3.1 Folder Structure Standard
STProof_FDC_20260420_XXX/
├── 00_Raw/ # Phone exports
├── 01_Public/ # Upload to IPFS
├── 02_OTS/ # .ots files
└── 03_Private/ # Local only, not uploaded
3.2 File Naming Standard
| Type |
Format |
Example |
| Stamp release |
STProof_FDC_YYYYMMDD_001.png |
|
| Post office |
STProof_FDC_YYYYMMDD_002.jpg |
|
| On-site record |
STProof_FDC_YYYYMMDD_HHMMSS.jpg |
|
| Video |
VID_STP_FDC_YYYYMMDD_HHMMSS.mp4 |
|
| GPS |
STP_FDC_YYYYMMDD_HHMMSS.gpx |
|
3.3 Redaction Rules
| Sensitive Content |
Method |
| Sender/recipient address |
Crop or mosaic |
| ID number, QR code |
Mosaic |
| Full tracking number |
Mosaic (keep last 4 digits) |
| Others’ portraits |
Mosaic or crop |
| Newspaper content |
Keep only header + date |
⚠️ Stamp images do not need redaction (but copyright must be declared)
⚠️ Postmark date must be clearly readable
3.4 Public vs Private Assets
| Category |
Definition |
Storage |
| Public Assets |
Redacted photos, videos, GPX, OTS |
Upload to IPFS |
| Private Assets |
Original sensitive images |
Local only |
3.5 Three-Layer Hash Manifest System
| Layer |
File |
Purpose |
Independence |
| L1 Public Common |
PUBLIC_COMMON.txt |
Shared public evidence |
1 copy shared |
| L2 Independent Public |
PUBLIC_XXX.txt |
Cover-specific public evidence |
Unique per cover |
| L3 Private |
PRIVATE_XXX.txt |
Cover-specific private file list |
Unique per cover |
Each .txt has a corresponding .ots file