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QED certificate

QED record 3d58beabe4e7 from . View the live pool page.

Verified · Robinhood SPY

Does SPY / WETH match its issuer's published contract?

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

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 v3
Subject
SPY / WETH · Robinhood Chain
Pool address
0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e
Issuer match
Robinhood · SPY · View SPY contracts
Checked
Valid until
Serial
3d58beabe4e7
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.

2.59% 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":91997812,"chain":"robinhood","checked_at":"2026-10-18T18:54:56Z","dev":false,"expires_at":"2026-10-19T18:54:56Z","issuer":"Robinhood","pool":{"base":{"address":"0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","balance":"593836440638519389835","decimals":18,"symbol":"WETH"},"chain":"robinhood","dex":"uniswap-v3","pool":"0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","quote":{"address":"0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","balance":"705295722888391697565","decimals":18,"symbol":"SPY"}},"quote_share_of_supply":0.025943254995818513,"reads":[{"block":91997812,"method":"eth_blockNumber","params":[],"result_hash":"639885cd641ef3a2f9ced15b0538530a238322eef111eb61402e9eff08dab327","slot":null},{"block":null,"method":"eth_call","params":["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","token0()"],"raw_result":"0x0bd7d308f8e1639fab988df18a8011f41eacad73","result_hash":"de544c5c8fa36cc133d3195abda0458ac2fac1d8dc7a92dfa423a4c9aa1b415d","slot":null},{"block":null,"method":"eth_call","params":["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","token1()"],"raw_result":"0x117cc2133c37b721f49de2a7a74833232b3b4c0c","result_hash":"0bad12daf170a4396e80fc7cf0113478ee41f5efde1eee3745b8587273255e6f","slot":null},{"block":null,"method":"eth_call","params":["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","factory()"],"raw_result":"0x1f7d7550b1b028f7571e69a784071f0205fd2efa","result_hash":"bf7614e6e838b22e4363dfcb3022451641875235ca13e64f8d2d8c3334ff85f3","slot":null},{"block":null,"method":"eth_call","params":["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","fee()"],"raw_result":"500","result_hash":"5ac95f46dcda9e6a85f4d281cd691aea7b00846d8f8612d198d396136e9c5140","slot":null},{"block":null,"method":"eth_call","params":["0x1f7d7550B1b028f7571E69A784071F0205FD2EfA","getPool","0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","0x1f4"],"raw_result":"0xddcbba3666f578e3f09516f21ff85bfee859ab5e","result_hash":"bc995bd78c86db363a60d247dbaf9c78737554c89eced5192fe64b53c043532a","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","symbol()"],"raw_result":"Some(\"WETH\")","result_hash":"dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","balanceOf","0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e"],"raw_result":"Some(\"593836440638519389835\")","result_hash":"ba60ed2a55106df564e3b8eb39fd2a700c222d6ea3d7d545a96531d5eb6ee8c2","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","symbol()"],"raw_result":"Some(\"SPY\")","result_hash":"34d3f5561d0147a414433e6c15434a3cfed40c9603e695e4557af839e9d67e41","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","balanceOf","0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e"],"raw_result":"Some(\"705295722888391697565\")","result_hash":"361f622fad8aff191187177c91e747d01f1f591c9e6cc0728fb111dfe5b9d247","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","symbol()"],"raw_result":"Some(\"WETH\")","result_hash":"dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","name()"],"raw_result":"Some(\"WETH\")","result_hash":"dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","totalSupply()"],"raw_result":"Some(\"38823546808627929414235\")","result_hash":"fa4e6df35aa606cc3758442bcd52fba0050810bae28c5acf70999b9b512fc1fa","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","symbol()"],"raw_result":"Some(\"SPY\")","result_hash":"34d3f5561d0147a414433e6c15434a3cfed40c9603e695e4557af839e9d67e41","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","name()"],"raw_result":"Some(\"SPDR S&P 500 ETF Trust • Robinhood Token\")","result_hash":"8e872eb8019f8165d7591012f3d4fabe99c7ad3ac88c5827668a1278380a33a5","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","totalSupply()"],"raw_result":"Some(\"27186092223280000000000\")","result_hash":"e979f875c266e2f95d7f0216d26a1e6de93250ed8a34ebd26ebe35fdcfc983e5","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","uiMultiplier()"],"raw_result":"1001717991187472003","result_hash":"23f9fe5ef231fb76617034b1a2541e1a829a3a2b9ea57f99dded816d6ecf8bfe","slot":null},{"block":null,"method":"eth_getCode","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-18T18:54:09Z","name":"SPDR S&P 500 ETF Trust","official_deployments":[{"address":"0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"SPY"},"registry_hash":"e40a8f7ec2f1a2c1d6467a45e0976602299513549c0406d646df02a3ecb928c8","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","ticker":"SPY","verdict":{"Verified":{"issuer":"Robinhood","ticker":"SPY"}},"version":1}
Signature
yUt1ZB6bXzZK8jmP2BE6oed1sEnDEDplf+piw5/0HZ/CfGggaTo4L+UBesyGs19LWmh1vPFV3ghdO02/cu2iDw==
API call
GET /api/attest/3d58beabe4e7a47dd02b20bb42bb8683757446f129b34b52bb0b1c2d9ef3486d
  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.