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:           b522fe91-3b84-47aa-8999-757ec9981a80
kind:         decision
target_id:    680e0c6f-9766-408d-bd88-496c88fcbc13
algo:         ed25519
payload_hash: d024699c39e84eec53cdcff9abead42740682e3eece57915efb5b46c0a857762
prev_hash:    0365096c3508ee435f327dd71f1e3bac1bb5049fd4fd88830e0ea6d6ffcb2fb6
hash:         ac96529238dd126e60ac7a8de11eb7a5cfbf5bc614f23756a2eb67641c04d8ef
signature:    43dc74474470a95e05f8f78b6a04b24fb0a444fca2f5fd4dfb7faa52bb400dc31d733aa153428a67a6b5393eb18b8272c9722783da4d7efde2749244a3e16b0d
public_key:   f3fcdc3433244f749a8aa2a950097de8cdbf06f8971ccf80997897cd4e4bfcaa
created_at:   2026-06-12 19:03:48 UTC
Signed payload
{
  "task": "Walk to the couch, fold the clothes, and bring me a pair of socks.",
  "robot_id": "robot_g1_demo",
  "model_used": "nvidia/gr00t-n1",
  "plan": {
    "task": "Walk to the couch, fold the clothes, and bring me a pair of 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": 1781291028525
}