Does MUon / Unknown match its issuer's published contract?

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":"2026-10-18T10:01:16Z","dev":false,"expires_at":"2026-10-19T10:01:16Z","issuer":"Ondo","pool":{"base":{"address":"Fz9edBpaURPPzpKVRR1A8PENYDEgHqwx5D5th28ondo","balance":"1321795407","decimals":9,"symbol":"MUon"},"chain":"solana","dex":"meteora-dlmm","pool":"6hmXEwMhSFKw8cpVjPudk15vR2WKL2ppzunT2nJzN9V6","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"977677745","decimals":6,"symbol":null}},"quote_share_of_supply":0.00017601791589543745,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"df028433205255e943871ab0e168a20cabffe9e1241c300248af400c7f277a42","slot":458394103},{"block":null,"method":"getAccountInfo","params":["6hmXEwMhSFKw8cpVjPudk15vR2WKL2ppzunT2nJzN9V6",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":458394104},"value":{"data":["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","base64"],"executable":false,"lamports":7183720,"owner":"LBUZKhRxPF3XUpBCjp4YzTKgLccjZhTSDM9YuVaPwxo","rentEpoch":18446744073709551615,"space":904}},"result_hash":"ed5eff4303b5be378d9ee7b7106b4eec8497aa78e8017424d232af34863aab63","slot":458394104},{"block":null,"method":"getTokenAccountBalance","params":["7XqrSCyL5WZA2rbwWrP8HUWxi7zvRLi2Cwh9YKgBWf2V",{"commitment":"confirmed"}],"result_hash":"a5ea19802c68c9b77482e11b802d7b3757a9ac9479b7e6f431689cf2588ee33e","slot":458394106},{"block":null,"method":"getTokenAccountBalance","params":["3XS8DFxpddXk2D5Gw2eZ8CiihQqrFPQmhGm7a6dd8zZc",{"commitment":"confirmed"}],"result_hash":"28b9dd15c868cc78f91c44975bd83125f83c220c5f3fb9fe16132b35b9acd8a0","slot":458394107},{"block":null,"method":"getMultipleAccounts","params":[["Fz9edBpaURPPzpKVRR1A8PENYDEgHqwx5D5th28ondo","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"6acb51a5bcba9a0ad5ac5e01530b51cdcc8338194d617492641c80dd8b8ef506","slot":458394108},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"f790042186c309754f8652b32e89be2a862741c46e60adc76df8af0c4bff0508","slot":458394109},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":458394110},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmbAdzH+sRmGwAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":556436563008,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"2a854dccc49ed208e7c8cb5eb5ccea2ae6c6f2f84ce0fd46a280e432791d2e16","slot":458394110},{"block":null,"method":"getProgramAccounts","params":["metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s",{"commitment":"confirmed","encoding":"base64","filters":[{"memcmp":{"bytes":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","offset":33}}]}],"result_hash":"85ed2b681fcd867f23813dfe31c8a2490c6fd4cdc10d37000244f0ba61f13af0","slot":null},{"block":null,"method":"getTokenSupply","params":["Fz9edBpaURPPzpKVRR1A8PENYDEgHqwx5D5th28ondo",{"commitment":"confirmed"}],"result_hash":"c59fb5165c913b8af3c52eb822c6ef6d51475be979a0b1d0598e3c616e1c79b9","slot":458394113},{"block":null,"method":"getAccountInfo","params":["Fz9edBpaURPPzpKVRR1A8PENYDEgHqwx5D5th28ondo",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":458394114},"value":{"data":["AQAAAIDN+V3tTSNwlENXrqyVggTjy5tukmIsnoBRuggfXn9mlmhPbdQGAAAJAQEAAAA7iU3CRLV7yVzMKBHpxpAv2aPlYPWrmnLpZakLVu4ErgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAARkAOACAzfld7U0jcJRDV66slYIE48ubbpJiLJ6AUboIH15/Zul2cvcKBfA/ox/SagAAAADpdnL3CgXwPxIAQACAzfld7U0jcJRDV66slYIE48ubbpJiLJ6AUboIH15/ZgPWwAJ5LlHgTdk+Y10edaywIyk1b78/qxo0OabifXFqGgAhAIDN+V3tTSNwlENXrqyVggTjy5tukmIsnoBRuggfXn9mAAYAAQABBABBAIDN+V3tTSNwlENXrqyVggTjy5tukmIsnoBRuggfXn9mAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADgBAAIDN+V3tTSNwlENXrqyVggTjy5tukmIsnoBRuggfXn9mAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAATALMAgM35Xe1NI3CUQ1eurJWCBOPLm26SYiyegFG6CB9ef2YD1sACeS5R4E3ZPmNdHnWssCMpNW+/P6saNDmm4n1xaiIAAABNaWNyb24gVGVjaG5vbG9neSAoT25kbyBUb2tlbml6ZWQpBAAAAE1Vb249AAAAaHR0cHM6Ly9hcHAub25kby5maW5hbmNlL2FwaS92Mi9hc3NldHMvTVVvbi9zb2xfbWV0YWRhdGEuanNvbgAAAAA=","base64"],"executable":false,"lamports":508596640,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":656}},"result_hash":"556d7e72c8eac23985ebec28f879e191d1a8663183f6494cb83ec2d4de8b1903","slot":458394114},{"block":null,"method":"getProgramAccounts","params":["metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s",{"commitment":"confirmed","encoding":"base64","filters":[{"memcmp":{"bytes":"Fz9edBpaURPPzpKVRR1A8PENYDEgHqwx5D5th28ondo","offset":33}}]}],"result_hash":"4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945","slot":null}],"registry_entry":{"chain":"solana","contract":"Fz9edBpaURPPzpKVRR1A8PENYDEgHqwx5D5th28ondo","decimals":null,"issuer":"Ondo","last_checked":"2026-10-18T09:47:35Z","name":"Micron Technology (Ondo Tokenized)","official_deployments":[{"address":"0x050362Ab1072Cb2Ce74d74770E22A3203Ad04ee5","network":"Ethereum"},{"address":"0x8b6ACf6041A81567f012Ff6A4C6D96d5818d74bF","network":"BNB Chain"},{"address":"Fz9edBpaURPPzpKVRR1A8PENYDEgHqwx5D5th28ondo","network":"Solana"},{"address":"0x0f8E33F5CdefAE9C2E59de8fB61feD347046D046","network":"HyperEVM"}],"source":"https://docs.ondo.finance/addresses.md","source_url":"https://www.dropbox.com/scl/fi/qjfxyg748mx0dwi6up86d/EXTERNAL-Ondo-GM-Tokens-Ondo-GM-Tokens.csv?rlkey=n3no1w78wrah3umsl0nr9s77i&e=2&st=spdit2q1&dl=1","ticker":"MU"},"registry_hash":"3143486c8ed17e52c07540b096bdf4ef50abfca368b23311d9290e9923561570","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":458394103,"subject":"6hmXEwMhSFKw8cpVjPudk15vR2WKL2ppzunT2nJzN9V6","ticker":"MU","verdict":{"Verified":{"issuer":"Ondo","ticker":"MU"}},"version":1}

Signature

ZWNoHA/FWLgYCzPpBlHjqZQfQillyzNO373tIvkgwXJVWZhdLKJf4JMaGnIwd3FPb/GEn1uGgURvwkZN2CzsCw==

API call

GET /api/attest/6699baf43ad540e7a02c91d69fc2a1e385788c9d8ed70cd685aa44b67f9c88cb

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.