ASMLx/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":"2026-09-29T17:54:27Z","dev":false,"expires_at":"2026-09-30T17:54:27Z","issuer":"Backed xStocks","pool":{"base":{"address":"XshuHQ6o6SVpUNawvnnTMxsZ4tacZsNgVCLorv7TkFq","balance":"4657469","decimals":8,"symbol":"ASMLx"},"chain":"Solana","dex":"orca-whirlpool","pool":"DioZDLto4ASwBRJecyX73Cb14jGM9hNNFUscoemkkzNi","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"80597970","decimals":6,"symbol":null}},"quote_share_of_supply":4.95475426685213e-6,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"72baddaddf0c7f5c41c074084c1c1e042885e03b096d511dd6a3b59a02406861","slot":451714721},{"block":null,"method":"getAccountInfo","params":["DioZDLto4ASwBRJecyX73Cb14jGM9hNNFUscoemkkzNi",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451714722},"value":{"data":["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","base64"],"executable":false,"lamports":5435760,"owner":"whirLbMiicVdio4qvUfM5KAg6Ct8VwpYzGff3uctyCc","rentEpoch":18446744073709551615,"space":653}},"result_hash":"82399aa210bef1d731b5f1cfbe116eb4a826e9b3618437236d6f18a01f4e5207","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["6LuJ1yksKYrqWuQ4FDoh9poNuJAUmsykHPkT6VYF96Af",{"commitment":"confirmed"}],"result_hash":"f5aa4b828c00bd1c0e5d5e8a20d05a8feefe860ee6c1e0741deb6154dd0a6389","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["5CWaKz5V9RaxH11joLu11aezH9F3hv1KBsmmMvsAYqd6",{"commitment":"confirmed"}],"result_hash":"dca8097b6c0c599adae3be9c3deef0fa0d8ab5766d8fdb8a70465a27212fffb4","slot":null},{"block":null,"method":"getMultipleAccounts","params":[["XshuHQ6o6SVpUNawvnnTMxsZ4tacZsNgVCLorv7TkFq","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"c070483146d4d8aadc9b11569459216ea109d66f05800355d1a88582f85fbe0e","slot":null},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"e8fb0c239ed0c43b9375fdfc3068856825efed25298f8eb058fe7851b9f48148","slot":null},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451714727},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmb2R1hFyN1HAAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":534808027998,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"60a671bca0b45eee2fdf9aa78abf44a03a906d9d36d54f7cd3b80627836c406f","slot":null},{"block":null,"method":"getTokenSupply","params":["XshuHQ6o6SVpUNawvnnTMxsZ4tacZsNgVCLorv7TkFq",{"commitment":"confirmed"}],"result_hash":"9ef1646601737b6aea020b5c1fd23bb904fedb66261e92d18e6ff82da315fb6e","slot":null},{"block":null,"method":"getAccountInfo","params":["XshuHQ6o6SVpUNawvnnTMxsZ4tacZsNgVCLorv7TkFq",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451714745},"value":{"data":["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","base64"],"executable":false,"lamports":5602800,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":677}},"result_hash":"ddfd940f32a907f14c0c7f631c81f76fcc5d378664f5f8dbe2d435b262c9b50d","slot":null}],"registry_entry":{"chain":"Solana","contract":"XshuHQ6o6SVpUNawvnnTMxsZ4tacZsNgVCLorv7TkFq","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-09-29T17:37:23Z","name":"ASML","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"ASML"},"registry_hash":"f189f325318d314f25c8315e697f5659668d944e1e16ca888046ea785bc1f538","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":451714721,"subject":"DioZDLto4ASwBRJecyX73Cb14jGM9hNNFUscoemkkzNi","ticker":"ASML","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"ASML"}},"version":1}

Signature

fFYSP0HF8kh8gIMI43RpNWbAe0Y2Lc1Efpz+0HlPtfpAkaRJwqZ3Ch4g5hGR+TCYf8VFX3B1OtJH47RkwwrGCQ==

API call

GET /api/attest/e2168aae8412ce5b003ea61bf02b510567d50ce1a8f0c3974a576147ba7e2481

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.