Unknown/SPCXx

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":"2026-09-30T20:09:57Z","dev":false,"expires_at":"2026-10-01T20:09:57Z","issuer":"Backed xStocks","pool":{"base":{"address":"So11111111111111111111111111111111111111112","balance":"1908007051861","decimals":9,"symbol":null},"chain":"Solana","dex":"raydium-clmm","pool":"DNcGcbmmmvjrmVsT4DTMh2FLrbBchxXd66njTKo6zDAc","quote":{"address":"Xs3oZwbHvqis4NYcf4YKWmEia2eC84wSiVrcYcTqpH8","balance":"41801825390","decimals":8,"symbol":"SPCXx"}},"quote_share_of_supply":0.0007464830926173687,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"46ee2571ef9de8102c1edfbf843c8e3a99fdd8a61e920fa64ef3bdde40d9407e","slot":452067906},{"block":null,"method":"getAccountInfo","params":["DNcGcbmmmvjrmVsT4DTMh2FLrbBchxXd66njTKo6zDAc",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":452067907},"value":{"data":["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","base64"],"executable":false,"lamports":11637120,"owner":"CAMMCzo5YL8w4VFF8KVHrK22GGUsp5VTaW7grrKgrWqK","rentEpoch":18446744073709551615,"space":1544}},"result_hash":"593ebe27a08632edf97f4c68c2e56e3ff4a08635c1f16469793578121d8f5366","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["CCvpMUJHnw6nzadumiNUUCrmEYwwCvsDESrhoNV2mrGb",{"commitment":"confirmed"}],"result_hash":"0fb864a48cb56871cd21265459ad01115c09c2aaffb545f55b0048384935afcf","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["2mE5KoFZ8uabzVQE6Lmj3eaaQJz2A6tZ47dLpa2AC1hc",{"commitment":"confirmed"}],"result_hash":"ada8e68c3b8e31482d72b75f4875be702e8d71b6a9084971e4d86e15cd6b7735","slot":null},{"block":null,"method":"getMultipleAccounts","params":[["So11111111111111111111111111111111111111112","Xs3oZwbHvqis4NYcf4YKWmEia2eC84wSiVrcYcTqpH8"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"3e935417fbb1964561bf8562924db7e42a9486634542e93037f65126df85ca71","slot":null},{"block":null,"method":"getTokenSupply","params":["So11111111111111111111111111111111111111112",{"commitment":"confirmed"}],"result_hash":"4c64a799dd87c4ff301937f409d44e02bc19ea14b6438f2df64f9b8f6238d890","slot":null},{"block":null,"method":"getAccountInfo","params":["So11111111111111111111111111111111111111112",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":452067912},"value":{"data":["AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==","base64"],"executable":false,"lamports":1848455052303,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"625d2a9e061501e97c9bdd6aadd86436b673e93364f2af921ac931da41d5d212","slot":null},{"block":null,"method":"getTokenSupply","params":["Xs3oZwbHvqis4NYcf4YKWmEia2eC84wSiVrcYcTqpH8",{"commitment":"confirmed"}],"result_hash":"58e0715961bebd75a0f933543a66687c277d829e273439f5d580d6a9030cb3d1","slot":null},{"block":null,"method":"getAccountInfo","params":["Xs3oZwbHvqis4NYcf4YKWmEia2eC84wSiVrcYcTqpH8",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":452067931},"value":{"data":["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","base64"],"executable":false,"lamports":2390453155,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":679}},"result_hash":"4a74afd91f1e0dea56b7b387ac18c73ed1610929a8e7931b2c45ceace3eb28e3","slot":null}],"registry_entry":{"chain":"Solana","contract":"Xs3oZwbHvqis4NYcf4YKWmEia2eC84wSiVrcYcTqpH8","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-09-30T19:20:14Z","name":"SpaceX","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"SPCX"},"registry_hash":"df7642c17e627e7600003c0327d057e934f5c09b8c2142a8b83d77c78caced9e","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":452067906,"subject":"DNcGcbmmmvjrmVsT4DTMh2FLrbBchxXd66njTKo6zDAc","ticker":"SPCX","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"SPCX"}},"version":1}

Signature

8t4hN4gfluWxfmCZodIqV1zdx7j7YD9WiaognlYZqd+ukrMu9vVr3pnBNP+udBc3qe3m3QSEFIPU92FJfUTICw==

API call

GET /api/attest/0656b5cbfd84bd90bf1ad24972d299391ff7a7b3ddde4c5f69a6f025dd04e75b

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.