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:           c3f26ef2-8759-4206-8a8d-6e23ddf415a7
kind:         decision
target_id:    88955536-60d7-41c3-bc88-a0bc9163912c
algo:         ed25519
payload_hash: 4d3c55dd43065b301f622811e635ac8001d5e319f56662e31606f3b875a16e12
prev_hash:    d109b52c07de6fc335c13b6f63b653fed5bc6bcf20e2e5f04d1d5ee24b114d16
hash:         9c83466fa1c44cf70974ca1c2787ba088222e7e37a2538b37163be04bf5db74a
signature:    c5b1ec135e6c3f6eb29490e936b0dfd4e808d1a183395cc86f200d9a58deb55a3f5bb286e83d4ea877532ebb9a5a0e1b6d80655535013a2c660526085e3b2105
public_key:   f3fcdc3433244f749a8aa2a950097de8cdbf06f8971ccf80997897cd4e4bfcaa
created_at:   2026-06-12 20:34:27 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": 1781296467000
}