spArxx.io | Zero-Knowledge Blockchain Timestamping
Prove you made it first. Timestamp your creative work on the blockchain via Claude or any MCP-enabled AI agent.
Prove you made it first. Timestamp your creative work on the blockchain via Claude or any MCP-enabled AI agent.
AI platform support
Listing status and connection method are tracked independently per platform.
| Platform | Status | Method | Read | Write | Search | Publish | Verified |
|---|---|---|---|---|---|---|---|
| ChatGPT | No record — not known to be available | ||||||
| Claude | Listed in public directory (observed) | Not yet verified | ? | ? | ? | ? | Oct 31, 2026 |
| Gemini | |||||||
| Consumer | No record — not known to be available | ||||||
| Enterprise Business | No record — not known to be available | ||||||
| Enterprise Standard/Plus | No record — not known to be available | ||||||
| Copilot | |||||||
| Microsoft 365 Copilot | No record — not known to be available | ||||||
| Copilot Studio / Power Platform | No record — not known to be available | ||||||
| Perplexity | No record — not known to be available | ||||||
| Le Chat | No record — not known to be available | ||||||
| Muse | No record — not known to be available | ||||||
| Instinct | No record — not known to be available | ||||||
| Grok | No record — not known to be available | ||||||
| Google Workspace Marketplace | No record — not known to be available | ||||||
| Google Search AI Mode | No record — not known to be available | ||||||
| Poe | No record — not known to be available | ||||||
AI visibility
Measurement methodology| Platform / edition | Test status |
|---|---|
| ChatGPT | Not tested |
| Claude | Not tested |
| Gemini | |
| Consumer | Not tested |
| Enterprise Business | Not tested |
| Enterprise Standard/Plus | Not tested |
| Copilot | |
| Microsoft 365 Copilot | Not tested |
| Copilot Studio / Power Platform | Not tested |
| Perplexity | Not tested |
| Le Chat | Not tested |
| Muse | Not tested |
| Instinct | Not tested |
| Grok | Not tested |
| Google Workspace Marketplace | Not tested |
| Google Search AI Mode | Not tested |
| Poe | Not tested |
Setup & sources
spArxx.io | Zero-Knowledge Blockchain Timestamping on Claude
Listed in public directory (observed)Not yet verified
Claude
- Official listing
- spArxx.io | Zero-Knowledge Blockchain Timestamping
- Directory description
- Prove you made it first. Timestamp your creative work on the blockchain via Claude or any MCP-enabled AI agent.
- Directory categories
- Creative · Developer tools · Legal · Media & entertainment · Productivity
- Extension type
- Web
- Anthropic verified
- Verified by Anthropic in the directory
- Checked
- Oct 31, 2026
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