WMTx/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":"2026-09-30T00:23:30Z","dev":false,"expires_at":"2026-10-01T00:23:30Z","issuer":"Backed xStocks","pool":{"base":{"address":"Xs151QeqTCiuKtinzfRATnUESM2xTU6V9Wy8Vy538ci","balance":"3922361461","decimals":8,"symbol":"WMTx"},"chain":"Solana","dex":"raydium-clmm","pool":"36m7kUFCFheNBnvXDSvgCMt5c27VbUbhQnugCReFhet7","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"2921197789","decimals":6,"symbol":null}},"quote_share_of_supply":0.000295029994198668,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"96c8e8956b51d98fd1a0e0df65becb185e14dd6fbd2648da95f36448421deed5","slot":451801755},{"block":null,"method":"getAccountInfo","params":["36m7kUFCFheNBnvXDSvgCMt5c27VbUbhQnugCReFhet7",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451801757},"value":{"data":["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","base64"],"executable":false,"lamports":11643126,"owner":"CAMMCzo5YL8w4VFF8KVHrK22GGUsp5VTaW7grrKgrWqK","rentEpoch":18446744073709551615,"space":1544}},"result_hash":"3d51d126a590c525d0ada1e116795696d1685f202b32b11b1115c60a97cb9fb0","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["EMtzSF6T3VyY7W2do5aqsYQUeeBhevkekUbeD1PG5tr5",{"commitment":"confirmed"}],"result_hash":"8f958ce902e3c0d7d2230dc4c5098f39877400cae83f32ca45f4a1cb5dadf4cf","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["Fkg9zqjUybVGyNZ2VYHyCxFeM4pxirJXp7z7XMivVSGy",{"commitment":"confirmed"}],"result_hash":"6c197fd966e11fc6e424bdd6db7c8864bfc73f5812b728b175420be96bae1b94","slot":null},{"block":null,"method":"getMultipleAccounts","params":[["Xs151QeqTCiuKtinzfRATnUESM2xTU6V9Wy8Vy538ci","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"a2e51c6dc450c18b7ce6001447051a91f2a7206895d51c00ed1a8fb67e94f135","slot":null},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"87998a0a0f0dafada86ff23fe9741afd092b897e8b873d4bf140777e70494872","slot":null},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451801763},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmbcx6ATHb0GwAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":534808027998,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"1b38dca7683ddd371ef1a194fae782e05fe085b7b76eb6502d2ab876cadc07fc","slot":null},{"block":null,"method":"getTokenSupply","params":["Xs151QeqTCiuKtinzfRATnUESM2xTU6V9Wy8Vy538ci",{"commitment":"confirmed"}],"result_hash":"ca720ffb311777d0e7d830bfe8fdbf927bfd10c60d3ab3314e7378ab66c6455a","slot":null},{"block":null,"method":"getAccountInfo","params":["Xs151QeqTCiuKtinzfRATnUESM2xTU6V9Wy8Vy538ci",{"commitment":"confirmed","enc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xStocks","last_checked":"2026-09-29T23:37:23Z","name":"Walmart","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"WMT"},"registry_hash":"b3f72fc9046ef9a37e433405d5916bce13581b85d8cce5889f24cf56e53b77b4","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":451801755,"subject":"36m7kUFCFheNBnvXDSvgCMt5c27VbUbhQnugCReFhet7","ticker":"WMT","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"WMT"}},"version":1}

Signature

NMzNjDcaEqI5Xn5LhU3gt5KloG5Qf+ikzwHlhST9qxeJCJFbHJxA1J0TRHCn8WtQhfdsD8xCWs2cyMF1BCO3Dg==

API call

GET /api/attest/b15bf4100e10cc19f547d2c71fb806e3fc3cf0ff5ec2a08643dbcc3f10da581b

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.