ZEKASTRA / Synthetic case workshop
Missing USB
Reconstruct a fictional four-event timeline using sample mail, access, copy and session records. Every name, log and event is invented for learning.
TRAINING DATA ONLY — not actual evidence. Dates are October 9, 2026. Timestamps include UTC (Z) or an explicit +03:00 offset. Selected JSON files are read only in your browser.
01 / Examine
Download the case materials
SHA-256 of the exact sample TXT bytes (UTF-8 and final newline):
981f4557f0dd5f1a3821b826d2095f01c9ce65eecba391d93a387eda3503deeb02 / Reconstruct
Order the events from earliest to latest
Choose each record once. The explanation uses explicit offsets rather than guessing from the clock text.
03 / Explain and produce
Produce a verified training note
A correct timeline unlocks the chronological explanation. Review and edit it before using it elsewhere.
04 / Continue learning
What can the records establish?
Correctly ordering timestamps shows the sequence encoded in these synthetic records. It does not establish a real person's identity or an actual device action.
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