Does WMTon / 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":128990098,"chain":"bnb","checked_at":"2026-10-21T18:59:00Z","dev":false,"expires_at":"2026-10-22T18:59:00Z","issuer":"Ondo","pool":{"base":{"address":"0x70c629478707c8A4eAe7FDc0EE54A9F61bEE4901","balance":"72466169935756380297","decimals":18,"symbol":"JPF"},"chain":"bnb","dex":"pancake-v3","pool":"0xf9F188A1509d746B54F7cC7A67d6f5C20DB07B47","quote":{"address":"0xa7d1e886acf66Ec0656DF2DECB4B7C893A3bAb4C","balance":"423106717591341351","decimals":18,"symbol":"WMTon"}},"quote_share_of_supply":0.0053361175184388375,"reads":[{"block":128990098,"method":"eth_blockNumber","params":[],"result_hash":"7707756eed4f967037403662ce239fcdac5f3bfdd5976db5447dd745d727e9b2","slot":null},{"block":null,"method":"eth_call","params":["0xf9F188A1509d746B54F7cC7A67d6f5C20DB07B47","token0()"],"raw_result":"0x70c629478707c8a4eae7fdc0ee54a9f61bee4901","result_hash":"3b2c8aa6ac7f4aeb3f10f406093b5b9378cfd8c6a5b3f996e1cdd7394e2f6a85","slot":null},{"block":null,"method":"eth_call","params":["0xf9F188A1509d746B54F7cC7A67d6f5C20DB07B47","token1()"],"raw_result":"0xa7d1e886acf66ec0656df2decb4b7c893a3bab4c","result_hash":"1e92fd722df575ada7991858798d0467a885c32fbafbb30b912a06c4b386f68c","slot":null},{"block":null,"method":"eth_call","params":["0xf9F188A1509d746B54F7cC7A67d6f5C20DB07B47","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xf9F188A1509d746B54F7cC7A67d6f5C20DB07B47","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xf9F188A1509d746B54F7cC7A67d6f5C20DB07B47","factory()"],"raw_result":"0x0bfbcf9fa4f9c56b0f40a671ad40e0805a091865","result_hash":"2e3d0bedb6ff98db8ecf6c7b57f2028219517abe46f0f5212ff489a2c45cafbd","slot":null},{"block":null,"method":"eth_call","params":["0xf9F188A1509d746B54F7cC7A67d6f5C20DB07B47","fee()"],"raw_result":"10000","result_hash":"328d48ab2376d2f42d3af5ba69086143c8f5fe883ed195a8280b2154a5711a33","slot":null},{"block":null,"method":"eth_call","params":["0x0BFbCF9fa4f9C56B0F40a671Ad40E0805A091865","getPool","0x70c629478707c8A4eAe7FDc0EE54A9F61bEE4901","0xa7d1e886acf66Ec0656DF2DECB4B7C893A3bAb4C","0x2710"],"raw_result":"0xf9f188a1509d746b54f7cc7a67d6f5c20db07b47","result_hash":"b72208056a0e282b254c42f23364feddc719a837e407a1202b97153ed5eaa2f4","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","0xf9F188A1509d746B54F7cC7A67d6f5C20DB07B47"],"raw_result":"Some(\"72466169935756380297\")","result_hash":"97fe2c4f29a64edabeb8fc3347ff42cbc3a8d55277594d46858648c77e5e85ea","slot":null},{"block":null,"method":"eth_call","params":["0xa7d1e886acf66Ec0656DF2DECB4B7C893A3bAb4C","symbol()"],"raw_result":"Some(\"WMTon\")","result_hash":"1bbedbbbb35bb0c3143a3892309a044a38da23023dae02b28d8ce090ae3eb4fc","slot":null},{"block":null,"method":"eth_call","params":["0xa7d1e886acf66Ec0656DF2DECB4B7C893A3bAb4C","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xa7d1e886acf66Ec0656DF2DECB4B7C893A3bAb4C","balanceOf","0xf9F188A1509d746B54F7cC7A67d6f5C20DB07B47"],"raw_result":"Some(\"423106717591341351\")","result_hash":"a7d9b36f5f8e856a4de9c09b0c26df14d2f512aecc1e909d90db0fa202412cfa","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":["0xa7d1e886acf66Ec0656DF2DECB4B7C893A3bAb4C","symbol()"],"raw_result":"Some(\"WMTon\")","result_hash":"1bbedbbbb35bb0c3143a3892309a044a38da23023dae02b28d8ce090ae3eb4fc","slot":null},{"block":null,"method":"eth_call","params":["0xa7d1e886acf66Ec0656DF2DECB4B7C893A3bAb4C","name()"],"raw_result":"Some(\"Walmart (Ondo Tokenized)\")","result_hash":"649cee5f133be27f1c0c268d14ec62023e37eb1b35a397dcf96bf0388ffeb3e5","slot":null},{"block":null,"method":"eth_call","params":["0xa7d1e886acf66Ec0656DF2DECB4B7C893A3bAb4C","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xa7d1e886acf66Ec0656DF2DECB4B7C893A3bAb4C","totalSupply()"],"raw_result":"Some(\"79291116833410314729\")","result_hash":"b0a1aaf1959e8137464fee719b224572872b97f45f47e114b0d55deb55c1cd9b","slot":null},{"block":null,"method":"eth_getCode","params":["0xa7d1e886acf66Ec0656DF2DECB4B7C893A3bAb4C","latest"],"result_hash":"94608f5be99dad7eba2f1291156fff602e3d7e462e4517d8f65af38ba0f4b7b4","slot":null},{"block":null,"method":"eth_getCode","params":["0xa7d1e886acf66Ec0656DF2DECB4B7C893A3bAb4C","latest"],"result_hash":"94608f5be99dad7eba2f1291156fff602e3d7e462e4517d8f65af38ba0f4b7b4","slot":null}],"registry_entry":{"chain":"bnb","contract":"0xa7d1e886acf66Ec0656DF2DECB4B7C893A3bAb4C","decimals":null,"issuer":"Ondo","last_checked":"2026-10-20T22:40:22Z","name":"Walmart (Ondo Tokenized)","official_deployments":[{"address":"0x82106347dDbB23cE44Cf4cE4053Ef1adf8b9323B","network":"Ethereum"},{"address":"0xa7d1e886acf66Ec0656DF2DECB4B7C893A3bAb4C","network":"BNB Chain"},{"address":"LZddqAqKqJW9oMZSjTxCUmbmzBRQtv9gMkD9hZ3ondo","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":"WMT"},"registry_hash":"d2b23738a0957d6535d8cddb63373ceb6c6c963a51ba306222a0752fa56fc433","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xf9F188A1509d746B54F7cC7A67d6f5C20DB07B47","ticker":"WMT","verdict":{"Verified":{"issuer":"Ondo","ticker":"WMT"}},"version":1}

Signature

V0vpE9oXE+E8iJefpbL4B3iRXmsUARrmMnjpPeZw8a8OIgjyohdtnJZ40LeOF4X2YcBXRrcCv7SK0+wl+qqCDA==

API call

GET /api/attest/0eddf7694e1be59b3c363801bd1c637d664dd2877e98f9eb9aee2cbc43eacdad

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.