{"id":"v4hook:4663:0x83d6fa59bef503112887b16277cf559fdc93e0c4","withdrawn":false,"project":{"slug":"urufu-labs-urufu-launchpad","name":"Urufu Launchpad","url":"https://heyresearch.xyz/project/urufu-labs-urufu-launchpad"},"domain":"contract","claimType":"uniswap_v4_hook","summary":"A Uniswap v4 hook contract whose address declares 4 callbacks, first read initialising a pool at block 34,836,251. HEY attributes it to Urufu Launchpad: HEY’s review confirmed it as the project’s; it is not proven on chain.","sourceType":"hey_review","sourceUrl":"https://robinhoodchain.blockscout.com/address/0x83d6fa59bef503112887b16277cf559fdc93e0c4","publishedAt":"2026-08-12T21:02:04.000Z","detectedAt":"2026-10-01T12:22:17.647Z","precision":"EXACT","verification":null,"recordedAt":"2026-11-04T14:09:47.139Z","metadata":{"chainId":4663,"address":"0x83d6fa59bef503112887b16277cf559fdc93e0c4","permissions":["beforeInitialize","beforeSwap","afterSwap","afterSwapReturnDelta"],"firstPoolId":"0x849bf6f9d08969e06c08b2810cd6809ca8e7cfd7e15675bcfc3ff42f8dd37e04","firstInitBlock":34836251,"firstInitTx":"0x4cbede0d71c6cf8e898a09fbebee21233edb687f590f1f6ed5bfccf6a2383b2a","attribution":"PROJECT_REVIEWED","attributionReason":"confirmed_by_review","basis":"review","creationRoute":"create2_deployer","creationTx":"0xa89dea94bc743a2227d7a934a6cc8896ffeb94980d7f934f68ef4c038cffc99d","creationBlock":34836229,"confirmedBy":"HEY’s review","confirmedAt":"2026-11-04T14:09:47.139Z","provenOnChain":false,"hooklist":{"name":"MultiHookHost","url":"https://github.com/Uniswap/hooklist/blob/d5bcc5c8d0ce8d177ef182aae4e8faca68e770ee/hooks/robinhood/0x83d6fa59bef503112887b16277cf559fdc93e0c4.json","commit":"d5bcc5c8d0ce8d177ef182aae4e8faca68e770ee","readAt":"2026-11-04T03:20:52.395Z","verifiedSource":true,"listedPermissions":["beforeInitialize","beforeSwap","afterSwap","afterSwapReturnDelta"],"properties":{"dynamicFee":false,"swapAccess":"temporal","upgradeable":false,"vanillaSwap":false,"requiresCustomSwapData":false}}},"disclaimer":"Public, source-backed activity HEY recorded. Still Building means counted ships during a market drawdown HEY itself tracked — it is not a prediction, not a ranking by price, and not investment advice. Few projects meet Still Building or Under the Radar at any time; both are strict by design, and list responses carry the counts."}