IJRx/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":"2026-10-04T05:32:01Z","dev":false,"expires_at":"2026-10-05T05:32:01Z","issuer":"Backed xStocks","pool":{"base":{"address":"XsyZcb97BzETAqi9BoP2C9D196MiMNBisGMVNje2Thz","balance":"70831131","decimals":8,"symbol":"IJRx"},"chain":"Solana","dex":"orca-whirlpool","pool":"7dtxBMSNfbfSPUDU3eK599uf7WU88QGiLdvd7AYp6NLz","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"136240058","decimals":6,"symbol":null}},"quote_share_of_supply":6.004642952134643e-6,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"9dadf8856c51e12a29651c10027aa6c58c0ec6195d163ab5bc6ffb581ac35c96","slot":453162975},{"block":null,"method":"getAccountInfo","params":["7dtxBMSNfbfSPUDU3eK599uf7WU88QGiLdvd7AYp6NLz",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":453162975},"value":{"data":["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","base64"],"executable":false,"lamports":5435760,"owner":"whirLbMiicVdio4qvUfM5KAg6Ct8VwpYzGff3uctyCc","rentEpoch":18446744073709551615,"space":653}},"result_hash":"11720d90b6a70fa237cf6689e3d42826f1d6900bf3d146c437646e229d5e692f","slot":453162975},{"block":null,"method":"getTokenAccountBalance","params":["EKchnWbpWPtU21FAcDvpiGHDvfq4Yu3DG27puJ5htLpW",{"commitment":"confirmed"}],"result_hash":"abd80488151e60ed965576246eb06734e6a6bc5957d2fc74b4e25031f7fb4f8c","slot":453162976},{"block":null,"method":"getTokenAccountBalance","params":["HFgVCKD9bUZKKdKiQrY2XSkhErANxRGyp3zqGu4b3xrk",{"commitment":"confirmed"}],"result_hash":"006e708c63512c2f09af5a054592f21db77d74155a1449f9cb3535e5ef07f888","slot":453162977},{"block":null,"method":"getMultipleAccounts","params":[["XsyZcb97BzETAqi9BoP2C9D196MiMNBisGMVNje2Thz","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"8706e614841ef62ee25fbce183167ce99d5976596a924aba591767a1fcd0a54a","slot":453162978},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"87f36a58add3b26629caa730f5d65d91fdd6b459b2c52a0ee9ab6d97a70d61f9","slot":453162979},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":453162980},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmbCLQJQ8ywHQAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":535328983427,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"a5b0e390084e0037889f852b7bf28053e257f33b02133205b85bd88d54de54a2","slot":453162980},{"block":null,"method":"getTokenSupply","params":["XsyZcb97BzETAqi9BoP2C9D196MiMNBisGMVNje2Thz",{"commitment":"confirmed"}],"result_hash":"8f7b670f69846e058bc47cd3c394758b6dba2ef73d175ec460018146887cafc0","slot":453162998},{"block":null,"method":"getAccountInfo","params":["XsyZcb97BzETAqi9BoP2C9D196MiMNBisGMVNje2Thz",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":453162999},"value":{"data":["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","base64"],"executable":false,"lamports":5651520,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":684}},"result_hash":"eb6ab35d602b29f70a5bfc49613851b741b65668d5d4fef8a1f4fd460c0c27bd","slot":453162999}],"registry_entry":{"chain":"Solana","contract":"XsyZcb97BzETAqi9BoP2C9D196MiMNBisGMVNje2Thz","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-10-04T05:14:21Z","name":"S&P Small Cap","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"IJR"},"registry_hash":"f94fc48d8ff44ad0f14377941089c80a9b74ddf1e078265c68f19dc38a6278ed","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":453162975,"subject":"7dtxBMSNfbfSPUDU3eK599uf7WU88QGiLdvd7AYp6NLz","ticker":"IJR","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"IJR"}},"version":1}

Signature

0cmxUQSfOrh7TFtTNochAcBCg9cftujH+5tHnIlmDHQjXrivckAEadETIJWPb+CKMDkAoGkJDSLmt00pTKwlBA==

API call

GET /api/attest/fc0dd343f9822bca47455423b761a85a8427f59d51cac7375c9149042bc04f72

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.