QED certificate
QED record 78d28ca00360 from . View the live pool page.
Verified · Robinhood ASML
Does ASML / USDG match its issuer's published contract?
The pool's quote contract matches Robinhood's registry entry for ASML.
Verified means the observed quote-token contract matches an issuer-published registry entry on Robinhood Chain. Only the quote-side contract is checked.
This does not prove backing, custody, reserves, price, safety, solvency, or endorsement.Signature valid · contract match
- Subject
- ASML / USDG · Robinhood Chain
- Pool address
-
0xe75b5128EE450DD7C30F9a24D581418047ba017F - Issuer match
- Robinhood · ASML · View ASML contracts
- Checked
- Valid until
- Serial
-
78d28ca00360 - Signed by
- QED (key id
GJWKkiUd)
After this time the certificate remains a historical record, but it no longer establishes current pool or registry state. Re-check to create a fresh observation before relying on current facts.
Compare this address with the one you were given before you trade.
Only trust an address you pasted here or opened from this page.
How to verify this yourself
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":97338416,"chain":"robinhood","checked_at":"2026-10-25T05:11:03Z","dev":false,"expires_at":"2026-10-26T05:11:03Z","issuer":"Robinhood","pool":{"base":{"address":"0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","balance":"6734918630940576496","decimals":18,"symbol":"ASML"},"chain":"robinhood","dex":"ramses-v3","pool":"0xe75b5128EE450DD7C30F9a24D581418047ba017F","quote":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"5695200750","decimals":6,"symbol":"USDG"}},"quote_share_of_supply":0.0740382674965171,"reads":[{"block":97338416,"method":"eth_blockNumber","params":[],"result_hash":"7d84706c16743b6efeb6d484f5a055c5337e9ff7001cb66292ee90580b89cf63","slot":null},{"block":null,"method":"eth_call","params":["0xe75b5128EE450DD7C30F9a24D581418047ba017F","token0()"],"raw_result":"0x47f93d52cbec7c6d2cfc080e154002370a60daea","result_hash":"2692a02efa07e495ab3f4ce7b5371d710b0049591e7d8f1882fc98d8da8c5183","slot":null},{"block":null,"method":"eth_call","params":["0xe75b5128EE450DD7C30F9a24D581418047ba017F","token1()"],"raw_result":"0x5fc5360d0400a0fd4f2af552add042d716f1d168","result_hash":"742eb919f060d78d6f55d9d90c592b8d91ea7358553fc7e37cb579cf21192137","slot":null},{"block":null,"method":"eth_call","params":["0xe75b5128EE450DD7C30F9a24D581418047ba017F","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xe75b5128EE450DD7C30F9a24D581418047ba017F","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xe75b5128EE450DD7C30F9a24D581418047ba017F","factory()"],"raw_result":"0xe0c4ceb92d08ca985bb70fe0a22feb121a9854a8","result_hash":"3acd97ac868973fcda20afc787b251dff09968890029c0107e8fa1018dc5cca8","slot":null},{"block":null,"method":"eth_call","params":["0xe75b5128EE450DD7C30F9a24D581418047ba017F","tickSpacing()"],"raw_result":"100","result_hash":"d77ccb69e3f915ed75b4a2db3ff5893fdd0f433e02fdff100441fb843aae585b","slot":null},{"block":null,"method":"eth_call","params":["0xE0c4ceb92d08CA985bB70fe0a22fEb121A9854A8","getPool","0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","100"],"raw_result":"0xe75b5128ee450dd7c30f9a24d581418047ba017f","result_hash":"9918e933bcd3872fe7db3d91c139aa3f81f012eeee0ee4bb9735b4866ea83ebf","slot":null},{"block":null,"method":"eth_call","params":["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","symbol()"],"raw_result":"Some(\"ASML\")","result_hash":"921a8037ea96a7ac503b4111856d3f637cf81cbd7f849320d5d0ec167e8e0807","slot":null},{"block":null,"method":"eth_call","params":["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","balanceOf","0xe75b5128EE450DD7C30F9a24D581418047ba017F"],"raw_result":"Some(\"6734918630940576496\")","result_hash":"252cb67873a0f9294adf534f66c309304b97e44f68339182a0b92937b22640c6","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","0xe75b5128EE450DD7C30F9a24D581418047ba017F"],"raw_result":"Some(\"5695200750\")","result_hash":"306ef219df48c0e60b35e47d9977c3df80af7d2b9aa38c43d4e67b2a36ba1600","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(\"677482546650717\")","result_hash":"f8031cc04a9018b1905be3214bebfa52a5e25d11798e6a55d757ddffa6912f6e","slot":null},{"block":null,"method":"eth_call","params":["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","symbol()"],"raw_result":"Some(\"ASML\")","result_hash":"921a8037ea96a7ac503b4111856d3f637cf81cbd7f849320d5d0ec167e8e0807","slot":null},{"block":null,"method":"eth_call","params":["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","name()"],"raw_result":"Some(\"ASML Holding NV • Robinhood Token\")","result_hash":"b2159f95e383a27028990ac3c94a124b0f25a970c3438cdadfa46ce7019f076c","slot":null},{"block":null,"method":"eth_call","params":["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","totalSupply()"],"raw_result":"Some(\"90965373160000000000\")","result_hash":"9b96476bcdb4b4159c7251ac12acf99b04a0362fb0410265e863696da05e567b","slot":null},{"block":null,"method":"eth_call","params":["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","uiMultiplier()"],"raw_result":"1000101323251417769","result_hash":"23149dbee863d5b5a19ca7bb986da982f323eba41810a98ab204de9eb6105729","slot":null},{"block":null,"method":"eth_getCode","params":["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-25T04:49:54Z","name":"ASML Holding NV","official_deployments":[{"address":"0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"ASML"},"registry_hash":"edff3d6ef7a8cbb41073463afae75fef28f302c58516722c796f8657f0ce0d3c","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xe75b5128EE450DD7C30F9a24D581418047ba017F","ticker":"ASML","verdict":{"Verified":{"issuer":"Robinhood","ticker":"ASML"}},"version":1}- Signature
rj4gt+945EtUgpqBOxPcJJRAaAOPBgsrsEkceLDkwcg53MOLxg+qF+vhmMarsxA4mJgeltIoZuyULBiHY/ZRCg==- API call
GET /api/attest/78d28ca00360dbe17ce96e4d1244d42eb385c042a583f00efc64199f78aecd35
- Fetch the public key and attestation JSON, then verify the signature with the published key.
- Canonicalize the payload with sorted object keys and no whitespace, then verify its SHA-256 attestation id.
- Run the API call above and compare the returned payload, serial, signer, and signature with this certificate.
- Attestation id
-
78d28ca00360dbe17ce96e4d1244d42eb385c042a583f00efc64199f78aecd35 - Subject
0xe75b5128EE450DD7C30F9a24D581418047ba017F- Checked at
- Expires at
- Signer
GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn- Registry hash
edff3d6ef7a8cbb41073463afae75fef28f302c58516722c796f8657f0ce0d3c- Signature
rj4gt+945EtUgpqBOxPcJJRAaAOPBgsrsEkceLDkwcg53MOLxg+qF+vhmMarsxA4mJgeltIoZuyULBiHY/ZRCg==- Block / slot
- 97338416 / unknown
Every read
eth_blockNumber · 7d84706c1674
- Parameters
[]- Result hash
7d84706c16743b6efeb6d484f5a055c5337e9ff7001cb66292ee90580b89cf63- Block / slot
- 97338416 / unknown
eth_call · 2692a02efa07
- Parameters
["0xe75b5128EE450DD7C30F9a24D581418047ba017F","token0()"]- Result hash
2692a02efa07e495ab3f4ce7b5371d710b0049591e7d8f1882fc98d8da8c5183- Raw result
"0x47f93d52cbec7c6d2cfc080e154002370a60daea"- Block / slot
- unknown / unknown
eth_call · 742eb919f060
- Parameters
["0xe75b5128EE450DD7C30F9a24D581418047ba017F","token1()"]- Result hash
742eb919f060d78d6f55d9d90c592b8d91ea7358553fc7e37cb579cf21192137- Raw result
"0x5fc5360d0400a0fd4f2af552add042d716f1d168"- Block / slot
- unknown / unknown
eth_call · 076de6e730df
- Parameters
["0xe75b5128EE450DD7C30F9a24D581418047ba017F","getReserves()"]- Result hash
076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869- Raw result
"false"- Block / slot
- unknown / unknown
eth_call · 18d10c7d2b4b
- Parameters
["0xe75b5128EE450DD7C30F9a24D581418047ba017F","slot0()"]- Result hash
18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee- Raw result
"true"- Block / slot
- unknown / unknown
eth_call · 3acd97ac8689
- Parameters
["0xe75b5128EE450DD7C30F9a24D581418047ba017F","factory()"]- Result hash
3acd97ac868973fcda20afc787b251dff09968890029c0107e8fa1018dc5cca8- Raw result
"0xe0c4ceb92d08ca985bb70fe0a22feb121a9854a8"- Block / slot
- unknown / unknown
eth_call · d77ccb69e3f9
- Parameters
["0xe75b5128EE450DD7C30F9a24D581418047ba017F","tickSpacing()"]- Result hash
d77ccb69e3f915ed75b4a2db3ff5893fdd0f433e02fdff100441fb843aae585b- Raw result
"100"- Block / slot
- unknown / unknown
eth_call · 9918e933bcd3
- Parameters
["0xE0c4ceb92d08CA985bB70fe0a22fEb121A9854A8","getPool","0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","100"]- Result hash
9918e933bcd3872fe7db3d91c139aa3f81f012eeee0ee4bb9735b4866ea83ebf- Raw result
"0xe75b5128ee450dd7c30f9a24d581418047ba017f"- Block / slot
- unknown / unknown
eth_call · 921a8037ea96
- Parameters
["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","symbol()"]- Result hash
921a8037ea96a7ac503b4111856d3f637cf81cbd7f849320d5d0ec167e8e0807- Raw result
"Some(\"ASML\")"- Block / slot
- unknown / unknown
eth_call · c14f173ff30d
- Parameters
["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","decimals()"]- Result hash
c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764- Raw result
"Some(18)"- Block / slot
- unknown / unknown
eth_call · 252cb67873a0
- Parameters
["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","balanceOf","0xe75b5128EE450DD7C30F9a24D581418047ba017F"]- Result hash
252cb67873a0f9294adf534f66c309304b97e44f68339182a0b92937b22640c6- Raw result
"Some(\"6734918630940576496\")"- Block / slot
- unknown / unknown
eth_call · 5cbfd9547b12
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","symbol()"]- Result hash
5cbfd9547b12ffd28d96e5f55c97290c4f230a8d7ad7bbe91dc15f2e61c1a3c5- Raw result
"Some(\"USDG\")"- Block / slot
- unknown / unknown
eth_call · c68fe6989b18
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","decimals()"]- Result hash
c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a- Raw result
"Some(6)"- Block / slot
- unknown / unknown
eth_call · 306ef219df48
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balanceOf","0xe75b5128EE450DD7C30F9a24D581418047ba017F"]- Result hash
306ef219df48c0e60b35e47d9977c3df80af7d2b9aa38c43d4e67b2a36ba1600- Raw result
"Some(\"5695200750\")"- Block / slot
- unknown / unknown
eth_call · 5cbfd9547b12
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","symbol()"]- Result hash
5cbfd9547b12ffd28d96e5f55c97290c4f230a8d7ad7bbe91dc15f2e61c1a3c5- Raw result
"Some(\"USDG\")"- Block / slot
- unknown / unknown
eth_call · e34c795a5a7d
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","name()"]- Result hash
e34c795a5a7df6a2269bde7247321204357731d7742ef5974b04eb6899db8b11- Raw result
"Some(\"Global Dollar\")"- Block / slot
- unknown / unknown
eth_call · c68fe6989b18
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","decimals()"]- Result hash
c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a- Raw result
"Some(6)"- Block / slot
- unknown / unknown
eth_call · f8031cc04a90
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","totalSupply()"]- Result hash
f8031cc04a9018b1905be3214bebfa52a5e25d11798e6a55d757ddffa6912f6e- Raw result
"Some(\"677482546650717\")"- Block / slot
- unknown / unknown
eth_call · 921a8037ea96
- Parameters
["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","symbol()"]- Result hash
921a8037ea96a7ac503b4111856d3f637cf81cbd7f849320d5d0ec167e8e0807- Raw result
"Some(\"ASML\")"- Block / slot
- unknown / unknown
eth_call · b2159f95e383
- Parameters
["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","name()"]- Result hash
b2159f95e383a27028990ac3c94a124b0f25a970c3438cdadfa46ce7019f076c- Raw result
"Some(\"ASML Holding NV • Robinhood Token\")"- Block / slot
- unknown / unknown
eth_call · c14f173ff30d
- Parameters
["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","decimals()"]- Result hash
c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764- Raw result
"Some(18)"- Block / slot
- unknown / unknown
eth_call · 9b96476bcdb4
- Parameters
["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","totalSupply()"]- Result hash
9b96476bcdb4b4159c7251ac12acf99b04a0362fb0410265e863696da05e567b- Raw result
"Some(\"90965373160000000000\")"- Block / slot
- unknown / unknown
eth_call · 23149dbee863
- Parameters
["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","uiMultiplier()"]- Result hash
23149dbee863d5b5a19ca7bb986da982f323eba41810a98ab204de9eb6105729- Raw result
"1000101323251417769"- Block / slot
- unknown / unknown
eth_getCode · e023f4a2e146
- Parameters
["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","latest"]- Result hash
e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25- Block / slot
- unknown / unknown
eth_getCode · e023f4a2e146
- Parameters
["0x47F93d52cBeC7C6D2CfC080e154002370a60dAEA","latest"]- Result hash
e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25- Block / slot
- unknown / unknown