UpForge Registry Number · Digital Proof of Existence
This number is the permanent, globally unique identifier for GPTWATERMARKER in the UpForge Registry. It functions as a Digital Proof of Existence — analogous to an ISBN for books or an ISSN for publications.

GPT Watermarker is a specialized online tool designed to remove visible and hidden AI watermarks from digital content. The service offers specific tools for stripping multi-layered identifiers applied by major AI generators like Google's Gemini models.
Registry Prefix
UF
UpForge Registry Number
Year
2026
Year of registration
Country Code
CA
ISO 3166-1 country code
Serial Number
02101
Unique sequential ID
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Verified by UpForge
UF-2026-CA-02101
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About UFRN
The UpForge Registry Number is a permanent, globally unique identifier assigned on approval. It cannot be transferred or reassigned.
Format: UFRN-YYYY-CC-NNNNN
YYYY = Registration year
CC = Country code (ISO 3166-1)
NNNNN = Sequential registry number
Data License
CC BY 4.0 — Creative Commons AttributionThis registry record may be cited, reproduced, or incorporated into research with attribution to UpForge.