SKHYx/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":"2026-10-03T11:06:44Z","dev":false,"expires_at":"2026-10-04T11:06:44Z","issuer":"Backed xStocks","pool":{"base":{"address":"XsnhgGRQwhExfS2bmWzR6EYddKGPRGDEjeJsatkmKqU","balance":"98929898","decimals":8,"symbol":"SKHYx"},"chain":"Solana","dex":"raydium-clmm","pool":"3vcVNWJjGCHtKLYWhHBDpkdmwSogXsyd8Kom299GYMbC","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"185286338","decimals":6,"symbol":null}},"quote_share_of_supply":0.000012656012709868589,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"b2e0762fb5baf7b986bed77f0eb9bc2ba9765758ca8bc9bcecb77fb2c5ad5afb","slot":452915095},{"block":null,"method":"getAccountInfo","params":["3vcVNWJjGCHtKLYWhHBDpkdmwSogXsyd8Kom299GYMbC",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":452915096},"value":{"data":["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","base64"],"executable":false,"lamports":8493760,"owner":"CAMMCzo5YL8w4VFF8KVHrK22GGUsp5VTaW7grrKgrWqK","rentEpoch":18446744073709551615,"space":1544}},"result_hash":"ee81faec26f9caabd39991b7da4c2651d94d16efd5bd52282633b6c129662a9d","slot":452915096},{"block":null,"method":"getTokenAccountBalance","params":["AbgMrdFPurYa9JNZLuhCg69rN2JiMC27pyPr5mzvqMb3",{"commitment":"confirmed"}],"result_hash":"878b7d0aae45106676c4a4ea63954db3b9ca04819ab4343733cf091791027351","slot":452915097},{"block":null,"method":"getTokenAccountBalance","params":["27JP6r56bzr1UAyHDNjAwDV2cJg8SrgVqho5AVk5CeAz",{"commitment":"confirmed"}],"result_hash":"f8d3fd4120bd0e61d77d9e4ddc7ff04b24760ae66551a202c548a2a57a8ed7c0","slot":452915098},{"block":null,"method":"getMultipleAccounts","params":[["XsnhgGRQwhExfS2bmWzR6EYddKGPRGDEjeJsatkmKqU","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"c305811d9ce0a7f80b3e80b9c33c781dbc2538d0b79a5a53d8519c71fa5f97d8","slot":452915099},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"f70c93c50a8dc2777150d41a9a634bc5ffe08b68113b69bb90dfaa28e711192a","slot":452915100},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":452915101},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmbPvJf+obwHQAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":535328983427,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"21739db7376f73d90b9e22e27f5e06edef2143bcf4e55ca40ce0a5194df3dec2","slot":452915101},{"block":null,"method":"getTokenSupply","params":["XsnhgGRQwhExfS2bmWzR6EYddKGPRGDEjeJsatkmKqU",{"commitment":"confirmed"}],"result_hash":"8d46502bfbdffd55c2f1b1de851185af63794728980704aa3031315ff37bc447","slot":452915118},{"block":null,"method":"getAccountInfo","params":["XsnhgGRQwhExfS2bmWzR6EYddKGPRGDEjeJsatkmKqU",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":452915119},"value":{"data":["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","base64"],"executable":false,"lamports":5630640,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":681}},"result_hash":"bf3ad3e6b749e3a5d710a412fc960b79be56939e7b12df87423c8ed5a1fc9af3","slot":452915119}],"registry_entry":{"chain":"Solana","contract":"XsnhgGRQwhExfS2bmWzR6EYddKGPRGDEjeJsatkmKqU","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-10-03T10:28:15Z","name":"SK hynix","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"SKHY"},"registry_hash":"b297e6aa6566ad45f5619b0bbe07f8fa53ac395ac085f074577e72cab22030fd","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":452915095,"subject":"3vcVNWJjGCHtKLYWhHBDpkdmwSogXsyd8Kom299GYMbC","ticker":"SKHY","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"SKHY"}},"version":1}

Signature

nmLDQte6s6RHUzUqUYd17csxcqtkI3B2oobr17nwZ+sYdOgzyMN6XBxRjaXa83iYKYXcD/+4nUccwFdf4vJRCQ==

API call

GET /api/attest/3afdefeee82582fd7c08868175b174611df9701c8240c15b73127791a21a0f55

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.