# downloads_all_pdfs.tar.gz — Analysis
# Date: 2026-09-09

## Issue

| Problem | Evidence |
|---------|----------|
| unexpected end of data | gzip: unexpected end of file |
| 7zip/WinRAR error | Archive corrupted |

## Analysis

| Check | Result |
|-------|--------|
| File exists | ✅ 18 GB |
| SHA256 | ✅ c7e8b64d... |
| gzip test | ❌ unexpected end of file |
| tar test | ❌ Unexpected EOF |

## Root Cause

**Archive is corrupted** — created with timeout during compression.

| Parameter | Value |
|-----------|-------|
| Original size | ~29 GB |
| Archive size | 18 GB |
| Compression | gzip |
| Status | **CORRUPTED** |

## Solution

**Re-create archive** — without timeout.

## Next Steps

1. **Delete corrupted archive** — 18 GB
2. **Re-create archive** — proper compression
3. **Verify** — gzip -t, tar tzf
4. **Download** — new archive