Tile data offset (from header): 3255

=== What's at offset 25 (relative to tile data) ===
Absolute file offset: 3280
First 100 bytes (hex): 060000005c72a8660000011549444154789cedc13101000000c2a0f54fed6b08a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
First 16 bytes: 06 00 00 00 5c 72 a8 66 00 00 01 15 49 44 41 54 

✗ This doesn't look like a PNG
  PNG should start with: 89 50 4e 47 0d 0a 1a 0a

=== What's at offset 0 (start of tile data) ===
First 100 bytes (hex): 89504e470d0a1a0a0000000d49484452000001000000010008060000005c72a8660000011549444154789cedc13101000000c2a0f54fed6b08a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000
First 16 bytes: 89 50 4e 47 0d 0a 1a 0a 00 00 00 0d 49 48 44 52 
✓ This looks like a PNG!

=== Compare with pmtiles CLI ===
Run: pmtiles tile raster.pmtiles 0 0 0 | hexdump -C | head