Does BACon / JPF 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":128479137,"chain":"bnb","checked_at":"2026-10-19T03:04:58Z","dev":false,"expires_at":"2026-10-20T03:04:58Z","issuer":"Ondo","pool":{"base":{"address":"0x70c629478707c8A4eAe7FDc0EE54A9F61bEE4901","balance":"353923885536083965435","decimals":18,"symbol":"JPF"},"chain":"bnb","dex":"pancake-v3","pool":"0xF3d94a928e26C51d32f466ab2057a06BD85B2C83","quote":{"address":"0xd615468088B19FB9d4F03CB3CE9E33876fF3Db99","balance":"3415737019055550462","decimals":18,"symbol":"BACon"}},"quote_share_of_supply":0.01921208861220443,"reads":[{"block":128479137,"method":"eth_blockNumber","params":[],"result_hash":"13104766acdd1d5f1b212bed0f8824a512962b5eb0923b1e244c7463eb7a2170","slot":null},{"block":null,"method":"eth_call","params":["0xF3d94a928e26C51d32f466ab2057a06BD85B2C83","token0()"],"raw_result":"0x70c629478707c8a4eae7fdc0ee54a9f61bee4901","result_hash":"3b2c8aa6ac7f4aeb3f10f406093b5b9378cfd8c6a5b3f996e1cdd7394e2f6a85","slot":null},{"block":null,"method":"eth_call","params":["0xF3d94a928e26C51d32f466ab2057a06BD85B2C83","token1()"],"raw_result":"0xd615468088b19fb9d4f03cb3ce9e33876ff3db99","result_hash":"1939d28b3c073426f80472052b989ebb88ee51aee0a266afa0a846484e63ce1e","slot":null},{"block":null,"method":"eth_call","params":["0xF3d94a928e26C51d32f466ab2057a06BD85B2C83","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xF3d94a928e26C51d32f466ab2057a06BD85B2C83","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xF3d94a928e26C51d32f466ab2057a06BD85B2C83","factory()"],"raw_result":"0x0bfbcf9fa4f9c56b0f40a671ad40e0805a091865","result_hash":"2e3d0bedb6ff98db8ecf6c7b57f2028219517abe46f0f5212ff489a2c45cafbd","slot":null},{"block":null,"method":"eth_call","params":["0xF3d94a928e26C51d32f466ab2057a06BD85B2C83","fee()"],"raw_result":"10000","result_hash":"328d48ab2376d2f42d3af5ba69086143c8f5fe883ed195a8280b2154a5711a33","slot":null},{"block":null,"method":"eth_call","params":["0x0BFbCF9fa4f9C56B0F40a671Ad40E0805A091865","getPool","0x70c629478707c8A4eAe7FDc0EE54A9F61bEE4901","0xd615468088B19FB9d4F03CB3CE9E33876fF3Db99","0x2710"],"raw_result":"0xf3d94a928e26c51d32f466ab2057a06bd85b2c83","result_hash":"cea3eedf5baf2359cd2003c58ae416fd7644595c69bd314a092399148a0049b3","slot":null},{"block":null,"method":"eth_call","params":["0x70c629478707c8A4eAe7FDc0EE54A9F61bEE4901","symbol()"],"raw_result":"Some(\"JPF\")","result_hash":"8d248370e596f231428822df40bc446c95db691f13ab32d43949b87c5e60288a","slot":null},{"block":null,"method":"eth_call","params":["0x70c629478707c8A4eAe7FDc0EE54A9F61bEE4901","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x70c629478707c8A4eAe7FDc0EE54A9F61bEE4901","balanceOf","0xF3d94a928e26C51d32f466ab2057a06BD85B2C83"],"raw_result":"Some(\"353923885536083965435\")","result_hash":"2c5e71a5eeb95ae6614016d32a68a744729a8f2634cc2f0155c2f6dca550eefa","slot":null},{"block":null,"method":"eth_call","params":["0xd615468088B19FB9d4F03CB3CE9E33876fF3Db99","symbol()"],"raw_result":"Some(\"BACon\")","result_hash":"f9b1ded81ccaa820d986563afb64990456141ac25192353e71152f56657a96f3","slot":null},{"block":null,"method":"eth_call","params":["0xd615468088B19FB9d4F03CB3CE9E33876fF3Db99","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xd615468088B19FB9d4F03CB3CE9E33876fF3Db99","balanceOf","0xF3d94a928e26C51d32f466ab2057a06BD85B2C83"],"raw_result":"Some(\"3415737019055550462\")","result_hash":"ff29ae404107f3656a51595f2f75d2afdce37584dd148f7ed846726ea45ed7a6","slot":null},{"block":null,"method":"eth_call","params":["0x70c629478707c8A4eAe7FDc0EE54A9F61bEE4901","symbol()"],"raw_result":"Some(\"JPF\")","result_hash":"8d248370e596f231428822df40bc446c95db691f13ab32d43949b87c5e60288a","slot":null},{"block":null,"method":"eth_call","params":["0x70c629478707c8A4eAe7FDc0EE54A9F61bEE4901","name()"],"raw_result":"Some(\"Julius personal farm\")","result_hash":"08820e6e2c3ef656296efff8784b08c17ac97ed4636beb4b65a6f88a7ea27eb0","slot":null},{"block":null,"method":"eth_call","params":["0x70c629478707c8A4eAe7FDc0EE54A9F61bEE4901","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x70c629478707c8A4eAe7FDc0EE54A9F61bEE4901","totalSupply()"],"raw_result":"Some(\"1000000000000000000000000\")","result_hash":"29e309e3b943b514eee171b0c8f1348f1e8e33614ee2211fddb192da1a765d10","slot":null},{"block":null,"method":"eth_call","params":["0xd615468088B19FB9d4F03CB3CE9E33876fF3Db99","symbol()"],"raw_result":"Some(\"BACon\")","result_hash":"f9b1ded81ccaa820d986563afb64990456141ac25192353e71152f56657a96f3","slot":null},{"block":null,"method":"eth_call","params":["0xd615468088B19FB9d4F03CB3CE9E33876fF3Db99","name()"],"raw_result":"Some(\"Bank of America (Ondo Tokenized)\")","result_hash":"6f175eb4244e12024eb70a0ba3d08cc9c387a35ff29a596145cf40b770e63ec9","slot":null},{"block":null,"method":"eth_call","params":["0xd615468088B19FB9d4F03CB3CE9E33876fF3Db99","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xd615468088B19FB9d4F03CB3CE9E33876fF3Db99","totalSupply()"],"raw_result":"Some(\"177791029804313496064\")","result_hash":"2c42530397654c3535b20e67eed1c1845bf21dd387124bf1bfff3e01cf68cb35","slot":null},{"block":null,"method":"eth_getCode","params":["0xd615468088B19FB9d4F03CB3CE9E33876fF3Db99","latest"],"result_hash":"94608f5be99dad7eba2f1291156fff602e3d7e462e4517d8f65af38ba0f4b7b4","slot":null},{"block":null,"method":"eth_getCode","params":["0xd615468088B19FB9d4F03CB3CE9E33876fF3Db99","latest"],"result_hash":"94608f5be99dad7eba2f1291156fff602e3d7e462e4517d8f65af38ba0f4b7b4","slot":null}],"registry_entry":{"chain":"bnb","contract":"0xd615468088B19FB9d4F03CB3CE9E33876fF3Db99","decimals":null,"issuer":"Ondo","last_checked":"2026-10-18T20:40:22Z","name":"Bank of America (Ondo Tokenized)","official_deployments":[{"address":"0x576E9CA70e3a040c00d8139b0665a2b7b7B64844","network":"Ethereum"},{"address":"0xd615468088B19FB9d4F03CB3CE9E33876fF3Db99","network":"BNB Chain"},{"address":"Wk8gC6iTNp8dqd4ghkJ3h1giiUnyhykwHh7tYWjondo","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":"BAC"},"registry_hash":"0bd20861acb250fc115ebe98f0dbbb7c686b15c772a071c9020aa5154f2d195f","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xF3d94a928e26C51d32f466ab2057a06BD85B2C83","ticker":"BAC","verdict":{"Verified":{"issuer":"Ondo","ticker":"BAC"}},"version":1}

Signature

By701P9TAlwllhl+ZMLqevq/fioPW0CMueKNWRifjLP0vrqPEjSMMe/u1RdP339VwRC0NldqeRvWh5B2KGHBBg==

API call

GET /api/attest/6fd04b380976e45a0adb7b1522b80dfc7050551e3a96612f1a26ec82d12a9246

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.