CVXx/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":"2026-09-30T20:26:49Z","dev":false,"expires_at":"2026-10-01T20:26:49Z","issuer":"Backed xStocks","pool":{"base":{"address":"XsNNMt7WTNA2sV3jrb1NNfNgapxRF5i4i6GcnTRRHts","balance":"482534779","decimals":8,"symbol":"CVXx"},"chain":"Solana","dex":"raydium-clmm","pool":"5v5prv4UMT8fhzYjYwxUmvFuSQiGqF45vuNcmTkHTmi","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"2757839366","decimals":6,"symbol":null}},"quote_share_of_supply":0.00005090889358922291,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"73012068e1458c0377f01a4e6edc29da2cb812ecc9ef2005abbec7fc92888b3b","slot":452071671},{"block":null,"method":"getAccountInfo","params":["5v5prv4UMT8fhzYjYwxUmvFuSQiGqF45vuNcmTkHTmi",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":452071673},"value":{"data":["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","base64"],"executable":false,"lamports":11639129,"owner":"CAMMCzo5YL8w4VFF8KVHrK22GGUsp5VTaW7grrKgrWqK","rentEpoch":18446744073709551615,"space":1544}},"result_hash":"e412a9b9309ada3709baedf31e4563e70a68d78624450a6cbb8804666780178a","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["4vaDkKb6ggBKLuJQLgj5gKi71BkGBZJVrisz8vTLLDR3",{"commitment":"confirmed"}],"result_hash":"b7c5b9e5c886ba38470dfc88187793717958cb175a3094564f8ba83bd08c4133","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["HfZjPjfLvZ4apPvAPAKjw6E7UH6ovE8cucioQUhfpnym",{"commitment":"confirmed"}],"result_hash":"458b7c8e46b771867f632bb7b0b5e7b1c762792611bb7b08d3ec9bc063a73903","slot":null},{"block":null,"method":"getMultipleAccounts","params":[["XsNNMt7WTNA2sV3jrb1NNfNgapxRF5i4i6GcnTRRHts","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"7a96c666aa421eae3624f203aa059c3e20458473d230fe422127d0c1a96e4a0e","slot":null},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"aa330719b7b55568e2cb7acfce32efd89877f5c45ee0771f772599c9234c0727","slot":null},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":452071678},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmbE7pYEyhSGwAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":534808027998,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"b516da6baead8d583ab82e5fd8903c692e3fcd1e574150e0d39806f214aa70ac","slot":null},{"block":null,"method":"getTokenSupply","params":["XsNNMt7WTNA2sV3jrb1NNfNgapxRF5i4i6GcnTRRHts",{"commitment":"confirmed"}],"result_hash":"0320254f2e59987165ea373ae5b97879e99d96a06df6ec6796f53d64eb15ae16","slot":null},{"block":null,"method":"getAccountInfo","params":["XsNNMt7WTNA2sV3jrb1NNfNgapxRF5i4i6GcnTRRHts",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":452071696},"value":{"data":["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","base64"],"executable":false,"lamports":5609760,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":678}},"result_hash":"fb6d7c8b9f981666f53b5fd4013043c1129dc07ab2da02663898e384fb432333","slot":null}],"registry_entry":{"chain":"Solana","contract":"XsNNMt7WTNA2sV3jrb1NNfNgapxRF5i4i6GcnTRRHts","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-09-30T20:20:14Z","name":"Chevron","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"CVX"},"registry_hash":"a99ed049a73be4334c4eedf803c1905dec813813d0057448e3e14e6a76807dda","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":452071671,"subject":"5v5prv4UMT8fhzYjYwxUmvFuSQiGqF45vuNcmTkHTmi","ticker":"CVX","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"CVX"}},"version":1}

Signature

KHGmjI3V2CihWR+n4nGVbdp57PkjXZEkQmq4KngKUYY+AjsAInLAMH720klcYl7iAuOgfQGG1BvN+ymk76YJCQ==

API call

GET /api/attest/0533911ea3307138a523c912083660b3528b41ede2fdc955db86ea51c9cf3e67

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.