Does BILIon / USDT 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":128391766,"chain":"bnb","checked_at":"2026-10-18T16:09:29Z","dev":false,"expires_at":"2026-10-19T16:09:29Z","issuer":"Ondo","pool":{"base":{"address":"0x55d398326f99059fF775485246999027B3197955","balance":"11999032135861417692170","decimals":18,"symbol":"USDT"},"chain":"bnb","dex":"pancake-v3","pool":"0x33E1e31133a986FfB1A51e3Be1e0fC86Eb495C2F","quote":{"address":"0x91fc7371d6dE682A1e8CFcB4EB7dA693312A03a4","balance":"1347463450590754595198","decimals":18,"symbol":"BILIon"}},"quote_share_of_supply":0.06128957053829369,"reads":[{"block":128391766,"method":"eth_blockNumber","params":[],"result_hash":"cda32dbafb4acb5cb7b0ce14775699cfa736a1731ca837fb4d2b54df18f6806b","slot":null},{"block":null,"method":"eth_call","params":["0x33E1e31133a986FfB1A51e3Be1e0fC86Eb495C2F","token0()"],"raw_result":"0x55d398326f99059ff775485246999027b3197955","result_hash":"66f63b72a2cc2125a9e796877d8894f3c7efb1d98419d7f1f9800b08f25cdc61","slot":null},{"block":null,"method":"eth_call","params":["0x33E1e31133a986FfB1A51e3Be1e0fC86Eb495C2F","token1()"],"raw_result":"0x91fc7371d6de682a1e8cfcb4eb7da693312a03a4","result_hash":"aa83247bcff06ee30075b01cde3beaccc88f054e03c78eb0c43709ea843e5836","slot":null},{"block":null,"method":"eth_call","params":["0x33E1e31133a986FfB1A51e3Be1e0fC86Eb495C2F","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0x33E1e31133a986FfB1A51e3Be1e0fC86Eb495C2F","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x33E1e31133a986FfB1A51e3Be1e0fC86Eb495C2F","factory()"],"raw_result":"0x0bfbcf9fa4f9c56b0f40a671ad40e0805a091865","result_hash":"2e3d0bedb6ff98db8ecf6c7b57f2028219517abe46f0f5212ff489a2c45cafbd","slot":null},{"block":null,"method":"eth_call","params":["0x33E1e31133a986FfB1A51e3Be1e0fC86Eb495C2F","fee()"],"raw_result":"2500","result_hash":"c470156de4cb3620b0749c19d984d0666924d83d0ec37998dd6b637a87a2ec3b","slot":null},{"block":null,"method":"eth_call","params":["0x0BFbCF9fa4f9C56B0F40a671Ad40E0805A091865","getPool","0x55d398326f99059fF775485246999027B3197955","0x91fc7371d6dE682A1e8CFcB4EB7dA693312A03a4","0x9c4"],"raw_result":"0x33e1e31133a986ffb1a51e3be1e0fc86eb495c2f","result_hash":"8c429442998152ca2a78720c83f7981e0431ca6bfe0cae2a35eeaa2ee6e5c713","slot":null},{"block":null,"method":"eth_call","params":["0x55d398326f99059fF775485246999027B3197955","symbol()"],"raw_result":"Some(\"USDT\")","result_hash":"a851493323e1198c0940c2b2ca5c59e97da9c6f50f63f0c09779709ef2572f84","slot":null},{"block":null,"method":"eth_call","params":["0x55d398326f99059fF775485246999027B3197955","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x55d398326f99059fF775485246999027B3197955","balanceOf","0x33E1e31133a986FfB1A51e3Be1e0fC86Eb495C2F"],"raw_result":"Some(\"11999032135861417692170\")","result_hash":"0a25e18744c18909979173e29e8c5938a5411aa0aba6feeb48932c9608828208","slot":null},{"block":null,"method":"eth_call","params":["0x91fc7371d6dE682A1e8CFcB4EB7dA693312A03a4","symbol()"],"raw_result":"Some(\"BILIon\")","result_hash":"dad6ec2b697f6aefed99bbe6d1d772bc22153197ba1c505fc1f5a0439edd170f","slot":null},{"block":null,"method":"eth_call","params":["0x91fc7371d6dE682A1e8CFcB4EB7dA693312A03a4","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x91fc7371d6dE682A1e8CFcB4EB7dA693312A03a4","balanceOf","0x33E1e31133a986FfB1A51e3Be1e0fC86Eb495C2F"],"raw_result":"Some(\"1347463450590754595198\")","result_hash":"c750fe163741df4df59ef17e7505064d320849890bc130b0596fd35ccc3dbe5a","slot":null},{"block":null,"method":"eth_call","params":["0x55d398326f99059fF775485246999027B3197955","symbol()"],"raw_result":"Some(\"USDT\")","result_hash":"a851493323e1198c0940c2b2ca5c59e97da9c6f50f63f0c09779709ef2572f84","slot":null},{"block":null,"method":"eth_call","params":["0x55d398326f99059fF775485246999027B3197955","name()"],"raw_result":"Some(\"Tether USD\")","result_hash":"8f7cfea6e15ea5712d4bf603e3223e8de9dfdee3c5fe9a25ec1181218bd425ad","slot":null},{"block":null,"method":"eth_call","params":["0x55d398326f99059fF775485246999027B3197955","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x55d398326f99059fF775485246999027B3197955","totalSupply()"],"raw_result":"Some(\"9184991859520259774116723649\")","result_hash":"b5a4e3e312d5f88f7b6f5d44368633422f48dda22b217c1ece79f64edd5719c9","slot":null},{"block":null,"method":"eth_call","params":["0x91fc7371d6dE682A1e8CFcB4EB7dA693312A03a4","symbol()"],"raw_result":"Some(\"BILIon\")","result_hash":"dad6ec2b697f6aefed99bbe6d1d772bc22153197ba1c505fc1f5a0439edd170f","slot":null},{"block":null,"method":"eth_call","params":["0x91fc7371d6dE682A1e8CFcB4EB7dA693312A03a4","name()"],"raw_result":"Some(\"Bilibili (Ondo Tokenized)\")","result_hash":"a55a957180786445a60ccd1f72b8eabf19bc4b09effe4f505d8bf512a1fd2bb5","slot":null},{"block":null,"method":"eth_call","params":["0x91fc7371d6dE682A1e8CFcB4EB7dA693312A03a4","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x91fc7371d6dE682A1e8CFcB4EB7dA693312A03a4","totalSupply()"],"raw_result":"Some(\"21985199745344280254931\")","result_hash":"486cfee602b8216ca577d6fa3573e3993c1682dba3350dee8c0c0526c1b79816","slot":null},{"block":null,"method":"eth_getCode","params":["0x91fc7371d6dE682A1e8CFcB4EB7dA693312A03a4","latest"],"result_hash":"94608f5be99dad7eba2f1291156fff602e3d7e462e4517d8f65af38ba0f4b7b4","slot":null},{"block":null,"method":"eth_getCode","params":["0x91fc7371d6dE682A1e8CFcB4EB7dA693312A03a4","latest"],"result_hash":"94608f5be99dad7eba2f1291156fff602e3d7e462e4517d8f65af38ba0f4b7b4","slot":null}],"registry_entry":{"chain":"bnb","contract":"0x91fc7371d6dE682A1e8CFcB4EB7dA693312A03a4","decimals":null,"issuer":"Ondo","last_checked":"2026-10-18T09:47:35Z","name":"Bilibili (Ondo Tokenized)","official_deployments":[{"address":"0x7e08cE07acA80CefE61ebbFA0CedFe5C7b07eDB9","network":"Ethereum"},{"address":"0x91fc7371d6dE682A1e8CFcB4EB7dA693312A03a4","network":"BNB Chain"},{"address":"14kLsQVmc64qZexYuR4XGop9y8BeMkd77pJUm1Rhondo","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":"BILI"},"registry_hash":"2bf13ff4020924ba1c74d8e732c3dd1609679a3b9a6dc8a796250beb0ae1b589","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x33E1e31133a986FfB1A51e3Be1e0fC86Eb495C2F","ticker":"BILI","verdict":{"Verified":{"issuer":"Ondo","ticker":"BILI"}},"version":1}

Signature

U8FhKGCWDDA9vBX6rHH7yn2qntLNmXyZDFSnnUwPZH6Asl7IdotgUcP4o+mUiebpBKaGZ6V9InTyDcCd0Jy1Aw==

API call

GET /api/attest/41467847c5f869b2d22037153caaee20fc1ed2a5f84e0d3089ef3a2b48d2e33d

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.