ChatGPT Plugin

OmniSeal

Seal and verify files

Brand: PureCipher

Category: Security
Primary Subcategory: Content Authenticity & Cryptographic Proof

Integration details

Description

OmniSeal conceals one supported file inside another and creates a new tamper-evident output without overwriting either original. It can retrieve the hidden file using the same private seed, verify seal integrity, or generate a clean cover with the hidden payload removed. It supports PNG, PDF, DOCX, and XLSX files up to 6 MB each and 10 MB combined when sealing. Selected files are sent to PureCipher's hosted OmniSeal service for processing. OmniSeal does not summarize content, recover passwords, or provide general-purpose encryption.

Integration type: Plugin
Verification status: Not applicable
Platform: ChatGPT
Category: Security
Primary Subcategory: Content Authenticity & Cryptographic Proof
Secondary Subcategories: None listed
Brand: PureCipher
Access: No account required
First tracked: 2026-10-25
Tool count: 4
Market: US

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Primary Subcategory

Competing in ChatGPT Content Authenticity & Cryptographic Proof

View Category

Listed in alphabetical order

Primary Subcategory

1F916Coming soonGet notified

BynnComing soonGet notified

Diopter AIComing soonGet notified

OmniSealComing soonGet notified

OnChainDiligenceComing soonGet notified

Tools

4 tools agents can invoke

Use this when the user wants a new clean cover file with the concealed Omniseal payload removed. Xomniseal processes the file in this service and never overwrites the original.
remove_hidden_file
Use this when the user wants to extract the hidden file from an attached Omniseal sealed file using its private seed. Xomniseal processes the file in this service and does not modify the original.
retrieve_secret_file
Use this when the user wants to conceal one generated or attached secret file inside one generated or attached cover file. PNG, PDF, DOCX, and XLSX artifacts are supported, and the secret may be any supported file type. Xomniseal returns a new sealed file without overwriting either original.
seal_files
Use this when the user wants to check whether an attached Omniseal sealed file and its concealed content show signs of tampering. Xomniseal processes the file in this service and does not modify it.
verify_sealed_file

FAQs

OmniSeal ChatGPT Plugin FAQ

How the directory, categories and Discoverability Score work.

Read the methodology

How do I improve OmniSeal's ChatGPT Plugin discoverability?

The levers are the listing surface agents actually read: names, descriptions, keywords, tool metadata, and registry health. Which lever matters depends on where discovery breaks, which is what continuous measurement shows.

What are OmniSeal alternatives on ChatGPT?

As of 2026-10-28, OmniSeal competes with 1F916, Bynn, Diopter AI, OnChainDiligence, ProofX, SCVD x402 Verifier, TruthScan in ChatGPT Content Authenticity & Cryptographic Proof, ranked by public Discoverability Score.

Where is this profile measured?

This profile uses the geography attached to the latest public registry snapshot: US. Locale tags are intentionally omitted.