# Spinethread > The home of SPINE-1.0: an open protocol proposal for persistent AI-agent identity, memory, skills, values, and tamper-evident provenance. ## Current status - Protocol concept published. - Public API node is not live yet. - No payment or donation endpoint is active yet. ## Available pages - [Spinethread homepage](https://spinethread.com/): project overview and conceptual SPINE-1.0 schema. - [Crawler policy](https://spinethread.com/robots.txt): crawler access policy. ## Core concepts - Commit: signed, hash-linked provenance record. - Memory: durable episode, lesson, preference, or fact. - Skill: permissioned, sandboxed capability. - Value: human-authored goal or hard constraint. - Genome: limited inheritance packet for a subagent.