Does SNOWon / 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":128678198,"chain":"bnb","checked_at":"2026-10-20T03:58:23Z","dev":false,"expires_at":"2026-10-21T03:58:23Z","issuer":"Ondo","pool":{"base":{"address":"0x138ED6833ff4E8811E1FEa0D005E13726c8886F9","balance":"383976724394322828","decimals":18,"symbol":"SNOWon"},"chain":"bnb","dex":"pancake-v3","pool":"0x6F260b405c5A2A119482dFd9C3667F17718e4385","quote":{"address":"0x70c629478707c8A4eAe7FDc0EE54A9F61bEE4901","balance":"209191569724648031739","decimals":18,"symbol":"JPF"}},"quote_share_of_supply":0.00016929243239624685,"reads":[{"block":128678198,"method":"eth_blockNumber","params":[],"result_hash":"d73b12230b9fe4956025aa20187ac904a5d321fd05088bb89e687352d7de6c33","slot":null},{"block":null,"method":"eth_call","params":["0x6F260b405c5A2A119482dFd9C3667F17718e4385","token0()"],"raw_result":"0x138ed6833ff4e8811e1fea0d005e13726c8886f9","result_hash":"a38157d492a7d2ce761ce15f4fdee7d95ecdf7264d925b9a90fd381fe747f2f0","slot":null},{"block":null,"method":"eth_call","params":["0x6F260b405c5A2A119482dFd9C3667F17718e4385","token1()"],"raw_result":"0x70c629478707c8a4eae7fdc0ee54a9f61bee4901","result_hash":"3b2c8aa6ac7f4aeb3f10f406093b5b9378cfd8c6a5b3f996e1cdd7394e2f6a85","slot":null},{"block":null,"method":"eth_call","params":["0x6F260b405c5A2A119482dFd9C3667F17718e4385","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0x6F260b405c5A2A119482dFd9C3667F17718e4385","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x6F260b405c5A2A119482dFd9C3667F17718e4385","factory()"],"raw_result":"0x0bfbcf9fa4f9c56b0f40a671ad40e0805a091865","result_hash":"2e3d0bedb6ff98db8ecf6c7b57f2028219517abe46f0f5212ff489a2c45cafbd","slot":null},{"block":null,"method":"eth_call","params":["0x6F260b405c5A2A119482dFd9C3667F17718e4385","fee()"],"raw_result":"10000","result_hash":"328d48ab2376d2f42d3af5ba69086143c8f5fe883ed195a8280b2154a5711a33","slot":null},{"block":null,"method":"eth_call","params":["0x0BFbCF9fa4f9C56B0F40a671Ad40E0805A091865","getPool","0x138ED6833ff4E8811E1FEa0D005E13726c8886F9","0x70c629478707c8A4eAe7FDc0EE54A9F61bEE4901","0x2710"],"raw_result":"0x6f260b405c5a2a119482dfd9c3667f17718e4385","result_hash":"ca28f620678b78e45dc5273128e86d7f8ba5914cf5b51c14f2fc7efb17fae9ff","slot":null},{"block":null,"method":"eth_call","params":["0x138ED6833ff4E8811E1FEa0D005E13726c8886F9","symbol()"],"raw_result":"Some(\"SNOWon\")","result_hash":"64198bd3528904d8492664df430d8c4a9a9fc425bfbd341c247f3ce85ff3c73b","slot":null},{"block":null,"method":"eth_call","params":["0x138ED6833ff4E8811E1FEa0D005E13726c8886F9","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x138ED6833ff4E8811E1FEa0D005E13726c8886F9","balanceOf","0x6F260b405c5A2A119482dFd9C3667F17718e4385"],"raw_result":"Some(\"383976724394322828\")","result_hash":"e6c88669be93d710e9c97bb54f8f11eaed32372b7c77423d36229abaf3d914e4","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","0x6F260b405c5A2A119482dFd9C3667F17718e4385"],"raw_result":"Some(\"209191569724648031739\")","result_hash":"9665a6dac4789b16b2990e491fac2954dddd80940515a9462adee8d2a93a9ddd","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":["0x138ED6833ff4E8811E1FEa0D005E13726c8886F9","symbol()"],"raw_result":"Some(\"SNOWon\")","result_hash":"64198bd3528904d8492664df430d8c4a9a9fc425bfbd341c247f3ce85ff3c73b","slot":null},{"block":null,"method":"eth_call","params":["0x138ED6833ff4E8811E1FEa0D005E13726c8886F9","name()"],"raw_result":"Some(\"Snowflake (Ondo Tokenized)\")","result_hash":"1994e2fc02f9eea6f3b80d55ab837f58b0f90c39a7bb57fdc756b12e60a85b32","slot":null},{"block":null,"method":"eth_call","params":["0x138ED6833ff4E8811E1FEa0D005E13726c8886F9","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x138ED6833ff4E8811E1FEa0D005E13726c8886F9","totalSupply()"],"raw_result":"Some(\"2268126926640079528917\")","result_hash":"9cc2d3114b221802ac241634daab25a9c5ff2184eeccbd3647859ee591fb3273","slot":null},{"block":null,"method":"eth_getCode","params":["0x138ED6833ff4E8811E1FEa0D005E13726c8886F9","latest"],"result_hash":"94608f5be99dad7eba2f1291156fff602e3d7e462e4517d8f65af38ba0f4b7b4","slot":null},{"block":null,"method":"eth_getCode","params":["0x138ED6833ff4E8811E1FEa0D005E13726c8886F9","latest"],"result_hash":"94608f5be99dad7eba2f1291156fff602e3d7e462e4517d8f65af38ba0f4b7b4","slot":null}],"registry_entry":{"chain":"bnb","contract":"0x138ED6833ff4E8811E1FEa0D005E13726c8886F9","decimals":null,"issuer":"Ondo","last_checked":"2026-10-19T21:40:22Z","name":"Snowflake (Ondo Tokenized)","official_deployments":[{"address":"0x5D1a9a9B118fF19721e0111f094f2360b6Ef7A2f","network":"Ethereum"},{"address":"0x138ED6833ff4E8811E1FEa0D005E13726c8886F9","network":"BNB Chain"},{"address":"JmFLCBwoNvcXy6B2VqABg6m784ubkXpaEx3p7S5ondo","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":"SNOW"},"registry_hash":"f3939bae933ba4104be438e67c414e84d9eb518cec0448785678b642b9519284","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x6F260b405c5A2A119482dFd9C3667F17718e4385","ticker":"SNOW","verdict":{"Verified":{"issuer":"Ondo","ticker":"SNOW"}},"version":1}

Signature

Fs45vMSenBVPvx51vn20/Gvj8YiaMVYHbCf17uCKZ1xOzZxwNlMX2c9op17E+izwkSJP/ma0zBN8ZOC59vB1DQ==

API call

GET /api/attest/04cd7f4edc904dc2ccf5d6da13811ecb9afbb72bd991222ba654be1019f6ae05

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.