WETH/AAPL

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":76078019,"chain":"RobinhoodChain","checked_at":"2026-09-30T00:13:46Z","dev":false,"expires_at":"2026-10-01T00:13:46Z","issuer":"Robinhood","pool":{"base":{"address":"0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","balance":"23695942634127808215","decimals":18,"symbol":"WETH"},"chain":"RobinhoodChain","dex":"uniswap-v3","pool":"0x8bb3514e2204E1cDF3Ac149EFEe7Ff04D91B719f","quote":{"address":"0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","balance":"554673511828525553583","decimals":18,"symbol":"AAPL"}},"quote_share_of_supply":0.03270578744945605,"reads":[{"block":null,"method":"eth_getCode","params":["0x8bb3514e2204E1cDF3Ac149EFEe7Ff04D91B719f","latest"],"result_hash":"f377ee8d6abf77815670f8c7ef93032945f713aa441f5ef7151e73bf74f4f7b7","slot":null},{"block":76078019,"method":"eth_blockNumber","params":[],"result_hash":"22e29547449edab978049511f9908c4cf4a4c78c9b45752a2fa842f4cf39253f","slot":null},{"block":null,"method":"eth_call","params":["0x8bb3514e2204E1cDF3Ac149EFEe7Ff04D91B719f","token0()"],"raw_result":"0x0bd7d308f8e1639fab988df18a8011f41eacad73","result_hash":"de544c5c8fa36cc133d3195abda0458ac2fac1d8dc7a92dfa423a4c9aa1b415d","slot":null},{"block":null,"method":"eth_call","params":["0x8bb3514e2204E1cDF3Ac149EFEe7Ff04D91B719f","token1()"],"raw_result":"0xaf3d76f1834a1d425780943c99ea8a608f8a93f9","result_hash":"7bdeb4ffa92c182e8e44ad77b9f1ec97c285ecb9d8ecce8ee48245de576600b7","slot":null},{"block":null,"method":"eth_call","params":["0x8bb3514e2204E1cDF3Ac149EFEe7Ff04D91B719f","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0x8bb3514e2204E1cDF3Ac149EFEe7Ff04D91B719f","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x8bb3514e2204E1cDF3Ac149EFEe7Ff04D91B719f","factory()"],"raw_result":"Some(0x1f7d7550b1b028f7571e69a784071f0205fd2efa)","result_hash":"3a5325de1b5dc50662a9e2ec44d8428ded4306d2bd46195f62299474690e30aa","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","symbol()"],"raw_result":"Some(\"WETH\")","result_hash":"dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","balanceOf","0x8bb3514e2204E1cDF3Ac149EFEe7Ff04D91B719f"],"raw_result":"Some(\"23695942634127808215\")","result_hash":"d654fcd43388b6a66bed43103b00969c8274a735e2643594637718a6df945a9f","slot":null},{"block":null,"method":"eth_call","params":["0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","symbol()"],"raw_result":"Some(\"AAPL\")","result_hash":"48424a416acfb43df366228ab59c0dda737fc30f8b9163d84cd228d23b30169a","slot":null},{"block":null,"method":"eth_call","params":["0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","balanceOf","0x8bb3514e2204E1cDF3Ac149EFEe7Ff04D91B719f"],"raw_result":"Some(\"554673511828525553583\")","result_hash":"c059847b07b5d3cdcf3e43a4a4d89f75e537979539029568c736cd3eb7e80397","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","symbol()"],"raw_result":"Some(\"WETH\")","result_hash":"dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","name()"],"raw_result":"Some(\"WETH\")","result_hash":"dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","totalSupply()"],"raw_result":"Some(\"34372249550765987125152\")","result_hash":"2e33808141221d10b1c56596620e7d36b52a89e90594908e86f0ade1f2c47c90","slot":null},{"block":null,"method":"eth_call","params":["0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","symbol()"],"raw_result":"Some(\"AAPL\")","result_hash":"48424a416acfb43df366228ab59c0dda737fc30f8b9163d84cd228d23b30169a","slot":null},{"block":null,"method":"eth_call","params":["0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","name()"],"raw_result":"Some(\"Apple • Robinhood Token\")","result_hash":"1681d3da438db6052f6902f6024e0b8e09aafba8fe3fcc5831e2904fd3b1a514","slot":null},{"block":null,"method":"eth_call","params":["0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","totalSupply()"],"raw_result":"Some(\"16959491120210000000000\")","result_hash":"7cff6deea65956d291294b6da7ea7aba0bc68f06a5e72ccecfdab45c6c6d7c73","slot":null},{"block":null,"method":"eth_call","params":["0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","uiMultiplier()"],"raw_result":"1000566080061092436","result_hash":"6c89fcf3b84287d5a3a7a69a9cfce1c385dfefd4dca861621c3a8fb3ab31dcc7","slot":null},{"block":null,"method":"eth_getCode","params":["0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"RobinhoodChain","contract":"0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","decimals":18,"issuer":"Robinhood","last_checked":"2026-09-29T23:37:24Z","name":"Apple","source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"AAPL"},"registry_hash":"b3f72fc9046ef9a37e433405d5916bce13581b85d8cce5889f24cf56e53b77b4","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x8bb3514e2204E1cDF3Ac149EFEe7Ff04D91B719f","ticker":"AAPL","verdict":{"Verified":{"issuer":"Robinhood","ticker":"AAPL"}},"version":1}

Signature

2bcAEOGwE2NfY3fpKUwLv1Mw2mXgu6DGBAR+kVD1304s4MGjFH5CsbHAPpAqoo9YWwg5htNgew64M+ADvRi9Aw==

API call

GET /api/attest/3aece64a433c613e3f5d2c61bc31fcc9a4461adb3d601d5c2798d30349db5fec

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.