Coverage, milestones and the facts about Monop Content and sebbi.pro. Every milestone below links to the live thing it describes, so you can check each one yourself.
Every agent run and tool call a business already traces gets a sealed receipt, with the link written onto the span. Python and JavaScript, tested against the real OpenTelemetry SDKs.
pip install sebbi / npm install sebbi. Open source, no dependencies. Python releases are published from the public repository with PyPI Trusted Publishing and a signed attestation naming the exact commit.
A still-valid permission is refused at the moment of action when a fact it depends on changes, and the refusal is sealed as evidence.
Every block dual-signed with ML-DSA-87 and Ed448, with algorithm changes under four-eyes control.
draft-dobson-ai-decision-receipt-00: a standard HTTP header that carries a verifiable receipt for an AI decision.
Startup feature on sebbi.pro / AILeash, and a place on the AI Business experts register.
Any AI assistant that speaks MCP connects to sebbi.pro in one step: Claude, ChatGPT, Cursor, VS Code, Gemini and more.
| Company | Monop Content, United Kingdom |
| Product | sebbi.pro (AILeash): the proof layer for AI |
| What it does | Scores every AI decision in under 30 ms (ALLOW, CHALLENGE or BLOCK), seals it into a tamper-evident chain anchored to Bitcoin, and lets anyone check it without trusting the operator |
| Compliance checks | 755, across the EU AI Act, GDPR, DORA, ISO 42001, NIST AI RMF, Online Safety Act, SOC 2, PCI DSS, HIPAA and more |
| Developers | pip install sebbi, npm install sebbi, OpenTelemetry, MCP, CrewAI, LangChain, Vercel AI SDK, OpenAI Agents |
| Standards | IETF Internet-Draft draft-dobson-ai-decision-receipt; open verification, free forever |
| Pricing | 7 days free, then 50p per device per month. Checking any proof is always free |
| Leadership | Justin Dobson, Founder & Lead Systems Architect |
Interviews, briefings, product demonstrations and comment on AI regulation, AI evidence and AI liability.