LMT/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":76795911,"chain":"RobinhoodChain","checked_at":"2026-09-30T20:17:42Z","dev":false,"expires_at":"2026-10-01T20:17:42Z","issuer":"Robinhood","pool":{"base":{"address":"0x329fcACEb9AD6F9580DD5F643fed0646900D043c","balance":"215682869269832403988","decimals":18,"symbol":"LMT"},"chain":"RobinhoodChain","dex":"uniswap-v3","pool":"0x54f160Bea60EC5207918C539d86E0b906b4DA297","quote":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"3627420137","decimals":6,"symbol":"USDG"}},"quote_share_of_supply":0.33346139633352745,"reads":[{"block":null,"method":"eth_getCode","params":["0x54f160Bea60EC5207918C539d86E0b906b4DA297","latest"],"result_hash":"2a772b3b480c87a5181fc2ccb1b6dcf559134784b03c63d8930627b038d0813b","slot":null},{"block":76795911,"method":"eth_blockNumber","params":[],"result_hash":"ed72edc6cf44c8e2c4c21148c627a5eea2067aeb44ad75a960f64b5c228a1e51","slot":null},{"block":null,"method":"eth_call","params":["0x54f160Bea60EC5207918C539d86E0b906b4DA297","token0()"],"raw_result":"0x329fcaceb9ad6f9580dd5f643fed0646900d043c","result_hash":"29398def895ddc374fc2804ea26c483bc8b9965b4f629103c598acf9d932bdd8","slot":null},{"block":null,"method":"eth_call","params":["0x54f160Bea60EC5207918C539d86E0b906b4DA297","token1()"],"raw_result":"0x5fc5360d0400a0fd4f2af552add042d716f1d168","result_hash":"742eb919f060d78d6f55d9d90c592b8d91ea7358553fc7e37cb579cf21192137","slot":null},{"block":null,"method":"eth_call","params":["0x54f160Bea60EC5207918C539d86E0b906b4DA297","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0x54f160Bea60EC5207918C539d86E0b906b4DA297","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x54f160Bea60EC5207918C539d86E0b906b4DA297","factory()"],"raw_result":"Some(0x1f7d7550b1b028f7571e69a784071f0205fd2efa)","result_hash":"3a5325de1b5dc50662a9e2ec44d8428ded4306d2bd46195f62299474690e30aa","slot":null},{"block":null,"method":"eth_call","params":["0x329fcACEb9AD6F9580DD5F643fed0646900D043c","symbol()"],"raw_result":"Some(\"LMT\")","result_hash":"5adf30f6c0c66f62aeaca005c9975243b145d1133b5e7309bbdb11b130cd1a42","slot":null},{"block":null,"method":"eth_call","params":["0x329fcACEb9AD6F9580DD5F643fed0646900D043c","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x329fcACEb9AD6F9580DD5F643fed0646900D043c","balanceOf","0x54f160Bea60EC5207918C539d86E0b906b4DA297"],"raw_result":"Some(\"215682869269832403988\")","result_hash":"470376c64513f266af9494a2a63842ecc2127ccc62526377e298097cb1862930","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","0x54f160Bea60EC5207918C539d86E0b906b4DA297"],"raw_result":"Some(\"3627420137\")","result_hash":"b63f0132c4d8925fdb3ea23068239862e827d5af76d9edeaed6149f992a4378b","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(\"692612786579256\")","result_hash":"f4acd52501f239ef0223717c1f975d536e1e236edaaaf79a54d1d38400867a10","slot":null},{"block":null,"method":"eth_call","params":["0x329fcACEb9AD6F9580DD5F643fed0646900D043c","symbol()"],"raw_result":"Some(\"LMT\")","result_hash":"5adf30f6c0c66f62aeaca005c9975243b145d1133b5e7309bbdb11b130cd1a42","slot":null},{"block":null,"method":"eth_call","params":["0x329fcACEb9AD6F9580DD5F643fed0646900D043c","name()"],"raw_result":"Some(\"Lockheed • Robinhood Token\")","result_hash":"bf4221a7601439aa3ac47c764a0b1b53938a810846d16cb24208a49f0e038b92","slot":null},{"block":null,"method":"eth_call","params":["0x329fcACEb9AD6F9580DD5F643fed0646900D043c","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x329fcACEb9AD6F9580DD5F643fed0646900D043c","totalSupply()"],"raw_result":"Some(\"646800114320000000000\")","result_hash":"d1f454bae785a2a8f240a25504a1eec3875e9fe2dcf2d29e95f44a00f628367e","slot":null},{"block":null,"method":"eth_call","params":["0x329fcACEb9AD6F9580DD5F643fed0646900D043c","uiMultiplier()"],"raw_result":"1000021050802889793","result_hash":"de3994bd1f54cf01600ebea6b4be995a50a9f84b699be64767f5b103666bbb96","slot":null},{"block":null,"method":"eth_getCode","params":["0x329fcACEb9AD6F9580DD5F643fed0646900D043c","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x329fcACEb9AD6F9580DD5F643fed0646900D043c","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"RobinhoodChain","contract":"0x329fcACEb9AD6F9580DD5F643fed0646900D043c","decimals":18,"issuer":"Robinhood","last_checked":"2026-09-30T19:20:14Z","name":"Lockheed","source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"LMT"},"registry_hash":"df7642c17e627e7600003c0327d057e934f5c09b8c2142a8b83d77c78caced9e","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x54f160Bea60EC5207918C539d86E0b906b4DA297","ticker":"LMT","verdict":{"Verified":{"issuer":"Robinhood","ticker":"LMT"}},"version":1}

Signature

x+k2SK7vfnqJWjpEbYNlwzxP9obEkVgwN8zWuVklgGeljgjS/Qiqii+iHKXIeh/sBqbmsJWVtdADJgaahULGDA==

API call

GET /api/attest/9e329ba8769db0c27d5ab7576bec9a8f36fbf3abcf04177ee441660810ab8f1a

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.