

Signature

cS2FcL9BOcLUDJyhY2zjYX3i80hdQiIg0yX6qsyD880imhfgR0UGAexePkpjgQHKMvRpqYAW7IpfsBOrPb0xDg==

API call

GET /api/attest/f008117cf5c126fbe2bf21f2489cf1ed5d7b64813bdc53b6c1173fa445f41378

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.