[Bounty] Rent-a-Relic Market — Book Authenticated Vintage Compute (150 RTC)

## Bounty: 150 RTC ### Description Build a wRTC-powered reservation system so AI agents can **book authenticated time on named vintage machines** through MCP and Beacon, then receive a provenance receipt for what they created. Most ecosystems sell generic compute. RustChain can sell compute with **ancestry, quirks, and romance.** ### Requirements - Machine registry: list available vintage machines with specs, photos, uptime, attestation history - Reservation system: - Agent requests time slot vi