Evidence · Contract
A Uniswap v4 hook contract whose address declares 6 callbacks, first read initialising a pool at block 84,471,743. HEY attributes it to ItemBase: the account that launched its token created it through a deterministic deployer.
- What it is
- Uniswap v4 hook
- Callbacks its address declares
- beforeInitialize, beforeAddLiquidity, beforeSwap, afterSwap, beforeSwapReturnDelta, afterSwapReturnDelta. What the PoolManager will call, not what the hook does.
- First pool HEY read
- Block 84,471,743
- Attributed to
- ItemBase: the account that launched its token created it through a deterministic deployer
- The deployment
- The follow-up deployment record
- The hook’s page
- Who built this hook, its pools and what HEY does not know
- Where HEY read it
- The Robinhood Chain explorer · View at the source ↗
- When it happened
- , dated by the source to the minute
- HEY first saw it
- (2d ago)These are two different clocks: when the work happened, as the source dates it, and when HEY first read it.
- How it is backed
- Publicly verified
- Counts toward building
- Yes. It is one of the records HEY’s activity status is built from.
- What it does not say
- A contract record says what the chain shows about a contract. It is not a safety check, and it does not say who runs the contract.
Cite this
Absolute dates in UTC and a link that does not move.
ItemBase: A Uniswap v4 hook contract whose address declares 6 callbacks, first read initialising a pool at block 84,471,743. HEY attributes it to ItemBase: the account that launched its token created it through a deterministic deployer.
Happened: 2026-10-09
Source: The Robinhood Chain explorer, https://robinhoodchain.blockscout.com/address/0x0a02a2bd29e36965aa9da4f499310a0bbd5b28cc
Recorded by HEY Research: 2026-10-09 (UTC); accessed 2026-10-11 (UTC)
Evidence v4hook:4663:0x0a02a2bd29e36965aa9da4f499310a0bbd5b28cc: https://heyresearch.xyz/evidence/v4hook:4663:0x0a02a2bd29e36965aa9da4f499310a0bbd5b28cc
Receipt: https://heyresearch.xyz/api/evidence/v4hook%3A4663%3A0x0a02a2bd29e36965aa9da4f499310a0bbd5b28ccFollow ItemBase to see the next change HEY records, with its evidence.
Evidence id v4hook:4663:0x0a02a2bd29e36965aa9da4f499310a0bbd5b28ccAs dataHow HEY works