Does NTESon / SCI6900 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":128392181,"chain":"bnb","checked_at":"2026-10-18T16:12:37Z","dev":false,"expires_at":"2026-10-19T16:12:37Z","issuer":"Ondo","pool":{"base":{"address":"0x282973969118F9fe39bf2FF3D8DD1EFEE82CCb11","balance":"939830878120393010","decimals":18,"symbol":"NTESon"},"chain":"bnb","dex":"pancake-v2","pool":"0x5C74f03aBD7e36be3238f68cdDF35840322e032f","quote":{"address":"0x372d9b65624D6E9B7E839D5D8E4561a7Aff57777","balance":"13672466502402855825629512","decimals":18,"symbol":"SCI6900"}},"quote_share_of_supply":0.021878427346366882,"reads":[{"block":128392181,"method":"eth_blockNumber","params":[],"result_hash":"6acf818af40e8776c1e988d478e4760ec92bcc477487240fc38d19e53e672313","slot":null},{"block":null,"method":"eth_call","params":["0x5C74f03aBD7e36be3238f68cdDF35840322e032f","token0()"],"raw_result":"0x282973969118f9fe39bf2ff3d8dd1efee82ccb11","result_hash":"a4784dfee2d426868d2b2f0e2b65456201fbf23f79250a74b716f35e9ca84e31","slot":null},{"block":null,"method":"eth_call","params":["0x5C74f03aBD7e36be3238f68cdDF35840322e032f","token1()"],"raw_result":"0x372d9b65624d6e9b7e839d5d8e4561a7aff57777","result_hash":"d8a68559f6b78d4567e69e40cb6d2eb942aacad133588e36b2454aafc08d52fe","slot":null},{"block":null,"method":"eth_call","params":["0x5C74f03aBD7e36be3238f68cdDF35840322e032f","getReserves()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x5C74f03aBD7e36be3238f68cdDF35840322e032f","factory()"],"raw_result":"0xca143ce32fe78f1f7019d7d551a6402fc5350c73","result_hash":"cca9f0708cbe3ba281b9d1b8ebd0a086cc47571f860d681f7f16e9e8a73617f9","slot":null},{"block":null,"method":"eth_call","params":["0xcA143Ce32Fe78f1f7019d7d551a6402fC5350c73","getPair","0x282973969118F9fe39bf2FF3D8DD1EFEE82CCb11","0x372d9b65624D6E9B7E839D5D8E4561a7Aff57777"],"raw_result":"0x5c74f03abd7e36be3238f68cddf35840322e032f","result_hash":"97e1c1f6ca0ef70720cc82f6bc7531ff48fe864dd4289867c82d500b19573aca","slot":null},{"block":null,"method":"eth_call","params":["0x282973969118F9fe39bf2FF3D8DD1EFEE82CCb11","symbol()"],"raw_result":"Some(\"NTESon\")","result_hash":"ae577a53051a946cfc32563f9b4ada44e4970f242ab5aadbd31214b6387cf233","slot":null},{"block":null,"method":"eth_call","params":["0x282973969118F9fe39bf2FF3D8DD1EFEE82CCb11","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x282973969118F9fe39bf2FF3D8DD1EFEE82CCb11","balanceOf","0x5C74f03aBD7e36be3238f68cdDF35840322e032f"],"raw_result":"Some(\"939830878120393010\")","result_hash":"932e19920df0828a730ee8f71aaa015f46a44c7fd3bc4d2c961d5fb17fa96ce0","slot":null},{"block":null,"method":"eth_call","params":["0x372d9b65624D6E9B7E839D5D8E4561a7Aff57777","symbol()"],"raw_result":"Some(\"SCI6900\")","result_hash":"0631fbe46f4aea06be8c93c6c805a5449ac6a95963f152374639297f290431fd","slot":null},{"block":null,"method":"eth_call","params":["0x372d9b65624D6E9B7E839D5D8E4561a7Aff57777","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x372d9b65624D6E9B7E839D5D8E4561a7Aff57777","balanceOf","0x5C74f03aBD7e36be3238f68cdDF35840322e032f"],"raw_result":"Some(\"13672466502402855825629512\")","result_hash":"3407bb85f519a19faa64644fd0e61a853b66d9284da9e072e71e7c6563c68c1c","slot":null},{"block":null,"method":"eth_call","params":["0x372d9b65624D6E9B7E839D5D8E4561a7Aff57777","symbol()"],"raw_result":"Some(\"SCI6900\")","result_hash":"0631fbe46f4aea06be8c93c6c805a5449ac6a95963f152374639297f290431fd","slot":null},{"block":null,"method":"eth_call","params":["0x372d9b65624D6E9B7E839D5D8E4561a7Aff57777","name()"],"raw_result":"Some(\"上证综合指数69000\")","result_hash":"635a4227e92b1e6e3f129dbdc8734d3bba58f49aca7aca4a382b0508d5f824cc","slot":null},{"block":null,"method":"eth_call","params":["0x372d9b65624D6E9B7E839D5D8E4561a7Aff57777","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x372d9b65624D6E9B7E839D5D8E4561a7Aff57777","totalSupply()"],"raw_result":"Some(\"1000000000000000000000000000\")","result_hash":"9a5063c327faec672db6b50450571675cbfbcc3766ebaf6832c3a9f6636ff4d0","slot":null},{"block":null,"method":"eth_call","params":["0x282973969118F9fe39bf2FF3D8DD1EFEE82CCb11","symbol()"],"raw_result":"Some(\"NTESon\")","result_hash":"ae577a53051a946cfc32563f9b4ada44e4970f242ab5aadbd31214b6387cf233","slot":null},{"block":null,"method":"eth_call","params":["0x282973969118F9fe39bf2FF3D8DD1EFEE82CCb11","name()"],"raw_result":"Some(\"NetEase (Ondo Tokenized)\")","result_hash":"75545548e67212a02441c35b7af3e63d058bb4d17cb578f0b29fff68c0282449","slot":null},{"block":null,"method":"eth_call","params":["0x282973969118F9fe39bf2FF3D8DD1EFEE82CCb11","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x282973969118F9fe39bf2FF3D8DD1EFEE82CCb11","totalSupply()"],"raw_result":"Some(\"42956966844166732462\")","result_hash":"ac41a267f926b75424e6e33d28f47c17275f8f0b29b11107c673b4b48fb87d6d","slot":null},{"block":null,"method":"eth_getCode","params":["0x282973969118F9fe39bf2FF3D8DD1EFEE82CCb11","latest"],"result_hash":"94608f5be99dad7eba2f1291156fff602e3d7e462e4517d8f65af38ba0f4b7b4","slot":null},{"block":null,"method":"eth_getCode","params":["0x282973969118F9fe39bf2FF3D8DD1EFEE82CCb11","latest"],"result_hash":"94608f5be99dad7eba2f1291156fff602e3d7e462e4517d8f65af38ba0f4b7b4","slot":null}],"registry_entry":{"chain":"bnb","contract":"0x282973969118F9fe39bf2FF3D8DD1EFEE82CCb11","decimals":null,"issuer":"Ondo","last_checked":"2026-10-18T09:47:35Z","name":"NetEase (Ondo Tokenized)","official_deployments":[{"address":"0x3d1cF8692A6f2Fc9048A9cc1A06aBF77F3465f0a","network":"Ethereum"},{"address":"0x282973969118F9fe39bf2FF3D8DD1EFEE82CCb11","network":"BNB Chain"},{"address":"YeK2TdPtGLAme3Phg4pb1GBN2YxKgX5UNVyD4asondo","network":"Solana"}],"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":"NTES"},"registry_hash":"2bf13ff4020924ba1c74d8e732c3dd1609679a3b9a6dc8a796250beb0ae1b589","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x5C74f03aBD7e36be3238f68cdDF35840322e032f","ticker":"NTES","verdict":{"Verified":{"issuer":"Ondo","ticker":"NTES"}},"version":1}

Signature

AqJ4OqpBGA6+DEjZ8yzfVE6alsdj9Ss7usjHHszyoovBSnNaE+1xQOOtvA8sklNH4hp55Oemot/NBv3idd9rDA==

API call

GET /api/attest/1cc19120f1727a46856c148734d06c1a0ae541420a65b441c8d1f274b0637244

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.