Cortex Brain
Operator console
env: local · sqlite

Forensic audit

Every decision and translation is hashed, chained, and signed with ed25519. Tamper one byte, the signature breaks.

Hash chain

Newest first — each entry’s prev_hash points to the one below.

Attestation detail

Re-derive hash + verify signature.

signature validchain intact
Attestation
id:           479f1b63-c8fb-4227-87f8-c7069d158e9c
kind:         decision
target_id:    263245bc-bf50-45a1-915d-6d0285cf998d
algo:         ed25519
payload_hash: ac5c6c875fb92a5a5484964f349f714382f8d56da20781514a8daf452b78addd
prev_hash:    b0d835ad78b536684e28397fde4623d1261d5f6c847cbedaa12a0d0e8a34bcbb
hash:         0365096c3508ee435f327dd71f1e3bac1bb5049fd4fd88830e0ea6d6ffcb2fb6
signature:    dba320b502c49517e104459bd0cfe8c5595fa823c6b4cae941bfb3012e118cbc6ac02c892daa68be6d0f2e3340deeb7ece4dd48c6aed8dcbeb83bcea6f18b605
public_key:   f3fcdc3433244f749a8aa2a950097de8cdbf06f8971ccf80997897cd4e4bfcaa
created_at:   2026-06-12 19:03:24 UTC
Signed payload
{
  "task": "walk to the couch and bring me socks",
  "robot_id": "robot_g1_demo",
  "model_used": "nvidia/gr00t-n1",
  "plan": {
    "task": "walk to the couch and bring me socks",
    "robot_id": "robot_g1_demo",
    "steps": [
      {
        "step": 1,
        "action": "walk",
        "duration_ms": 2400,
        "notes": "bipedal locomotion to within 0.8m of target"
      },
      {
        "step": 2,
        "action": "verify",
        "duration_ms": 300,
        "notes": "post-condition check via vision"
      }
    ],
    "total_duration_ms": 2700
  },
  "created_at": 1781291004727
}