USDG/LITE

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":76130130,"chain":"RobinhoodChain","checked_at":"2026-09-30T01:40:57Z","dev":false,"expires_at":"2026-10-01T01:40:57Z","issuer":"Robinhood","pool":{"base":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"18823765276","decimals":6,"symbol":"USDG"},"chain":"RobinhoodChain","dex":"uniswap-v3","pool":"0xE9a9471633faF6C0cE15065e74D71a9A02867633","quote":{"address":"0x8eF20885F94e3D9bc7eB3080279188Bd5ED7c08C","balance":"12510393318358435307","decimals":18,"symbol":"LITE"}},"quote_share_of_supply":0.05852671016294164,"reads":[{"block":null,"method":"eth_getCode","params":["0xE9a9471633faF6C0cE15065e74D71a9A02867633","latest"],"result_hash":"2b164db758ab744ce46c3a69648ad0915eb0654bf698ccd816b4bec8ecc9fa0d","slot":null},{"block":76130130,"method":"eth_blockNumber","params":[],"result_hash":"8ab8d405370a2237a24048e2182546580c18cd4ea7b623638abc53006ee73581","slot":null},{"block":null,"method":"eth_call","params":["0xE9a9471633faF6C0cE15065e74D71a9A02867633","token0()"],"raw_result":"0x5fc5360d0400a0fd4f2af552add042d716f1d168","result_hash":"742eb919f060d78d6f55d9d90c592b8d91ea7358553fc7e37cb579cf21192137","slot":null},{"block":null,"method":"eth_call","params":["0xE9a9471633faF6C0cE15065e74D71a9A02867633","token1()"],"raw_result":"0x8ef20885f94e3d9bc7eb3080279188bd5ed7c08c","result_hash":"fcfb105c0cbda792c94ab4f536e06aeaebde451c93aedbb1c63ed4cdd36bac77","slot":null},{"block":null,"method":"eth_call","params":["0xE9a9471633faF6C0cE15065e74D71a9A02867633","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xE9a9471633faF6C0cE15065e74D71a9A02867633","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xE9a9471633faF6C0cE15065e74D71a9A02867633","factory()"],"raw_result":"Some(0xe0c4ceb92d08ca985bb70fe0a22feb121a9854a8)","result_hash":"317250863b6884b96004007b3587ad2dfee13451d926500b1fc9bac72405dd84","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","0xE9a9471633faF6C0cE15065e74D71a9A02867633"],"raw_result":"Some(\"18823765276\")","result_hash":"027915b31f0b337c3b93913870f0d2e7ec034f300bba3cf28702a749702156fb","slot":null},{"block":null,"method":"eth_call","params":["0x8eF20885F94e3D9bc7eB3080279188Bd5ED7c08C","symbol()"],"raw_result":"Some(\"LITE\")","result_hash":"b39e12d43f3b9f1d613a77c819548d72aebcdcf4a26082c44d96247114e8946b","slot":null},{"block":null,"method":"eth_call","params":["0x8eF20885F94e3D9bc7eB3080279188Bd5ED7c08C","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x8eF20885F94e3D9bc7eB3080279188Bd5ED7c08C","balanceOf","0xE9a9471633faF6C0cE15065e74D71a9A02867633"],"raw_result":"Some(\"12510393318358435307\")","result_hash":"b87db944331527e62f86f11a2af65c61bc70fbb32b0e705beea81a2a36c7b1d3","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(\"684206116727748\")","result_hash":"c28c2840d974e7edbc2a78b90480774f945654809c745dedb1dcb4e21aaea62f","slot":null},{"block":null,"method":"eth_call","params":["0x8eF20885F94e3D9bc7eB3080279188Bd5ED7c08C","symbol()"],"raw_result":"Some(\"LITE\")","result_hash":"b39e12d43f3b9f1d613a77c819548d72aebcdcf4a26082c44d96247114e8946b","slot":null},{"block":null,"method":"eth_call","params":["0x8eF20885F94e3D9bc7eB3080279188Bd5ED7c08C","name()"],"raw_result":"Some(\"Lumentum • Robinhood Token\")","result_hash":"452f8224b2a4749f5c3e43332e5bcbda128a4072a038bcee0a1554ae39e19d02","slot":null},{"block":null,"method":"eth_call","params":["0x8eF20885F94e3D9bc7eB3080279188Bd5ED7c08C","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x8eF20885F94e3D9bc7eB3080279188Bd5ED7c08C","totalSupply()"],"raw_result":"Some(\"213755280000000000000\")","result_hash":"d813b865247e4b25be4e730b6bf0c2e7b228a9072dc0d562d42c82b4a72873e6","slot":null},{"block":null,"method":"eth_call","params":["0x8eF20885F94e3D9bc7eB3080279188Bd5ED7c08C","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_getCode","params":["0x8eF20885F94e3D9bc7eB3080279188Bd5ED7c08C","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x8eF20885F94e3D9bc7eB3080279188Bd5ED7c08C","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"RobinhoodChain","contract":"0x8eF20885F94e3D9bc7eB3080279188Bd5ED7c08C","decimals":18,"issuer":"Robinhood","last_checked":"2026-09-30T01:37:24Z","name":"Lumentum","source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"LITE"},"registry_hash":"abef97b3ad2938b7051778363de6a051cdf8518e229b4f37504bec93f04b4868","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xE9a9471633faF6C0cE15065e74D71a9A02867633","ticker":"LITE","verdict":{"Verified":{"issuer":"Robinhood","ticker":"LITE"}},"version":1}

Signature

NIb1H8S9OVoVnFU8YGiU4tNsY0kPoYhpEocW9bGjgM0fTyQiWkt0VRKSizDlxg6aL27NJlU4N0od8wl9lp3mBg==

API call

GET /api/attest/9e7210e9c294a53d95787529c24031648ffdfa0dc8098c12d78f0b0ea1cf541b

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.