$ ctf42

The_Elephant_in_the_Archive

OSINT weight 19.48 No technique tags yet.
Difficulty Not rated yet

Flag format: 0xV01D{...}

Difficulty: Medium / Hard Expected solve time: 1–3 hours

In 1896, a building that barely looked like a building disappeared. One of its relatives still survives, while modern sources disagree about the numbers and dates behind its story.

Use evidence.png to identify the lost building, then recover these values in order:

The six-digit US patent number for the animal-shaped building idea. The exact one-word room label in the 1887 tourist guide—the room from which the elephant was fed. Preserve the printed spelling. The number of full working days required to construct it according to that 1887 guide. The public school number currently near the historical site, normalized as psNN. The fire date itself as YYYYMMDD, not the next day's newspaper date. Flag: 0xV01D{patent_room_days_school_yyyymmdd}. Public sources only; no accounts, payment, contact, or scanning is required.

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