SPCXx/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":"2026-09-30T00:12:10Z","dev":false,"expires_at":"2026-10-01T00:12:10Z","issuer":"Backed xStocks","pool":{"base":{"address":"Xs3oZwbHvqis4NYcf4YKWmEia2eC84wSiVrcYcTqpH8","balance":"833948362431","decimals":8,"symbol":"SPCXx"},"chain":"Solana","dex":"raydium-clmm","pool":"AHNN6JmvaGG6XUoSg7sEr38gRYDB2jTbUvqXVuqaRHpq","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"1487061076266","decimals":6,"symbol":null}},"quote_share_of_supply":0.014892351813544714,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"8770511780bb6bb7895696349198ff76acb618e32d8feb39f8ad34b123da188c","slot":451799215},{"block":null,"method":"getAccountInfo","params":["AHNN6JmvaGG6XUoSg7sEr38gRYDB2jTbUvqXVuqaRHpq",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451799216},"value":{"data":["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","base64"],"executable":false,"lamports":11638120,"owner":"CAMMCzo5YL8w4VFF8KVHrK22GGUsp5VTaW7grrKgrWqK","rentEpoch":18446744073709551615,"space":1544}},"result_hash":"f2f2e25839b02fbf959f0a7f0446252297dcf96410e8fc3024abd515253617d9","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["AUpEZuNEZfqUXqsoiTymSEwiRXwT67Vvr1bnBqyQSzNv",{"commitment":"confirmed"}],"result_hash":"d4926c5bdfe651826cc06fb4e816ae76cf285812dfd51ab2deb93c9a444c027d","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["2wmq9LoqAjyKr5YkenAkGozA7xZvbfrCqJXFUuyQHYoa",{"commitment":"confirmed"}],"result_hash":"d28815dc9ce3d6fc5a6deb3b02c05fce9371893d7fc2b2102976922467895229","slot":null},{"block":null,"method":"getMultipleAccounts","params":[["Xs3oZwbHvqis4NYcf4YKWmEia2eC84wSiVrcYcTqpH8","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"84d4328bb9bfecfa600a85e1e312959faa938838d71dcbbb08b69f6cb28cc9dc","slot":null},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"4becd4c678708df8f7c79df5f9de503cd5e507d50cb4267143f93c6e13f01862","slot":null},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451799221},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmbP7gtxpQpHAAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":534808027998,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"154d945603c02ee831d14b40645e6e728147a7fe1a932460d93d86fe373d36ad","slot":null},{"block":null,"method":"getTokenSupply","params":["Xs3oZwbHvqis4NYcf4YKWmEia2eC84wSiVrcYcTqpH8",{"commitment":"confirmed"}],"result_hash":"ccf9242cd7cdfa247d00c262538481a3cfc6fbe0578d549baa48b28ca9b05b60","slot":null},{"block":null,"method":"getAccountInfo","params":["Xs3oZwbHvqis4NYcf4YKWmEia2eC84wSiVrcYcTqpH8",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451799240},"value":{"data":["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","base64"],"executable":false,"lamports":2390453155,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":679}},"result_hash":"aeac2b95127548b6f63ee38163999e109ac0b14e566e6050eaaa791f2e1752ba","slot":null}],"registry_entry":{"chain":"Solana","contract":"Xs3oZwbHvqis4NYcf4YKWmEia2eC84wSiVrcYcTqpH8","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-09-29T23:37:23Z","name":"SpaceX","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"SPCX"},"registry_hash":"b3f72fc9046ef9a37e433405d5916bce13581b85d8cce5889f24cf56e53b77b4","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":451799215,"subject":"AHNN6JmvaGG6XUoSg7sEr38gRYDB2jTbUvqXVuqaRHpq","ticker":"SPCX","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"SPCX"}},"version":1}

Signature

U60bplAEaDbWLOoeHrxQjuaiXchz8yDI/6PQVn1YjvP+HN/8xXWLYUYK/cjhkkllVjk3mOX6TjzrudYnRLTfCA==

API call

GET /api/attest/6edea9eecc620449a7c3f6a4fb27c8f1ea4e9effd0c8fcdc332ce35e6c407205

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.