RDDT/WETH

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":75266726,"chain":"RobinhoodChain","checked_at":"2026-09-29T01:34:12Z","dev":false,"expires_at":"2026-09-30T01:34:12Z","issuer":"Robinhood","pool":{"base":{"address":"0x05b37Fb53A299a1b874A619e1c4C404D52C36F4C","balance":"967917894418887316582","decimals":18,"symbol":"RDDT"},"chain":"RobinhoodChain","dex":"uniswap-v3","pool":"0x714187EeD11d8fc9500ff6798734c8BB63a8A19b","quote":{"address":"0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","balance":"481486962801463544","decimals":18,"symbol":"WETH"}},"quote_share_of_supply":0.05610060132147861,"reads":[{"block":null,"method":"eth_getCode","params":["0x714187EeD11d8fc9500ff6798734c8BB63a8A19b","latest"],"result_hash":"aed846f7d6569a0dd469d83ca2fbaf028edd7f9fdac9162d2981538c44fe14b5","slot":null},{"block":75266726,"method":"eth_blockNumber","params":[],"result_hash":"d4122a0b4a664319c99082de6b44134fd13028783d61478918148f6e136447cb","slot":null},{"block":null,"method":"eth_call","params":["0x714187EeD11d8fc9500ff6798734c8BB63a8A19b","token0()"],"raw_result":"0x05b37fb53a299a1b874a619e1c4c404d52c36f4c","result_hash":"3f79fdaae9784c8213b75830492540bb5c54290857aa3c883e02dd038be59468","slot":null},{"block":null,"method":"eth_call","params":["0x714187EeD11d8fc9500ff6798734c8BB63a8A19b","token1()"],"raw_result":"0x0bd7d308f8e1639fab988df18a8011f41eacad73","result_hash":"de544c5c8fa36cc133d3195abda0458ac2fac1d8dc7a92dfa423a4c9aa1b415d","slot":null},{"block":null,"method":"eth_call","params":["0x714187EeD11d8fc9500ff6798734c8BB63a8A19b","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0x714187EeD11d8fc9500ff6798734c8BB63a8A19b","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x714187EeD11d8fc9500ff6798734c8BB63a8A19b","factory()"],"raw_result":"Some(0x1f7d7550b1b028f7571e69a784071f0205fd2efa)","result_hash":"3a5325de1b5dc50662a9e2ec44d8428ded4306d2bd46195f62299474690e30aa","slot":null},{"block":null,"method":"eth_call","params":["0x05b37Fb53A299a1b874A619e1c4C404D52C36F4C","symbol()"],"raw_result":"Some(\"RDDT\")","result_hash":"69c4ad830f110c82b8a8b207f5d89ec84a67804e1a60de873db8bfa0c3b44d9a","slot":null},{"block":null,"method":"eth_call","params":["0x05b37Fb53A299a1b874A619e1c4C404D52C36F4C","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x05b37Fb53A299a1b874A619e1c4C404D52C36F4C","balanceOf","0x714187EeD11d8fc9500ff6798734c8BB63a8A19b"],"raw_result":"Some(\"967917894418887316582\")","result_hash":"78a02f17dc8bb54941590332a0f6c46ad29b4d633ae40eab74e5cdd3926f3561","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","0x714187EeD11d8fc9500ff6798734c8BB63a8A19b"],"raw_result":"Some(\"481486962801463544\")","result_hash":"c08efe85d50031880e826d728be4359c638566833b3013a16fabc36d6d7a81b4","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(\"36787919198476300475845\")","result_hash":"94547a77a3df711262be636302b0980319edf6d4971f899f919a8e14a69d66cb","slot":null},{"block":null,"method":"eth_call","params":["0x05b37Fb53A299a1b874A619e1c4C404D52C36F4C","symbol()"],"raw_result":"Some(\"RDDT\")","result_hash":"69c4ad830f110c82b8a8b207f5d89ec84a67804e1a60de873db8bfa0c3b44d9a","slot":null},{"block":null,"method":"eth_call","params":["0x05b37Fb53A299a1b874A619e1c4C404D52C36F4C","name()"],"raw_result":"Some(\"Reddit • Robinhood Token\")","result_hash":"45ebe8a0e8f57365e07ef5de41adc8fbb1fcfd33115cd7c998591602c72a1c83","slot":null},{"block":null,"method":"eth_call","params":["0x05b37Fb53A299a1b874A619e1c4C404D52C36F4C","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x05b37Fb53A299a1b874A619e1c4C404D52C36F4C","totalSupply()"],"raw_result":"Some(\"17253253470000000000000\")","result_hash":"6dc350851bc0fa60b3de573c53ade5a17147448fd6bbb42198413893bdb10c7e","slot":null},{"block":null,"method":"eth_call","params":["0x05b37Fb53A299a1b874A619e1c4C404D52C36F4C","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_getCode","params":["0x05b37Fb53A299a1b874A619e1c4C404D52C36F4C","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x05b37Fb53A299a1b874A619e1c4C404D52C36F4C","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"RobinhoodChain","contract":"0x05b37Fb53A299a1b874A619e1c4C404D52C36F4C","decimals":18,"issuer":"Robinhood","last_checked":"2026-09-29T01:07:51Z","name":"Reddit","source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"RDDT"},"registry_hash":"dfaf1ed27b0ca5a007cc38550ef65af517e4fad141d94dd5dd34f0c7957aa2e1","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x714187EeD11d8fc9500ff6798734c8BB63a8A19b","ticker":"RDDT","verdict":{"Verified":{"issuer":"Robinhood","ticker":"RDDT"}},"version":1}

Signature

iEO3X1A6QcPfYSwiiSh4WPuy8tGUvR9ldTxZqZnf/6FuNMmGILpBFe9F+ZM1OuO9G4hYd6Pa81tux/zRes9xAg==

API call

GET /api/attest/f4b906b8f4f4db21cc4495483e2bb07779d4c994a52eea630c425590cfae6950

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.