USDG/RIVN

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":76128766,"chain":"RobinhoodChain","checked_at":"2026-09-30T01:38:47Z","dev":false,"expires_at":"2026-10-01T01:38:47Z","issuer":"Robinhood","pool":{"base":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"26785903256","decimals":6,"symbol":"USDG"},"chain":"RobinhoodChain","dex":"uniswap-v3","pool":"0xb30A75B200D98A600a3766869344928E35823E23","quote":{"address":"0xB1BF26c1D20ff267A4f93550d1E0d06ac40a114B","balance":"3386438280690562447557","decimals":18,"symbol":"RIVN"}},"quote_share_of_supply":0.11501385072843306,"reads":[{"block":null,"method":"eth_getCode","params":["0xb30A75B200D98A600a3766869344928E35823E23","latest"],"result_hash":"03c182ae2667e46e7a902aeb8885196bd04a44706a7d89b51902bd685c4d4e1c","slot":null},{"block":76128766,"method":"eth_blockNumber","params":[],"result_hash":"ac65da8af07a9f8da086ab77310fefa3e233e2baaefeb162787c4adff8f4f2a9","slot":null},{"block":null,"method":"eth_call","params":["0xb30A75B200D98A600a3766869344928E35823E23","token0()"],"raw_result":"0x5fc5360d0400a0fd4f2af552add042d716f1d168","result_hash":"742eb919f060d78d6f55d9d90c592b8d91ea7358553fc7e37cb579cf21192137","slot":null},{"block":null,"method":"eth_call","params":["0xb30A75B200D98A600a3766869344928E35823E23","token1()"],"raw_result":"0xb1bf26c1d20ff267a4f93550d1e0d06ac40a114b","result_hash":"8cc71eefb6fd1158d079738d8e5716de69c271abba27c28ce31a2f4b28516a7e","slot":null},{"block":null,"method":"eth_call","params":["0xb30A75B200D98A600a3766869344928E35823E23","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xb30A75B200D98A600a3766869344928E35823E23","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xb30A75B200D98A600a3766869344928E35823E23","factory()"],"raw_result":"Some(0x1f7d7550b1b028f7571e69a784071f0205fd2efa)","result_hash":"3a5325de1b5dc50662a9e2ec44d8428ded4306d2bd46195f62299474690e30aa","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","0xb30A75B200D98A600a3766869344928E35823E23"],"raw_result":"Some(\"26785903256\")","result_hash":"21567c8ca3708be66a108dbf43a01ed29086dbd6bc96a93c3b587c25e98c4087","slot":null},{"block":null,"method":"eth_call","params":["0xB1BF26c1D20ff267A4f93550d1E0d06ac40a114B","symbol()"],"raw_result":"Some(\"RIVN\")","result_hash":"015277ada86f2613bca06b0273c268e8fb6d99d080facd9ad908352f946f6542","slot":null},{"block":null,"method":"eth_call","params":["0xB1BF26c1D20ff267A4f93550d1E0d06ac40a114B","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xB1BF26c1D20ff267A4f93550d1E0d06ac40a114B","balanceOf","0xb30A75B200D98A600a3766869344928E35823E23"],"raw_result":"Some(\"3386438280690562447557\")","result_hash":"049d728f6380a0e7c08ed9696816885139f1087ebd1dde1bf0f0db4e00da0d6a","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":["0xB1BF26c1D20ff267A4f93550d1E0d06ac40a114B","symbol()"],"raw_result":"Some(\"RIVN\")","result_hash":"015277ada86f2613bca06b0273c268e8fb6d99d080facd9ad908352f946f6542","slot":null},{"block":null,"method":"eth_call","params":["0xB1BF26c1D20ff267A4f93550d1E0d06ac40a114B","name()"],"raw_result":"Some(\"Rivian Automotive • Robinhood Token\")","result_hash":"86833e17829bd87e3227786adbc98af5a8424fa2cd5c5bd5e57e974346e13f2c","slot":null},{"block":null,"method":"eth_call","params":["0xB1BF26c1D20ff267A4f93550d1E0d06ac40a114B","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xB1BF26c1D20ff267A4f93550d1E0d06ac40a114B","totalSupply()"],"raw_result":"Some(\"29443743160000000000000\")","result_hash":"81f320c0e62c5e9cf74dbec6bd489bedc86406475af160b1a905b320b9d44302","slot":null},{"block":null,"method":"eth_call","params":["0xB1BF26c1D20ff267A4f93550d1E0d06ac40a114B","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_getCode","params":["0xB1BF26c1D20ff267A4f93550d1E0d06ac40a114B","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0xB1BF26c1D20ff267A4f93550d1E0d06ac40a114B","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"RobinhoodChain","contract":"0xB1BF26c1D20ff267A4f93550d1E0d06ac40a114B","decimals":18,"issuer":"Robinhood","last_checked":"2026-09-30T01:37:24Z","name":"Rivian Automotive","source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"RIVN"},"registry_hash":"abef97b3ad2938b7051778363de6a051cdf8518e229b4f37504bec93f04b4868","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xb30A75B200D98A600a3766869344928E35823E23","ticker":"RIVN","verdict":{"Verified":{"issuer":"Robinhood","ticker":"RIVN"}},"version":1}

Signature

etX8YQns9O+i3rgTvrLybH1tt6QjuhCQEEPdKjYFhviYOq0vHC5SaPjIgwxIpws1yaDUb/3vCZZ1S7BAGhO3Dw==

API call

GET /api/attest/a2f1067bf71af31d5b38fc8e8d61489ef8e56242b43c86874cb9e0abd6028d19

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.