QED
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QED certificate

QED record 193d6435359c from . View the live pool page.

Verified · Robinhood SMH

Does SMH / Unknown match its issuer's published contract?

The pool's quote contract matches Robinhood's registry entry for SMH.

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

Robinhood Chain Uniswap v4
Subject
SMH / Unknown · Robinhood Chain
Pool address
0xd4c09b469af5c558fc87d242967efa1f2dcb7e5d2e7bcc5c6a7228e9fe2c7665
Issuer match
Robinhood · SMH · View SMH contracts
Checked
Valid until
Serial
193d6435359c
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.

0.50% Checked

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":99253149,"chain":"robinhood","checked_at":"2026-10-27T12:46:08Z","dev":false,"expires_at":"2026-10-28T12:46:08Z","issuer":"Robinhood","pool":{"base":{"address":"0x0000000000000000000000000000000000000000","balance":"231399635783932775","decimals":null,"symbol":null},"chain":"robinhood","dex":"uniswap-v4","pool":"0xd4c09b469af5c558fc87d242967efa1f2dcb7e5d2e7bcc5c6a7228e9fe2c7665","quote":{"address":"0x072f979c2CAc8e1391B0162a87Fee094bF8744a0","balance":"1036568903232724090","decimals":18,"symbol":"SMH"}},"quote_share_of_supply":0.004950256232074,"reads":[{"block":null,"method":"eth_call","params":["0x58daec3116aae6d93017baaea7749052e8a04fa7","poolKeys","0xd4c09b469af5c558fc87d242967efa1f2dcb7e5d2e7bcc5c6a"],"raw_result":"Object {\"currency0\": String(\"0x0000000000000000000000000000000000000000\"), \"currency1\": String(\"0x072f979c2cac8e1391b0162a87fee094bf8744a0\"), \"fee\": String(\"50000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"500\")}","result_hash":"85fd543ffd3bd239b83ba79a84171720317c9ccd7c8c30946137178a433f2050","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getSlot0","0xd4c09b469af5c558fc87d242967efa1f2dcb7e5d2e7bcc5c6a7228e9fe2c7665"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getLiquidity","0xd4c09b469af5c558fc87d242967efa1f2dcb7e5d2e7bcc5c6a7228e9fe2c7665"],"raw_result":"489756742345629186","result_hash":"f4b8e87f6ae3c88645cabef2390faee857eb8ffc03fbec311bad5b1edb3f93ea","slot":null},{"block":null,"method":"eth_call","params":["0x0000000000000000000000000000000000000000","symbol()"],"raw_result":"None","result_hash":"f2953d2931e36d0c55640f51865f8394ebe52194765d04e521017232558f871c","slot":null},{"block":null,"method":"eth_call","params":["0x0000000000000000000000000000000000000000","decimals()"],"raw_result":"None","result_hash":"f2953d2931e36d0c55640f51865f8394ebe52194765d04e521017232558f871c","slot":null},{"block":null,"method":"eth_call","params":["0x072f979c2CAc8e1391B0162a87Fee094bF8744a0","symbol()"],"raw_result":"Some(\"SMH\")","result_hash":"8ac993b02e8e15e2dddb901cb80e865acefc90e6eb83ca0252033eadd804206b","slot":null},{"block":null,"method":"eth_call","params":["0x072f979c2CAc8e1391B0162a87Fee094bF8744a0","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":99253149,"method":"eth_blockNumber","params":[],"result_hash":"b8d6594c30b63ba96546815b3c04ed14356ff3a52d17237f00d86624c0218a4e","slot":null},{"block":null,"method":"eth_call","params":["0x0000000000000000000000000000000000000000","symbol()"],"raw_result":"None","result_hash":"f2953d2931e36d0c55640f51865f8394ebe52194765d04e521017232558f871c","slot":null},{"block":null,"method":"eth_call","params":["0x0000000000000000000000000000000000000000","name()"],"raw_result":"None","result_hash":"f2953d2931e36d0c55640f51865f8394ebe52194765d04e521017232558f871c","slot":null},{"block":null,"method":"eth_call","params":["0x0000000000000000000000000000000000000000","decimals()"],"raw_result":"None","result_hash":"f2953d2931e36d0c55640f51865f8394ebe52194765d04e521017232558f871c","slot":null},{"block":null,"method":"eth_call","params":["0x0000000000000000000000000000000000000000","totalSupply()"],"raw_result":"None","result_hash":"f2953d2931e36d0c55640f51865f8394ebe52194765d04e521017232558f871c","slot":null},{"block":null,"method":"eth_call","params":["0x072f979c2CAc8e1391B0162a87Fee094bF8744a0","symbol()"],"raw_result":"Some(\"SMH\")","result_hash":"8ac993b02e8e15e2dddb901cb80e865acefc90e6eb83ca0252033eadd804206b","slot":null},{"block":null,"method":"eth_call","params":["0x072f979c2CAc8e1391B0162a87Fee094bF8744a0","name()"],"raw_result":"Some(\"VanEck Semiconductor ETF • Robinhood Token\")","result_hash":"f2b8ed5d03f39bda21fcb12ed6b9c650e8da7babb99a75263b3a20073e6cae26","slot":null},{"block":null,"method":"eth_call","params":["0x072f979c2CAc8e1391B0162a87Fee094bF8744a0","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x072f979c2CAc8e1391B0162a87Fee094bF8744a0","totalSupply()"],"raw_result":"Some(\"209397020000000000000\")","result_hash":"18915e5433bea35b16e602f294dcc671f0c7e267182176e2b365e3586c89508a","slot":null},{"block":null,"method":"eth_call","params":["0x072f979c2CAc8e1391B0162a87Fee094bF8744a0","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_getCode","params":["0x072f979c2CAc8e1391B0162a87Fee094bF8744a0","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x072f979c2CAc8e1391B0162a87Fee094bF8744a0","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0x072f979c2CAc8e1391B0162a87Fee094bF8744a0","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-27T12:07:31Z","name":"VanEck Semiconductor ETF","official_deployments":[{"address":"0x072f979c2CAc8e1391B0162a87Fee094bF8744a0","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"SMH"},"registry_hash":"0464daa638c9a665cc03a04ffc746e2e7a380b649c9aadfbdc397290a3a9513b","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xd4c09b469af5c558fc87d242967efa1f2dcb7e5d2e7bcc5c6a7228e9fe2c7665","ticker":"SMH","verdict":{"Verified":{"issuer":"Robinhood","ticker":"SMH"}},"version":1}
Signature
Me2xU3eZP6Ikq7k1MowCAXgyjRWn+wYFxAQIIS88bb9SmlLfAQEbEqzMAGPmJrHEsJa32gNQn9aqujavh5N4Cw==
API call
GET /api/attest/193d6435359caba33026d75d12dd9153327ba07828923daafcff8771a404ab48
  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.