TSLA/USDG

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":81715825,"chain":"RobinhoodChain","checked_at":"2026-10-06T14:53:56Z","dev":false,"expires_at":"2026-10-07T14:53:56Z","issuer":"Robinhood","pool":{"base":{"address":"0x322F0929c4625eD5bAd873c95208D54E1c003b2d","balance":"79351998990127640171","decimals":18,"symbol":"TSLA"},"chain":"RobinhoodChain","dex":"uniswap-v3","pool":"0xc4f0172D6ac8DD294Dd1137D047d5E1893760236","quote":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"56038005045","decimals":6,"symbol":"USDG"}},"quote_share_of_supply":0.006537790310680702,"reads":[{"block":null,"method":"eth_getCode","params":["0xc4f0172D6ac8DD294Dd1137D047d5E1893760236","latest"],"result_hash":"5925af757da222b0e4fec78cd2c294c5665ee1803226af5cae02e594325031d0","slot":null},{"block":81715825,"method":"eth_blockNumber","params":[],"result_hash":"dd59cb5fa538bb7e97143a29acf833a9ff5837be5ed309e3c2ead70eb9a91a87","slot":null},{"block":null,"method":"eth_call","params":["0xc4f0172D6ac8DD294Dd1137D047d5E1893760236","token0()"],"raw_result":"0x322f0929c4625ed5bad873c95208d54e1c003b2d","result_hash":"c412e95b48db1bec8a54af2c7e809be054e21cacf4a59be8fb51aa7168935cc9","slot":null},{"block":null,"method":"eth_call","params":["0xc4f0172D6ac8DD294Dd1137D047d5E1893760236","token1()"],"raw_result":"0x5fc5360d0400a0fd4f2af552add042d716f1d168","result_hash":"742eb919f060d78d6f55d9d90c592b8d91ea7358553fc7e37cb579cf21192137","slot":null},{"block":null,"method":"eth_call","params":["0xc4f0172D6ac8DD294Dd1137D047d5E1893760236","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xc4f0172D6ac8DD294Dd1137D047d5E1893760236","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xc4f0172D6ac8DD294Dd1137D047d5E1893760236","factory()"],"raw_result":"Some(0x1f7d7550b1b028f7571e69a784071f0205fd2efa)","result_hash":"3a5325de1b5dc50662a9e2ec44d8428ded4306d2bd46195f62299474690e30aa","slot":null},{"block":null,"method":"eth_call","params":["0x322F0929c4625eD5bAd873c95208D54E1c003b2d","symbol()"],"raw_result":"Some(\"TSLA\")","result_hash":"9182fae8cdd4f31a1540baecff5547b7c65d4dedd954bc34f041b9a6d7744b2d","slot":null},{"block":null,"method":"eth_call","params":["0x322F0929c4625eD5bAd873c95208D54E1c003b2d","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x322F0929c4625eD5bAd873c95208D54E1c003b2d","balanceOf","0xc4f0172D6ac8DD294Dd1137D047d5E1893760236"],"raw_result":"Some(\"79351998990127640171\")","result_hash":"757049b2db08427074b3a246ccea52fd7a68dbfa63beaf561d15c1c278ce518a","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","symbol()"],"raw_result":"Some(\"USDG\")","result_hash":"5cbfd9547b12ffd28d96e5f55c97290c4f230a8d7ad7bbe91dc15f2e61c1a3c5","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balanceOf","0xc4f0172D6ac8DD294Dd1137D047d5E1893760236"],"raw_result":"Some(\"56038005045\")","result_hash":"ee23313047b7b20da1f54041c1820848c308cf40b405ed7f9bbffcd0bc4e86e3","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","symbol()"],"raw_result":"Some(\"USDG\")","result_hash":"5cbfd9547b12ffd28d96e5f55c97290c4f230a8d7ad7bbe91dc15f2e61c1a3c5","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","name()"],"raw_result":"Some(\"Global Dollar\")","result_hash":"e34c795a5a7df6a2269bde7247321204357731d7742ef5974b04eb6899db8b11","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","totalSupply()"],"raw_result":"Some(\"715524796715623\")","result_hash":"1800203c5cee438bcd381f6cc25bb56e9febc932e6a1e237a7c47704ae3942f5","slot":null},{"block":null,"method":"eth_call","params":["0x322F0929c4625eD5bAd873c95208D54E1c003b2d","symbol()"],"raw_result":"Some(\"TSLA\")","result_hash":"9182fae8cdd4f31a1540baecff5547b7c65d4dedd954bc34f041b9a6d7744b2d","slot":null},{"block":null,"method":"eth_call","params":["0x322F0929c4625eD5bAd873c95208D54E1c003b2d","name()"],"raw_result":"Some(\"Tesla • Robinhood Token\")","result_hash":"4bef7a68f1285a423ef9bdc1049896d14deac214ccf071571d5dfc94856c6fee","slot":null},{"block":null,"method":"eth_call","params":["0x322F0929c4625eD5bAd873c95208D54E1c003b2d","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x322F0929c4625eD5bAd873c95208D54E1c003b2d","totalSupply()"],"raw_result":"Some(\"12137434090000000000000\")","result_hash":"2c2265af1c3c325953c00526bef3b6aba109dc56bb23b41f242b6e0733774210","slot":null},{"block":null,"method":"eth_call","params":["0x322F0929c4625eD5bAd873c95208D54E1c003b2d","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_getCode","params":["0x322F0929c4625eD5bAd873c95208D54E1c003b2d","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x322F0929c4625eD5bAd873c95208D54E1c003b2d","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"RobinhoodChain","contract":"0x322F0929c4625eD5bAd873c95208D54E1c003b2d","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-06T14:14:21Z","name":"Tesla","source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"TSLA"},"registry_hash":"d20ae7921260bfbec4610eac5e2d2c84565374edcd3c8030ed0f4e8ecb4b3f00","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xc4f0172D6ac8DD294Dd1137D047d5E1893760236","ticker":"TSLA","verdict":{"Verified":{"issuer":"Robinhood","ticker":"TSLA"}},"version":1}

Signature

VkSPCy9yNtzD2NKY9GT7tYL358hfKcW9dYcRDHA3Lo604y+8FrgjuAACYBstjQh9MTJ1ebiPYm891nUeoky3Cw==

API call

GET /api/attest/2f798a237b1f064e1a010d9167cdf00257324a8e9e4a9fa3b21b0a3694341055

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.