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Juq-516.mp4 -

ffmpeg -i JUQ-516.mp4 -vf "thumbnail,scale=320:-1,tile=5x5" contact_sheet.jpg

# 5. Audio transcript (Whisper) whisper "$VIDEO" --model base --output_dir . --output_format txt

| Section | What to Include | |---------|-----------------| | | One‑paragraph overview of the video’s provenance, key findings, and conclusions. | | Methodology | List of tools (versions), commands, and any VM or sandbox configurations. | | Metadata Summary | Tables of container, video, and audio metadata (from ffprobe , exiftool ). | | Content Overview | Timeline of notable events, with timestamps and short descriptions. | | Manipulation Analysis | Evidence of edits (hash jumps, metadata anomalies, visual artifacts). | | Contextual Evidence | Links to external references, geolocation maps, reverse‑image hits. | | Appendices | Full hash logs, raw ffprobe JSON, sample frames, spectrogram images. | | Chain of Custody | Dates/times of each handling step, who performed them, and hash verification after each step. |

The file showed up on Mara’s desktop with no sender, no subject line—only the stubborn, square icon and the name: JUQ-516.mp4. She’d found worse mysteries in the archive room at the museum, but none that refused to open.

# 4️⃣ Extract the audio as MP3 ffmpeg -i JUQ-516.mp4 -vn -c:a libmp3lame -q:a 2 JUQ-516.mp3

Juq-516.mp4 -

ffmpeg -i JUQ-516.mp4 -vf "thumbnail,scale=320:-1,tile=5x5" contact_sheet.jpg

# 5. Audio transcript (Whisper) whisper "$VIDEO" --model base --output_dir . --output_format txt JUQ-516.mp4

| Section | What to Include | |---------|-----------------| | | One‑paragraph overview of the video’s provenance, key findings, and conclusions. | | Methodology | List of tools (versions), commands, and any VM or sandbox configurations. | | Metadata Summary | Tables of container, video, and audio metadata (from ffprobe , exiftool ). | | Content Overview | Timeline of notable events, with timestamps and short descriptions. | | Manipulation Analysis | Evidence of edits (hash jumps, metadata anomalies, visual artifacts). | | Contextual Evidence | Links to external references, geolocation maps, reverse‑image hits. | | Appendices | Full hash logs, raw ffprobe JSON, sample frames, spectrogram images. | | Chain of Custody | Dates/times of each handling step, who performed them, and hash verification after each step. | ffmpeg -i JUQ-516

The file showed up on Mara’s desktop with no sender, no subject line—only the stubborn, square icon and the name: JUQ-516.mp4. She’d found worse mysteries in the archive room at the museum, but none that refused to open. | | Methodology | List of tools (versions),

# 4️⃣ Extract the audio as MP3 ffmpeg -i JUQ-516.mp4 -vn -c:a libmp3lame -q:a 2 JUQ-516.mp3