Compute the 24-hour time-weighted average OpenSea listing floor for Fidenza by Tyler Hobbs on Ethereum mainnet, returning integer wei. CoinGecko collection id fidenza-by-tyler-hobbs. Verify exact contract/project scope and OpenSea slug. Use historical OpenSea orders/listings and corroborate order status, cancellations and fulfillments with on-chain calls/events over the pinned window. A floor is the lowest valid public ask, not the last sale or mean sale. Follow pinned definitions. If historical order coverage is insufficient, report inability and do not submit a fabricated numeric answer.