The assessment is based on the strong corroboration of the start date and the plausibility of the claim period duration, despite the lack of direct confirmation for the latter.The first part of the statement, that the airdrop claim starts on "December 18," is strongly supported. A high-authority source, a news article from the crypto exchange Bitget, explicitly states this date. This is further corroborated by two lower-authority social media posts, which also mention the 18th. There is no conflicting evidence regarding the start date.The second part of the statement, the "30-day airdrop claim period," is not explicitly confirmed by any of the provided source summaries. However, it is also not contradicted. The most authoritative source is the official Vooi X account, which made an announcement regarding the token claim, but its summary is noted as incomplete. It is highly plausible that the full text of this official announcement contains the detail about the 30-day duration, as a specific claim window is standard information for such events. The absence of this detail in secondary sources like the Bitget article does not negate its potential truthfulness.Given that the most critical detail (the start date) is confirmed by a high-authority source and the second detail (the duration) is unconfirmed but plausible and uncontradicted, the overall statement is highly likely to be true.