QED
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QED certificate

QED record d67f881d1adb from . View the live pool page.

Verified · Ondo OXY

Does OXYon / USDC match its issuer's published contract?

The pool's quote contract matches Ondo's registry entry for OXY.

Verified means the observed quote-token contract matches an issuer-published registry entry on Ethereum. Only the quote-side contract is checked.

This does not prove backing, custody, reserves, price, safety, solvency, or endorsement.

Signature valid · contract match

Ethereum Uniswap v4
Subject
OXYon / USDC · Ethereum
Pool address
0x934cc6ba936a33dd6df0fda94857c342a94645301ec6ef0406c453e1ce933866
Issuer match
Ondo · OXY · View OXY contracts
Checked
Valid until
Serial
d67f881d1adb
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.

0.30% 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":26257258,"chain":"ethereum","checked_at":"2026-10-23T18:56:20Z","dev":false,"expires_at":"2026-10-24T18:56:20Z","issuer":"Ondo","pool":{"base":{"address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","balance":"133071727","decimals":6,"symbol":"USDC"},"chain":"ethereum","dex":"uniswap-v4","pool":"0x934cc6ba936a33dd6df0fda94857c342a94645301ec6ef0406c453e1ce933866","quote":{"address":"0xeedC48205852E9D83Ea5cA92fa8656597788601f","balance":"2025135565804640642","decimals":18,"symbol":"OXYon"}},"quote_share_of_supply":0.0030475272395717942,"reads":[{"block":null,"method":"eth_call","params":["0xbd216513d74c8cf14cf4747e6aaa6420ff64ee9e","poolKeys","0x934cc6ba936a33dd6df0fda94857c342a94645301ec6ef0406"],"raw_result":"Object {\"currency0\": String(\"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48\"), \"currency1\": String(\"0xeedc48205852e9d83ea5ca92fa8656597788601f\"), \"fee\": String(\"750000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"15000\")}","result_hash":"ec12ce5f3a495e47de0b039e88d697d8b86da1cd54141118444604e81930b2a5","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getSlot0","0x934cc6ba936a33dd6df0fda94857c342a94645301ec6ef0406c453e1ce933866"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getLiquidity","0x934cc6ba936a33dd6df0fda94857c342a94645301ec6ef0406c453e1ce933866"],"raw_result":"16416098449057","result_hash":"89bf654705e05c8bfbb579d3488475ae5059f1baee70dd5cddbbddbc46ed26f0","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","symbol()"],"raw_result":"Some(\"USDC\")","result_hash":"a3c9e246b0832b52e41efce041d8614251f5e288cdd4b192e85bfd3dfcb748ff","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","slot":null},{"block":null,"method":"eth_call","params":["0xeedC48205852E9D83Ea5cA92fa8656597788601f","symbol()"],"raw_result":"Some(\"OXYon\")","result_hash":"2f8f100235261e8be154effc2847564ee1bbbef25bc7bc4827f1d72dc392d7b5","slot":null},{"block":null,"method":"eth_call","params":["0xeedC48205852E9D83Ea5cA92fa8656597788601f","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":26257258,"method":"eth_blockNumber","params":[],"result_hash":"88b8277fe4a7d32be7770b7d3953658073b182546fc6531cea0a9f25a15c4e66","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","symbol()"],"raw_result":"Some(\"USDC\")","result_hash":"a3c9e246b0832b52e41efce041d8614251f5e288cdd4b192e85bfd3dfcb748ff","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","name()"],"raw_result":"Some(\"USD Coin\")","result_hash":"fe94af15dc887a2c9df1fb0d6d276e6c586ca9d430ffeac0d05e4baee0637fd1","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","totalSupply()"],"raw_result":"Some(\"47988979673018088\")","result_hash":"2d4d4c192b4d612b48fbde7a2f12a8b47ad5b2a2d39e3463953b7d809257ff50","slot":null},{"block":null,"method":"eth_call","params":["0xeedC48205852E9D83Ea5cA92fa8656597788601f","symbol()"],"raw_result":"Some(\"OXYon\")","result_hash":"2f8f100235261e8be154effc2847564ee1bbbef25bc7bc4827f1d72dc392d7b5","slot":null},{"block":null,"method":"eth_call","params":["0xeedC48205852E9D83Ea5cA92fa8656597788601f","name()"],"raw_result":"Some(\"Occidental Petroleum (Ondo Tokenized)\")","result_hash":"d77e156ed23cf3b233d942054fdfdd1c78ddc38f355fb0cf22875f2257bee904","slot":null},{"block":null,"method":"eth_call","params":["0xeedC48205852E9D83Ea5cA92fa8656597788601f","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xeedC48205852E9D83Ea5cA92fa8656597788601f","totalSupply()"],"raw_result":"Some(\"664517625801169541252\")","result_hash":"983fcb36bd0102fa23b0fe907f1416f20c51da0d5b55073cdc15d98065693bae","slot":null},{"block":null,"method":"eth_getCode","params":["0xeedC48205852E9D83Ea5cA92fa8656597788601f","latest"],"result_hash":"8538a8190a64db88a5e0ec4c95f0129f9eecd6f3a3aacb869262b82d01d123ec","slot":null},{"block":null,"method":"eth_getCode","params":["0xeedC48205852E9D83Ea5cA92fa8656597788601f","latest"],"result_hash":"8538a8190a64db88a5e0ec4c95f0129f9eecd6f3a3aacb869262b82d01d123ec","slot":null}],"registry_entry":{"chain":"ethereum","contract":"0xeedC48205852E9D83Ea5cA92fa8656597788601f","decimals":null,"issuer":"Ondo","last_checked":"2026-10-22T20:11:46Z","name":"Occidental Petroleum (Ondo Tokenized)","official_deployments":[{"address":"0xeedC48205852E9D83Ea5cA92fa8656597788601f","network":"Ethereum"},{"address":"0x01b5a4aC600bE98448DbEFBB78BcDF38262552cc","network":"BNB Chain"},{"address":"1GNFMryQ6c9ZpMhgNimmsbtgYM21qnBJgRAFoNiondo","network":"Solana"}],"source":"https://docs.ondo.finance/addresses.md","source_url":"https://www.dropbox.com/scl/fi/qjfxyg748mx0dwi6up86d/EXTERNAL-Ondo-GM-Tokens-Ondo-GM-Tokens.csv?rlkey=n3no1w78wrah3umsl0nr9s77i&e=2&st=spdit2q1&dl=1","ticker":"OXY"},"registry_hash":"d3aaa1183f4120326f803d9fb1ab46c445a10027d23def1a059f9fee0befc5c8","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x934cc6ba936a33dd6df0fda94857c342a94645301ec6ef0406c453e1ce933866","ticker":"OXY","verdict":{"Verified":{"issuer":"Ondo","ticker":"OXY"}},"version":1}
Signature
mjhth1BfRRwZEdnxqTATk6IzE0sVCD4F7acRpHo/i/8DMTu7+AW9m0ERUPQHMnuyJ99qTEQPtXscwL8blgZZAg==
API call
GET /api/attest/d67f881d1adbc9b32112dfba1ff5c400bf036c3cdcd95692dee3b6679f9cd627
  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.