GLDx/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":"2026-09-30T00:14:08Z","dev":false,"expires_at":"2026-10-01T00:14:08Z","issuer":"Backed xStocks","pool":{"base":{"address":"Xsv9hRk1z5ystj9MhnA7Lq4vjSsLwzL2nxrwmwtD3re","balance":"202952448503","decimals":8,"symbol":"GLDx"},"chain":"Solana","dex":"raydium-clmm","pool":"78ReVNMLGRWmjtf2HmBoHUe2pRcsctXTTbxJnbhchyze","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"190536828019","decimals":6,"symbol":null}},"quote_share_of_supply":0.017455719350596546,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"b17003fb7719af51a92daf9b5c2b3e3821c2b8471cc877776befc0a24a23c2dc","slot":451799658},{"block":null,"method":"getAccountInfo","params":["78ReVNMLGRWmjtf2HmBoHUe2pRcsctXTTbxJnbhchyze",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451799660},"value":{"data":["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","base64"],"executable":false,"lamports":11647120,"owner":"CAMMCzo5YL8w4VFF8KVHrK22GGUsp5VTaW7grrKgrWqK","rentEpoch":18446744073709551615,"space":1544}},"result_hash":"53774627129d95e7c0f13de9b489c4e2688bee6462f983a4110db05130ae9530","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["8BECXqsvkZcWD1MpzYV4p7NXD8xu5ZzquQ52NNGFqUsm",{"commitment":"confirmed"}],"result_hash":"aa915f371bf3c1a9930aecb7b3fa3d82c0c52e13ad865497c96fd1b3b3735ce0","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["Qf2BrMGurzSMiqeXNKQdG6XzbWeWG9FCP7tndHNikNj",{"commitment":"confirmed"}],"result_hash":"dc0d5572e30b8cd6064b687b588159e06e19f3c9c3ca7312d7a3d3e89e54db38","slot":null},{"block":null,"method":"getMultipleAccounts","params":[["Xsv9hRk1z5ystj9MhnA7Lq4vjSsLwzL2nxrwmwtD3re","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"cd53ca4242240aebd427320b4488c238e4d95f03f9f4d3a9a7632ab6e97842f6","slot":null},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"15b9aa51f2c0ebc07700a660fad2fab66e5c0b4096bb6be7b36987e8a024cf8c","slot":null},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451799666},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmb08ANwJQpHAAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":534808027998,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"45fc7d47b2fe4408c84fe8f93515c85da8f82b7f2a80a66d43a3cfdb1fa4ee22","slot":null},{"block":null,"method":"getTokenSupply","params":["Xsv9hRk1z5ystj9MhnA7Lq4vjSsLwzL2nxrwmwtD3re",{"commitment":"confirmed"}],"result_hash":"458f59d2557716dfd0d5e8d9d7334bb72f421772967c7681a42228c25b848120","slot":null},{"block":null,"method":"getAccountInfo","params":["Xsv9hRk1z5ystj9MhnA7Lq4vjSsLwzL2nxrwmwtD3re",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451799684},"value":{"data":["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","base64"],"executable":false,"lamports":6078314850,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":675}},"result_hash":"ab7ce0db8b42149f99ae25148f7986716c415a59008e1ddfdae273b146ce469d","slot":null}],"registry_entry":{"chain":"Solana","contract":"Xsv9hRk1z5ystj9MhnA7Lq4vjSsLwzL2nxrwmwtD3re","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-09-29T23:37:23Z","name":"Gold","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"GLD"},"registry_hash":"b3f72fc9046ef9a37e433405d5916bce13581b85d8cce5889f24cf56e53b77b4","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":451799658,"subject":"78ReVNMLGRWmjtf2HmBoHUe2pRcsctXTTbxJnbhchyze","ticker":"GLD","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"GLD"}},"version":1}

Signature

uaxkU8WMMMSnX51bOrYs2I3BqPsIYt6q9ugYOEqeZXeVG45MxnjSdHULYhpVHFk3MxlFuV1Pj11baB0TwUPhBw==

API call

GET /api/attest/6e3bf253a67fa88879c9240b60ef522f924a31108f65f5b08e82ff1d034e6039

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.