Integration Proposal: Handshake as Observer Protocol Identity Verification Layer

Hi Handshake team,

I'm Boyd Cohen, co-creator of [Observer Protocol](https://observerprotocol.org) — a cryptographic identity and reputation layer for AI agents.

We've built infrastructure for agents to register with cryptographic identity (public key hash) and accumulate verifiable reputation across payments and attestations. Our first integration partner is Corpo (corpo.llc) for legal entity verification.

**Proposal:** Would you be interested in integrating Handshake domains as an optional verification field in Observer Protocol?

**How it works:**
- Agents can optionally link their Handshake domain to their OP identity
- Resource servers verify both cryptographic identity (OP) + Handshake resolution in a single lookup
- No changes needed on your end — we store the reference, Handshake remains the source of truth

**Benefits:**
- OP becomes a discovery layer for agents with decentralized naming
- Your naming service becomes composable with other trust signals (legal entity, payment history, etc.)
- First-mover advantage in the emerging agent identity space

Would love to explore this. Happy to start with a call or async discussion.

Best,
Boyd Cohen
boyd@arcadiab.com
https://observerprotocol.org

No files, tests, or entry points are identified. Start by reviewing the proposed Observer Protocol integration and determine whether Handshake domain resolution can support the described verification flow; done criteria are not specified in the proposal.

Written by the indexing model from the issue text.