QED
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QED certificate

QED record d0bf0b2ad59f from . View the live pool page.

Verified · Ondo ISRG

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

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

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
ISRGon / USDC · Ethereum
Pool address
0xa22933d9d1c425bd43123f14293b33285c288b4fd1b0f99c6e4d432dd37fa305
Issuer match
Ondo · ISRG · View ISRG contracts
Checked
Valid until
Serial
d0bf0b2ad59f
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.

0.24% 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":26225676,"chain":"ethereum","checked_at":"2026-10-19T09:18:23Z","dev":false,"expires_at":"2026-10-20T09:18:23Z","issuer":"Ondo","pool":{"base":{"address":"0x2691b13fca1E02322685b9554B5ae0F5F3f05C55","balance":"194854980297154587","decimals":18,"symbol":"ISRGon"},"chain":"ethereum","dex":"uniswap-v4","pool":"0xa22933d9d1c425bd43123f14293b33285c288b4fd1b0f99c6e4d432dd37fa305","quote":{"address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","balance":"106012579","decimals":6,"symbol":"USDC"}},"quote_share_of_supply":0.002416908033227279,"reads":[{"block":null,"method":"eth_call","params":["0xbd216513d74c8cf14cf4747e6aaa6420ff64ee9e","poolKeys","0xa22933d9d1c425bd43123f14293b33285c288b4fd1b0f99c6e"],"raw_result":"Object {\"currency0\": String(\"0x2691b13fca1e02322685b9554b5ae0f5f3f05c55\"), \"currency1\": String(\"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48\"), \"fee\": String(\"750000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"15000\")}","result_hash":"749c7d8dac111955eee43a1759ddff0fe684551b07367eea55b8773b57686ab2","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getSlot0","0xa22933d9d1c425bd43123f14293b33285c288b4fd1b0f99c6e4d432dd37fa305"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getLiquidity","0xa22933d9d1c425bd43123f14293b33285c288b4fd1b0f99c6e4d432dd37fa305"],"raw_result":"4545005947651","result_hash":"add5e47e366b6516a349f7cb8c389abaee0bc5ceb7df5db740d6e8e9c3f31d86","slot":null},{"block":null,"method":"eth_call","params":["0x2691b13fca1E02322685b9554B5ae0F5F3f05C55","symbol()"],"raw_result":"Some(\"ISRGon\")","result_hash":"d2b1e57d4a12ee39fd9b5cda7dc7acf6c45c86edb48180557dc82bf514edd48b","slot":null},{"block":null,"method":"eth_call","params":["0x2691b13fca1E02322685b9554B5ae0F5F3f05C55","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","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":26225676,"method":"eth_blockNumber","params":[],"result_hash":"0610414c7f952ada8ae3b9ab46fa656c4641aada429793b7d41aa47ab637a122","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(\"48158625324969724\")","result_hash":"0fb88aa2a24e05df27366d5dd87e39d467a5f770254b837d5b1e77e6568ae795","slot":null},{"block":null,"method":"eth_call","params":["0x2691b13fca1E02322685b9554B5ae0F5F3f05C55","symbol()"],"raw_result":"Some(\"ISRGon\")","result_hash":"d2b1e57d4a12ee39fd9b5cda7dc7acf6c45c86edb48180557dc82bf514edd48b","slot":null},{"block":null,"method":"eth_call","params":["0x2691b13fca1E02322685b9554B5ae0F5F3f05C55","name()"],"raw_result":"Some(\"Intuitive Surgical (Ondo Tokenized)\")","result_hash":"205253d2f0d4eefef64a6ec2fafd2b062b90e566c122774d21f77b6134214c6c","slot":null},{"block":null,"method":"eth_call","params":["0x2691b13fca1E02322685b9554B5ae0F5F3f05C55","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x2691b13fca1E02322685b9554B5ae0F5F3f05C55","totalSupply()"],"raw_result":"Some(\"80621594871761096346\")","result_hash":"ea13e56eca3fb4ca7f3c35615bf0066a2e45abde5e78cd3d442ddac13be55935","slot":null},{"block":null,"method":"eth_getCode","params":["0x2691b13fca1E02322685b9554B5ae0F5F3f05C55","latest"],"result_hash":"8538a8190a64db88a5e0ec4c95f0129f9eecd6f3a3aacb869262b82d01d123ec","slot":null},{"block":null,"method":"eth_getCode","params":["0x2691b13fca1E02322685b9554B5ae0F5F3f05C55","latest"],"result_hash":"8538a8190a64db88a5e0ec4c95f0129f9eecd6f3a3aacb869262b82d01d123ec","slot":null}],"registry_entry":{"chain":"ethereum","contract":"0x2691b13fca1E02322685b9554B5ae0F5F3f05C55","decimals":null,"issuer":"Ondo","last_checked":"2026-10-18T20:40:22Z","name":"Intuitive Surgical (Ondo Tokenized)","official_deployments":[{"address":"0x2691b13fca1E02322685b9554B5ae0F5F3f05C55","network":"Ethereum"},{"address":"0x784584933C2192Caa062E90d8140D94768CE62d8","network":"BNB Chain"},{"address":"1MGRpPrkhEsCm2GCWD3rsvEU77xTTLAzfKXeFgFondo","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":"ISRG"},"registry_hash":"cae30e4647e421306c11bce2b38fdd359eeecbb2567d393bf8b2a8e3d38c56d5","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xa22933d9d1c425bd43123f14293b33285c288b4fd1b0f99c6e4d432dd37fa305","ticker":"ISRG","verdict":{"Verified":{"issuer":"Ondo","ticker":"ISRG"}},"version":1}
Signature
3EjC2iuYIe5OciE35xZMvcA2OhE9kcIYueBEXvZgPexwETA7To0KK5iWcmZ5ucTXLaJcvX2jRQYxRoc6DDaODQ==
API call
GET /api/attest/d0bf0b2ad59fb555146ea9f0b40190aaeeefe8d706f08fc3c4c42a6fb1823eca
  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.