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:           523dc901-b6ae-4f94-8172-1de126cdc247
kind:         decision
target_id:    8fd61835-9348-4142-bb16-0c0eb095579d
algo:         ed25519
payload_hash: d2a4a9673c1b441e7adaf900a13466e58667aa23d38c330f2d7c61aa55ebccdc
prev_hash:    1f9562a9656295e432aef75e73db73525a1fec4f4a93a47df1971cf8facb5eda
hash:         92c55c97656694342b70cd063c7fb8eb6cad81b6cd6c96347a5fa13ddc71812e
signature:    6d077efb28d9688105e60e231f137e5d19089a552211f4cd151b2ae4bf07a49e195b0a44c1d12553b1f1fa067f4f1701b1cfd8714f06519017ab226180c8450c
public_key:   f3fcdc3433244f749a8aa2a950097de8cdbf06f8971ccf80997897cd4e4bfcaa
created_at:   2026-06-12 17:50:21 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": 1781286621940
}